SEA - SFO

C$ 94 Find Cheap Flights from Seattle to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to San Francisco departing on 26/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San Francisco, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 174
Overall average: C$ 329
Delta
Wed 22/4Wed 29/4
SEA - SFO • 1 stop
Cheapest direct flights
C$ 179
Typical prices: C$ 218-C$ 412
United Airlines
Mon 18/5Wed 20/5
SEA - SFO • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Alaska's Premium Class offers priority boarding perks.
Use SEA Spot Saver for faster security at Seattle.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from C$ 174 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Alaska Airlines, Delta, and United Airlines. Average duration is 2h 19m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 54% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Seattle to San Francisco (SEA-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to San Francisco

Wed, 22 Apr - Wed, 29 Apr
Delta Logo
7:35 a.m. - 3:21 p.m.
SEA
-
SFO
7h 46m
1 stop
Delta Logo
5:59 a.m. - 8:19 a.m.
SFO
-
SEA
2h 20mdirect
C$ 174Delta
Mon, 18 May - Wed, 20 May
United Airlines Logo
8:38 a.m. - 10:57 a.m.
SEA
-
SFO
2h 19mdirect
United Airlines Logo
10:35 p.m. - 1:12 a.m.
SFO
-
SEA
2h 37mdirect
C$ 179United Airlines
Tue, 12 May - Tue, 12 May
Alaska Airlines Logo
8:31 a.m. - 10:56 a.m.
SEA
-
SFO
2h 25mdirect
Alaska Airlines Logo
2:00 p.m. - 4:17 p.m.
SFO
-
SEA
2h 17mdirect
C$ 181Alaska Airlines
Sat, 16 May - Wed, 20 May
United Airlines Logo
7:36 p.m. - 9:49 p.m.
SEA
-
SFO
2h 13mdirect
United Airlines Logo
10:35 p.m. - 1:12 a.m.
SFO
-
SEA
2h 37mdirect
C$ 183United Airlines
Tue, 5 May - Wed, 6 May
Delta Logo
7:00 a.m. - 9:22 a.m.
SEA
-
SFO
2h 22mdirect
Delta Logo
8:00 p.m. - 10:20 p.m.
SFO
-
SEA
2h 20mdirect
C$ 186Delta
Fri, 1 May - Fri, 1 May
United Airlines Logo
7:08 a.m. - 9:26 a.m.
SEA
-
SFO
2h 18mdirect
United Airlines Logo
10:35 p.m. - 1:12 a.m.
SFO
-
SEA
2h 37mdirect
C$ 188United Airlines
Mon, 20 Apr - Thu, 23 Apr
United Airlines Logo
8:42 a.m. - 11:01 a.m.
SEA
-
SFO
2h 19mdirect
United Airlines Logo
8:15 a.m. - 10:39 a.m.
SFO
-
SEA
2h 24mdirect
C$ 190United Airlines
Tue, 12 May - Tue, 12 May
Alaska Airlines Logo
8:31 a.m. - 10:56 a.m.
SEA
-
SFO
2h 25mdirect
Alaska Airlines Logo
1:45 p.m. - 7:53 p.m.
SFO
-
SEA
6h 08m
1 stop
C$ 193Alaska Airlines
Thu, 23 Apr - Mon, 27 Apr
Delta Logo
5:59 p.m. - 11:10 p.m.
SEA
-
SFO
5h 11m
1 stop
Delta Logo
5:59 a.m. - 8:19 a.m.
SFO
-
SEA
2h 20mdirect
C$ 200Delta
Thu, 23 Apr - Mon, 27 Apr
Delta Logo
7:35 a.m. - 3:21 p.m.
SEA
-
SFO
7h 46m
1 stop
Delta Logo
5:59 a.m. - 8:19 a.m.
SFO
-
SEA
2h 20mdirect
C$ 201Delta
Booking Insights

KAYAK's insights & trends for Seattle to San Francisco flights

Get data-powered insights and trends into flights from Seattle to San Francisco to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to San Francisco?

The average price of all round-trip flights from Seattle to San Francisco clicked on KAYAK for each day over the last 12 months.

For Seattle to San Francisco, Friday is the cheapest day to fly on average and Monday is the most expensive. Flying from San Francisco back to Seattle, the best deals are generally found on Friday, with Wednesday being the most expensive.

What is the cheapest month to fly from Seattle to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to San Francisco is January, where tickets cost C$ 256 (return) on average. On the other hand, the most expensive months are March and February, where the average cost of round-trip tickets is C$ 393 and C$ 379 respectively.

Can I save money by flying with a layover from Seattle to San Francisco?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 287 on average.

How far in advance should I book a flight from Seattle to San Francisco?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to San Francisco, you should book around 4 weeks before departure, which saves you about 54% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Expert advice

Expert advice for your flight from Seattle to San Francisco

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low seasonJanuary
Cheapest flightC$ 81
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly and prices are also 2% lower on average.
Flight from Seattle to San Francisco

When to book flights from Seattle to San Francisco

Are your dates flexible? Find out the best times to travel from Seattle to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to San Francisco

  • What facilities are available for business travelers at San Francisco International Airport?

    While there is no designated business center at San Francisco International Airport, there are plenty of workstations located throughout its terminals. There are also Power Bars in the Terminal 2 Food Court where travelers can plug in their laptops and continue their work while on the go.

  • Can I fly from Seattle to San Francisco non-stop?

    Due to their close proximity, many airlines offer nonstop flights from Seattle to San Francisco. Some of the airlines offering such flights include Delta Air Lines, United Airlines, and Alaska Airlines. There are also one-stop flights available through airlines like jetBlue Airways, Alaska Airlines, and American Airlines, with layovers in cities such as Long Beach, Los Angeles, and Portland.

  • What is the quickest way from San Francisco International Airport to downtown San Francisco?

    Aside from renting or driving a personal vehicle, BART (Bay Area Rapid Transport) is the quickest way to get from San Francisco International Airport to the city. Terminal 3 hosts the airport’s BART station and is easily accessed via AirTrain from the airport’s other terminals.

  • Should I fly to San Francisco International Airport, Oakland International Airport, or San José International Airport?

    Both San Francisco International Airport and Oakland International Airport are connected to BART, making them ideal for travelers who plan to take public transportation after their flights from Seattle to San Francisco. The main difference between the two is that San Francisco is on the west side of the bay while Oakland is on the east. San José International Airport, on the other hand, is not connected via BART, but there are other public transport options available. However, the main reason to fly into San José is if your final destination is outside of the Bay Area, as the airport is located a bit further outside the Bay Area’s urban sprawl.

  • What is the cheapest flight from Seattle to San Francisco?

    In the last 3 days, the lowest price for a flight from Seattle to San Francisco was C$ 81 for a one-way ticket and C$ 174 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to San Francisco?

    Alaska Airlines, Delta, Aeromexico, American Airlines, and Hawaiian Airlines offer inflight Wi-Fi service on the Seattle to San Francisco flight route.

  • Which aircraft models fly most regularly from Seattle to San Francisco?

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Seattle to San Francisco flight route.

  • Which airline alliances offer flights from Seattle to San Francisco?

    SkyTeam, and oneworld are the airline alliances operating flights between Seattle and San Francisco, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seattle to San Francisco?

    There are direct flights from Seattle to San Francisco on a daily basis.

  • Which is the best airline for flights from Seattle to San Francisco, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Seattle to San Francisco are Alaska Airlines and Delta. With an average price for the route of C$ 305 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of C$ 160 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Seattle to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to San Francisco

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 169 or less one-way and C$ 358 or less round-trip.
  • Looking to take public transport to Seattle-Tacoma International Airport so you can avoid the hassle of renting a car? Link Light Rail services connect Seattle-Tacoma International Airport directly to downtown Seattle and even to the University of Washington. The airport’s Link station is located outside the airport on the fourth floor of the adjacent parking garage.
  • Want to give the kids the chance to burn off a bit of excess energy before the flight? Stop by Seattle-Tacoma International Airport’s Playroom, located by the Seattle Tap Room in the Central Terminal by the A gates. At San Francisco International Airport there are three children’s play areas to choose from: two in Terminal 3 and one in Terminal 2.
  • Fortunately for travelers wanting to grab a bite to eat before they board their flight out of Seattle-Tacoma International Airport, there are plenty of restaurant options available - even for those with dietary restrictions. For vegetarians and vegans there is Floret, while for those who prefer meat on the menu, there is Rel’Lish Burger Lounge.
  • The Aviation Museum in San Francisco International Airport is a great family-friendly activity for those who are looking for a diversion during their time at the airport. The museum includes a library and is open from 10:30 a.m. to 4:30 p.m.
  • To reach San Francisco International Airport’s Rental Car Center, simply hop on the AirTrain Blue Line at any one of the airport’s terminals. The AirTrain runs 24 hours a day and also connects the terminals to all of the airport’s parking garages and the BART station.

Prefer to fly direct from Seattle to San Francisco?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to San Francisco.
Find which airlines fly direct from Seattle/Tacoma Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to San Francisco

Monday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

See more nonstop flights

Direct returns

San Francisco to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

See more nonstop flights

Reviews of the top 4 airlines flying from Seattle to San Francisco

 
See real verified KAYAK customer reviews for airlines flying from Seattle to San Francisco. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to San Francisco? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12059 reviews
8.1Boarding
7.8Comfort
8.5Crew
7.0Entertainment
7.0Food
Airline reviews

Departing flight for our weekend trip was cancelled due to weather which meant our return flight was useless. The whole thing was difficult to get support through but Alaska did recover and was able to reimburse us for the flights yesterday. For some reason, Kayak was not kept in the loop, adding to the confusion.

2.0 MediocreDavid, Mar 2026
SEA - STS
Read more Alaska Airlines reviews

Departing flight for our weekend trip was cancelled due to weather which meant our return flight was useless. The whole thing was difficult to get support through but Alaska did recover and was able to reimburse us for the flights yesterday. For some reason, Kayak was not kept in the loop, adding to the confusion.

i canceled my return flight package with Alaska Airlines. Customer Service was excellent and assisted me to cancelled both of our reservations and returned the payment in full. that is excellent service and understanding and empathy of the customers' needs. i like Alaska Airlines and recommend AS to everyone.

The flight attendant was friendly and attentive. Although our interaction was brief—- it made a difference. The crew was upfront about turbulence. I like the Maui pretzels.

I paid for the WiFi and it didn’t work during the whole flight

Great experience, staff and crew were very professional, friendly and helpful!

The ticket I purchased through Kayak did not show up in my Alaska Airlines app, and neither of the codes given to me worked for online check in. I've never had to show up to the airport at 6am wondering if I've been scammed. Cheap flight fare or whatever does not play well with airlines and I will be wary of using Kayak in the future.

The plane was delayed which was annoying. No seat back screens is a bummer. Staff if great

I wish you would have just canceled the Saturday flight from sea to rdd on Dec 13. the diversion cost me more time and money than if I had just rebooked to Sacramento. It was a huge headache and cost.

1. Denial of Basic Needs (SEA): Upon arrival in Seattle, the wheelchair attendant refused my urgent request to use the restroom, insisting on scanning documents first. She eventually took me to a restroom but then abandoned me and my autistic son at an unstaffed, deserted gate for over four hours. When I called the accommodation line for help, I was told to "get someone's attention," which was impossible. My son, traumatized by the prospect of me yelling for help, was forced to wander the terminal to find assistance. 2. Revocation of Accommodations & Threats: At the gate, an agent stated I had no accommodations on file, despite my previous leg having them. When I showed the app (where my bulkhead seat was erased and replaced with Row 14), he denied the evidence. When I attempted to advocate for my immobilized leg, he threatened to "yank me from the flight" if I said one more word. He coerced me into agreeing that I was "asking for accommodations for the first time" before he would allow assistance, effectively forcing me to falsify the situation under duress. I complied only out of fear of being stranded in a strange city. 3. On-Board Negligence and Injury: Because my bulkhead seat was revoked, I was forced into Row 14. With my leg immobilized and unable to bend, it extended into the aisle. During boarding and the flight: 16 different passengers tripped over my injured leg. 6 rolled luggage bags were pulled over my injured leg. The Flight Attendant (FA) was one of the people who tripped and drove luggage over me. I reported the issue to the FA after 10 trips and 3 luggage impacts. He ignored me. He only addressed me later to ask me to move my immobilized leg for beverage service. I informed him again: "16 people have tripped, 6 luggage runovers, I cannot bend it." He provided no medical aid and no incident report. 4. Resolution and Trauma: Eventually, a different employee noticed my distress and my original paper boarding pass showing the correct bulkhead assignment. He asked me to move up. I broke down in tears, terrified that moving would cause the gate agent to remove me from the plane as threatened. We were eventually moved to the bulkhead, but the damage was done. My autistic son was traumatized by watching his mother be trampled and threatened. 5. Post-Flight: I called to report these injuries, but was disconnected after a 45-minute hold. I require a formal record of this injury and these violations.

We flew economy, it was what I expected. The seats are too upright for me

Could not get my connecting flight boarding pass until four hrs before departure! Ver annoying especially since the staff could not explain why!

Left a few minutes early. Got in 15 minutes early. Very attentive service on board. Very organized boarding.

There’s not much to say about a one hour flight. This is a connection from LA to RNO that I missed the previous night due to a mechanical check delay on my originating flight from JFK to LAX. The short flight itself was fine. Instructions from the pilot and crew were per usual. The coffee was barely lukewarm, which possibly was purposeful so we would down it quickly. Bags were already on carousel upon reaching baggage claim, which was excellent.

First flight out and was 85 minutes delayed. Notification came out way too late

Delta continues to set the benchmark for traveler-friendly service with minimal disruption and clear communication within the mainland US (coast to coast). I am consistently pleased to be a Delta customer, and this experience once again met my expectations. There was a brief delay departing from MIA due to a technical issue that required the aircraft to return to the gate. However, the situation was handled professionally and transparently. Fortunately, my planned layover allowed ample buffer time, so the adjustment caused no stress. Overall, another smooth and reassuring experience.

Awful - both legs. The check in was awful, getting on the plane required walking down a spiral staircase (dangerous), then taking a bus about 5 miles out from the terminal. The seat was broken (I was in business), there was no internet during the flight (both legs). The aircraft was very old. I saw rust in some place, tape holding things up in the bathroom. This was an unacceptable experience for such a long haul flight.

Awesome! On time flight, early arrival, and a complimentary upgrade!

Was forced to check in my small carry on, even though I informed the crew it has very fragile items inside

First class and monitors weren’t working for mine & my husbands. Eventually fixed, but quite annoyed as we bought first class. Also, No foot rests.

It was delayed but other than that it was great.

There was no wifi available at any price -- the plane did not have wifi equipment. Movie choices were blah - hits from the past; nothing recent. The food was blah airplane food. They should have had Mai Tai drinks available as per the Hawaiian Airlines magazine, but they had none onboard.

I like that if they asked you to checked in a bag at the gate they give you priority to board

The crew at Hawaiian Airlines was fantastic. Kind and hard working. The pilots were great with giving us all the updates to make sure we were informed.

I liked the Starlink WiFi but didn't like how they said they were the only airline to offer a free meal and it turns out to be just a standalone sandwich and then charge for snacks to go with it. Rather have the free snacks like Southwest, but have the option to purchase a decent meal for a 5+ hour flight.

Flight scheduled to take off at 5.55pm but it did not take off until 7pm due to some food delivery delay.

The crew was quite good, they came by often with drinks or to collect trash. But what wasn't nice was the flight was over weigh and several people had to be rebooked. I was questioned whether I should have a seat when I was getting to it. The in-flight entertainment kept buffering and interrupting. And the route took the airplane through high winds which caused us a longer flight

Wasn’t on the flight due to Alaska cancellation…also after all the rerouting, I was going to be on a later flight that left SFO at 7:47pm, which meant an almost 6 hour layover. That same Hawaiian flight was delayed for another 2hours.

Flight was smooth and comfortable. We were able to check a bag at counter due to full flight and boarded with an earlier group. We were there very early and didn’t hear the gate change just noticed our flight was no longer displayed st the gate. There were two other flights with gate shuffles - may be unavoidable but not desirable. First time I had to print my own luggage tag and attach at arrival. Not a fan of that process.

I received an email from Kayak with confirmation number for Hawaiian and another for Alaska. I received emails from Kayak for both my outbound and return flight to say "time to check in." Despite trying each number (Hawaiian and Alaska), I could not check in for outbound or return. It was then confusing at the airport - I hda "no place to go" to figure out how to check in. All the kiosks are marked "scan bag,etc." I wandered around with no agent to talk to. That was a bit stressful. Either Kayak, or airline, needed better communication on what to expect and to do.

I wasn’t able to check in early and I wasn’t able to get an aisle seat without paying $120.

My flight was originally from SAT to MCO connecting from MCO to ORD. We got diverted to ATL and than Frontier staff there was sooo un helpful first they said they couldn’t give us any accommodation since our flight first got delayed that cancelled and now it’s 221am and I am still in ATL since they said they need to create a new flight my final destination is ORD and I have been delayed twice and cancelled. With no real help the frontier app didn’t work no email updates over all such a horrible experience

Our flight was canceled. I will never use Kayak nor Frontier for travel again. The entire experience was a headache.

Terrible. The canceled my entire flight when I requested a refund for a trip frontier canceled trip one way.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

i was unable to check in the flight. refund requested

I think Frontier was very good at communication. Their app worked very well. Loading was great and the flight was nice and easy.

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Decent clean onboard experience. Okay discount airline experience. Unfortunately, any customer service interactions are difficult and unhelpful. There is no service. Also, a premium seat only gets you premium boarding if you line up first. Once they start general boarding you must go to the back of the line. Not very premium

Everything you need to know for your flight from Seattle to San Francisco

Information on your arrival and departure airports