PHX - SEA

Find cheap flights from Phoenix to Seattle

1 adult
1 adult, Economy

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Phoenix to Seattle, 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 Phoenix to Seattle, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Phoenix to Seattle (PHX-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Phoenix to Seattle 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 Phoenix to Seattle

American Airlines Logo
PHX-SEA
3h 11mdirect
American Airlines Logo
SEA-PHX
2h 57mdirect
American Airlines
Find Deal
Condor Logo
PHX-SEA
3h 00mdirect
Condor Logo
SEA-PHX
2h 52mdirect
Condor
Find Deal
KLM Logo
PHX-SEA
3h 20mdirect
KLM Logo
SEA-PHX
2h 58mdirect
Qatar Airways Logo
PHX-SEA
3h 14mdirect
Qatar Airways Logo
SEA-PHX
3h 00mdirect
Qatar Airways
Find Deal
Icelandair Logo
PHX-SEA
3h 15mdirect
Icelandair Logo
SEA-PHX
2h 54mdirect
Icelandair
Find Deal
Air France Logo
PHX-SEA
3h 17mdirect
Air France Logo
SEA-PHX
3h 00mdirect
Air France
Find Deal
Delta Logo
PHX-SEA
3h 06mdirect
Delta Logo
SEA-PHX
2h 56mdirect
STARLUX Airlines Logo
PHX-SEA
3h 07mdirect
STARLUX Airlines Logo
SEA-PHX
2h 56mdirect
STARLUX Airlines
Find Deal
Alaska Airlines Logo
PHX-SEA
3h 14mdirect
Alaska Airlines Logo
SEA-PHX
2h 56mdirect
Alaska Airlines
Find Deal
Frontier Logo
PHX-SEA
3h 18mdirect
Frontier Logo
SEA-PHX
3h 04mdirect
Frontier
Find Deal
Southwest Logo
PHX-SEA
3h 05mdirect
Southwest Logo
SEA-PHX
2h 50mdirect
Southwest
Find Deal
Finnair Logo
PHX-SEA
3h 07mdirect
Finnair Logo
SEA-PHX
3h 04mdirect
Finnair
Find Deal
Hawaiian Airlines Logo
PHX-SEA
3h 14mdirect
Hawaiian Airlines Logo
SEA-PHX
2h 56mdirect
Hawaiian Airlines
Find Deal
Korean Air Logo
PHX-SEA
3h 06mdirect
Korean Air Logo
SEA-PHX
2h 55mdirect
Korean Air
Find Deal
Air Tahiti Nui Logo
PHX-SEA
3h 14mdirect
Air Tahiti Nui Logo
SEA-PHX
3h 00mdirect
Air Tahiti Nui
Find Deal
WestJet Logo
PHX-SEA
3h 06mdirect
WestJet Logo
SEA-PHX
2h 58mdirect
WestJet
Find Deal
Virgin Atlantic Logo
PHX-SEA
3h 17mdirect
Virgin Atlantic Logo
SEA-PHX
2h 56mdirect
Virgin Atlantic
Find Deal
Singapore Airlines Logo
PHX-SEA
3h 15mdirect
Singapore Airlines Logo
SEA-PHX
2h 56mdirect
Singapore Airlines
Find Deal
Expert advice

Expert advice for your flight from Phoenix to Seattle

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Delta

Delta offers free Wi-Fi for SkyMiles members on domestic flights, enhancing onboard connectivity.


Delta's Sky Priority check-in speeds up the process for premium cabin and elite status passengers.

Read more about Deltaby Stefanie Waldek
Alaska Airlines

Alaska Airlines' 20-minute baggage guarantee offers compensation if bags are delayed.


Alaska Airlines' Wine Flies Free program allows free wine check-in from select airports.

Frontier

Frontier's Premium Bundle includes priority boarding and extra legroom, ideal for added comfort.


Avoid Airport Agent Assistance fees by checking in online or via the Frontier app.

Read more about Frontierby Stefanie Waldek
Airports
PHX

Use the Sky Train for free, easy access to PHX from downtown Phoenix, with stops at Terminals 3 and 4.

Read more about PHXby Laura Ratliff
SEA

Opt for the Link light rail to reach downtown Seattle from SEA in about 40 minutes, avoiding high ride-hailing fares.

Read more about SEAby Harriet Baskas
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta and Frontier

Stefanie Waldek

Stefanie Waldek

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.

Read more
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet Baskas

Harriet Baskas

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.

Read more
Laura Ratliff

Laura Ratliff

Expert on PHX

Laura Ratliff

Laura Ratliff

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Read more
Useful Info

KAYAK's insights & trends for Phoenix to Seattle flights

Get data-powered insights and trends into flights from Phoenix to Seattle 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 Phoenix to Seattle?

The average price of all round-trip flights from Phoenix Sky Harbor Intl Airport to Seattle clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Seattle on a Saturday and more expensive on a Sunday. On your return trip to Phoenix, you should consider flying back on a Tuesday, and avoid Wednesdays for better deals.

What is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Phoenix Sky Harbor Intl Airport to Seattle, 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 Phoenix Sky Harbor Intl Airport to Seattle is January, where tickets cost C$ 200 (return) on average. On the other hand, the most expensive months are March and April, where the average cost of round-trip tickets is C$ 290 and C$ 290 respectively.

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Phoenix Sky Harbor Intl Airport to Seattle, 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 Phoenix Sky Harbor Intl Airport to Seattle, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.


Good to know

Low seasonFebruary
High seasonJuly
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (10% more expensive on average)

When to book flights from Phoenix to Seattle

Are your dates flexible? Find out the best times to travel from Phoenix to Seattle 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.

Flights from Phoenix to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Phoenix to Seattle 
SydneyFlew with Alaska AirlinesPHX-SEAOct 2024
May need to catch the underground train between gate locations in SEATAC, prepare yourself accordingly
GlennFlew with Alaska AirlinesPHX-SEAJul 2024
Be prepared for the disorientation of SeaTac as the entire terminal appears to be under construction. It’s unnerving.

FAQs for booking Phoenix to Seattle flights

  • Where are the ATMs located at Sky Harbor Phoenix Airport?

    There are a few ATM locations at the PHX Airport. The ATM service is offered by the Bank of America and can be found both at pre-security and post-security of both Terminals 3 and 4. At Terminal 3 they are located near Level I Baggage Claim and Near Gate F5 while in Terminal 4 they can be found at Levels 1, 2, and 3 and near gates A1, B1, C1, and D1.

  • Are there hotels near Seattle airport?

    Yes, there are budget and luxury hotels close to the Seattle airport. Some of the hotels include Best Western airport which is approximately 2.5 miles from the airport, and Country Inn which is about 1.5 miles from the airport just to mention a few.

  • I have lost my luggage at the Seattle airport. Where can I report this?

    Seattle airport has lost and found services at the baggage claim level. You must file a lost and found claim online. You will need to give your contact information, location, and item description.

  • Is Sky Harbor Phoenix Airport Accessible?

    Accessibility features are available at Phoenix airport. Wheelchairs are available in the airport to aid the physically disabled to maneuver with ease. If you need to carry along your wheelchair during your travel, you can communicate with your airline. You can make reservations if you need to travel with your oxygen tank. Hearing devices are also available at the airport. Accessible restrooms with professional caregivers are also available and you will only need to seek directions from the information desk.

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

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

  • Which aircraft models fly most regularly from Phoenix to Seattle?

    The Boeing 737-900 Passenger/BBJ3 (winglets) is the aircraft model that flies most regularly on the Phoenix to Seattle flight route.

  • Which airline alliances offer flights from Phoenix to Seattle?

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

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

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

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

    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 Phoenix to Seattle.

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

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

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

    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 Seattle with an airline and back to Phoenix with another airline.

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

    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 Seattle from Phoenix 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 Phoenix Sky Harbor Intl Airport to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 148 or less one-way.
  • You will be departing from Sky Harbor Phoenix International Airport (PHX) when flying to Seattle from Phoenix, Arizona. The Sky Harbor airport is situated approximately 3 miles east of downtown Phoenix. The airport is ranked as one of the busiest commercial Arizona airports and serves as a base for Southwest Airlines and a hub for American Airlines both of which fly to Seattle.
  • Seattle Tacoma International Airport (SEA) has approximately 100 gates which are strategically located on the airport satellite buildings. Transport to downtown Seattle is available via Line 1 service. One-way fare for adults is about $2.50.
  • The Sky Harbor airport is pet-friendly. This airport has approximately seven reserved areas where pets can stretch, play, relieve themselves, and where you can clean them. Some of the pet areas include The Paw Pad located in terminal 3; Bone Yard located on terminal 4 immediately after the baggage department; and Park and Bark which is at the Economy parking lot.
  • The Sky Harbor has different parking options including terminal 3 parking, West economy parking, East economy, and valet parking. You will part with approximately $34 as a parking fee for valet parking while you will part with approximately $4 per day for all other types of parking. Special parking spaces are also available and they are free of charge.
  • For nursing mothers, Sky Harbor Airport (PHX) offers nursing stations that are located at Terminals 3 and 4. Each room features a sink, baby changing station, soap and paper towel dispensers, electric outlets, and comfortable seating. In addition to the nursing rooms, the airport offers Mamava nursing pods located near Gate 22 and at Checkpoint D after security.

Prefer to fly direct from Phoenix to Seattle?

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

Direct departures

Phoenix Sky Harbor Intl to Seattle/Tacoma Intl

Monday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Tuesday

Air France,Air Tahiti Nui,Alaska Airlines, +12 more

Air France,Air Tahiti Nui, +13 more

Wednesday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Thursday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Friday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Saturday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Sunday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

See more nonstop flights

Direct returns

Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Monday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Tuesday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Wednesday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Thursday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Friday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Saturday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

Sunday

Air France,Air Tahiti Nui,Alaska Airlines, +15 more

Air France,Air Tahiti Nui, +16 more

See more nonstop flights

Reviews of the top airlines flying from Phoenix to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Phoenix to Seattle. 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 Phoenix to Seattle? 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.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.8Comfort
8.1Boarding
7.1Entertainment
8.5Crew
7.1Food
Airline reviews

We were delayed. We spent more time waiting on the plane than actually flying (it’s only a 37 minute flight). Other than that, it was fine.

8.0 ExcellentAnonymous, Jun 2025MSY - SEA
Read more Alaska Airlines reviews

We were delayed. We spent more time waiting on the plane than actually flying (it’s only a 37 minute flight). Other than that, it was fine.

Only offered water, no snacks provided, and it was cold on the plane, everyone was wearing sweatshirt or jacket in June. I asked for blanket, but crew said they didnt have anything and would turn the heat up, that didn't happen, so for 6 hours I remained cold.

Flight from New Orleans to Seattle to Anchorage was delayed for 3 hours My flight from Seattle to Anchorage was not rescheduled. I had to call the airlines to tell them to get a flight from Seattle to Anchorage they finally got me a flight If I hadn’t been aware of this problem I don’t know how long I would of waited in Seattle to get a flight to Anchorage!!!!!! Return trip from Anchorage to New Orleans in Seattle to New Orleans I was at the right gate when I realized something was wrong they had changed the gate without notifying the change l finally made it on time with minutes to spare & exhausted

I was at risk of not getting on the flight, as when I presented my boarding pass at the gate, it showed me as not having checked in. I was sent to the desk as the last of the other passengers boarded. The agent there said he could see that I had done all of my part and allowed times recommended, but it showed me as not checked in and he couldn't figure out how to correct it. He actually asked them to hold the flight as he struggled with it. He called for support, someone corrected it, and he printed boarding passes for both flights to reduce further issues. I did get on, and needed to ask someone to exit my seat.

Eddie, our flight attendant in the back was excellent. He was very kind and concerned for our happiness and comfort before and during our flight. He made the experience great. We had to deplane due to a ground delay and he made sure we had snacks and water to keep us comfortable while we waited. Overall, it was a great experience!

I liked the food. The WiFi was out and the flight was late.

Flight was delayed which caused us to have to change our connecting flight. Grilled cheese sandwich was served very hot.

I was so cold. I am so glad I brought a short sleeve shirt and a long sleeve shirt and a jacket. Also knee high socks and slippers

We were late so that was what was worst part

The Alaska app and website were not fully operational. I had to spend about 15 minutes at the counter doing things that should have been completed online. The agent was very nice and helpful, however.

Very bad! No good service delayed my second connection flight

The confirmation # CK8GNW and my name was not recognized/in Frontier system. I was able to check in on Frintier app so i went to the Frontier ticket agent, at time they told me that my name/ confirmation did not show up as a purchased ticket. I had to purchase a new ticket that cost $289.00 one way.

Flight was late. Missed connecting in Denver. My new flight is more than 24 hours later and I have no room, vouchers, or compensation, and might also be bumped from the one tomorrow.

Frontier is terrible. Paid for exit row, not given exit row, refused to refund fee.

2 hour delay due to late plane, wrong size plane causing overbooking, and people getting off and on the plane after boarding was completed.

We had to wait in line over an hour just to check our bags. It's a good thing we were so early to the airport. Only one clerk was working and the line was around the corner and down the hall. No good. I felt bad for her. Not sure how she kept her sanity with all the upset people. Then we get to our gate and there is no seating. Everyone was standing. Then I realize it is not a gate at all, we still have to be shuttled to our airplane. Ugh. Then we were late taking off and missed a window of opportunity before the airport runways were shut down for some reason. (not frontier's fault the runway shut down.) The seats on the airline are crammed and there is no cushion. Never had a tighter seating arrangement while flying. My 6' 4" husband was absolutely miserable the whole time with knees digging in to the seat in front of him. You think you are getting a good deal on a ticket, and then wham! I had to pay 75 dollars for our checked bags and 75 dollars for a carry on. No other airline does that!!! And also, there is a 40 pound weight limit on checked bags... Would have been cheaper flying with another airline, and I would have at least gotten a snack and drink. Was thankful for the tiny cup of water at least.

This was one of the first frontier airline flights this spring that wasn't delayed. It actually left on time. Some of the flight crew did not look happy, they didn't smile when the passengers were boarding or getting off the plane, and the passengers initiated greetings, not the staff. To me this was an odd experience to have with any flight/airline. I had a bad experience booking this flight. The price didn't solidify until late hours into the night. Ever time I purchased the ticket, I either received a denial email or an error because the price has changed, but it was never reflected on the flyfrontier or kayak websites until way after midnight on the date of travel. This caused me anxiety and irritation with the websites. Then I noticed a mishap with my name on my voucher as I went to check in, it was incorrect. When I proceeded to correct it, Frontier had no easy, let alone free, way to remedy it. I couldn't correct my name without a $75 charge, I couldn't cancel my voucher to repurchase it with the correct name without a $100 charge, because it was too close to departure. Then calling frontier was nearly impossible to remedy the situation with a human. It's already difficult to want to choose frontier because of all the upcharges, but you feel kinda trapped into doing so because it's the more affordable airline.

They canceled flight. Hard to believe there was even a plane incoming for us to get on

The worst. We never made our connection and they did absolutely nothing to help us at the airport.

Our flight was cancelled. They could do nothing to help us get another flight that was timely. Because the first leg was cancelled we were unable to get to our connection. We had to book on an entirely different airline for today. So we spent more money, lost a day of vacation and will never fly Frontier again, so the 'we are sorry, here is $100 credit' is a joke since we won't be flying on Frontier.

Everything you need to know for your flight from Phoenix to Seattle

Information on your arrival and departure airports

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