BUF - SFO

C$ 236 Find Cheap Flights from Buffalo to San Francisco – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to San Francisco departing on 19/8. 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

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 275
Typical prices: C$ 389-C$ 609
Southwest
Thu 27/8Mon 31/8
BUF - SFO • 1 stop
Cheapest one-way flights
C$ 236
Typical prices: C$ 251-C$ 539
Southwest
Wed 19/8
BUF - SFO • 2 stops
Top airlines
Cheapest • from C$ 275 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
Not available
There are currently no direct flights between Buffalo and San Francisco. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg C$ 415 (round-trip)
Shortest trip • 7h 10m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
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
Booking Insights
Flight Deals

Cheap Flights from Buffalo to San Francisco (BUF-SFO)

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

Thu, 27 Aug - Mon, 31 Aug
Southwest Logo
5:40 a.m. - 1:00 p.m.
BUF
-
SFO
10h 20m
1 stop
Southwest Logo
11:40 p.m. - 11:20 a.m.
SFO
-
BUF
8h 40m
1 stop
C$ 275Southwest
Thu, 27 Aug - Mon, 31 Aug
Southwest Logo
11:25 a.m. - 6:30 p.m.
BUF
-
SFO
10h 05m
2 stops
Southwest Logo
11:40 p.m. - 11:20 a.m.
SFO
-
BUF
8h 40m
1 stop
C$ 282Southwest
Wed, 21 Oct - Tue, 27 Oct
Southwest Logo
4:25 p.m. - 11:35 p.m.
BUF
-
SFO
10h 10m
2 stops
Southwest Logo
5:55 a.m. - 6:20 p.m.
SFO
-
BUF
9h 25m
2 stops
C$ 289Southwest
Mon, 31 Aug - Wed, 2 Sep
Southwest Logo
5:40 a.m. - 1:00 p.m.
BUF
-
SFO
10h 20m
1 stop
Southwest Logo
7:40 a.m. - 9:05 p.m.
SFO
-
BUF
10h 25m
2 stops
C$ 314Southwest
Sat, 24 Oct - Tue, 27 Oct
Southwest Logo
12:30 p.m. - 9:10 p.m.
BUF
-
SFO
11h 40m
2 stops
Southwest Logo
5:55 a.m. - 6:20 p.m.
SFO
-
BUF
9h 25m
2 stops
C$ 321Southwest
Wed, 21 Oct - Tue, 27 Oct
Southwest Logo
9:40 a.m. - 2:35 p.m.
BUF
-
SFO
7h 55m
1 stop
Southwest Logo
5:55 a.m. - 6:20 p.m.
SFO
-
BUF
9h 25m
2 stops
C$ 347Southwest
Wed, 21 Oct - Tue, 27 Oct
Southwest Logo
4:25 p.m. - 11:35 p.m.
BUF
-
SFO
10h 10m
2 stops
Southwest Logo
5:55 a.m. - 6:20 p.m.
SFO
-
BUF
9h 25m
2 stops
C$ 354Southwest
Mon, 31 Aug - Wed, 2 Sep
Frontier Logo
11:36 a.m. - 7:03 p.m.
BUF
-
SFO
10h 27m
1 stop
Frontier Logo
10:35 p.m. - 10:29 a.m.
SFO
-
BUF
8h 54m
1 stop
C$ 360Frontier
Tue, 3 Nov - Thu, 12 Nov
Delta Logo
4:09 p.m. - 10:51 p.m.
BUF
-
SFO
9h 42m
1 stop
Delta Logo
2:25 p.m. - 11:59 p.m.
SFO
-
BUF
6h 34m
1 stop
C$ 364Delta
Tue, 20 Oct - Sat, 24 Oct
JetBlue Logo
6:00 a.m. - 1:10 p.m.
BUF
-
SFO
10h 10m
1 stop
JetBlue Logo
8:45 p.m. - 8:27 a.m.
SFO
-
BUF
8h 42m
1 stop
C$ 367JetBlue
Booking Insights

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

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

How much is a round-trip flight from Buffalo to San Francisco?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Buffalo to San Francisco departing in August.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Buffalo 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 Buffalo to San Francisco is January, where tickets cost C$ 371 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is C$ 671 and C$ 597 respectively.

How far in advance should I book a flight from Buffalo 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 Buffalo 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 Buffalo to San Francisco, you should book around 3 weeks before departure, which saves you about 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonApril
Cheapest flightC$ 236
Best time to beat the crowds (2% less expensive on average)
Flight from Buffalo to San Francisco

When to book flights from Buffalo to San Francisco

Are your dates flexible? Find out the best times to travel from Buffalo 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 Buffalo to San Francisco

  • Does BUF have a pet relief area?

    BUF has a pet relief area on the lower level of the main terminal next to the terminal exit. It should be noted that pets are only permitted inside the airport's grounds if they are contained in approved animal crates.

  • Where is the USO military lounge located in SFO?

    The USO military lounge is located on the mezzanine level of Terminal 1. It features comfortable seats, clean restrooms, a snack bar, and complimentary magazines. The lounge is only open to serving members of the US military and their families. It is accessible via the elevators behind the Delta Airlines ticket counter.

  • How can I get assisted travel services on my flight from BUF to SFO?

    All the airlines that offer flights from BUF to SFO offer disabled travelers assisted travel services. If you’re one such traveler, you can get the assisted travel services you require if you inform the airline you intend to travel with in advance. Ideally, you should inform the airline when booking your flight ticket or at least 24 hours prior to your flight.

  • Can I breastfeed at SFO?

    Traveling mothers who wish to breastfeed or tend to their babies at SFO can do so with ease, given that this airport features numerous private and comfortable nursing rooms. These nursing rooms can be found in all terminals near the family restrooms. Mothers are urged to look for the nursery and family restroom signs and use the black courtesy phones next to the entrance to request access.

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

    In the last 5 days, the lowest price for a flight from Buffalo to San Francisco was C$ 236 for a one-way ticket and C$ 275 for a round-trip.

  • Which airports will I be using when flying from Buffalo to San Francisco?

    Buffalo airport is called Buffalo and the only airport in San Francisco is San Francisco.

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

    We unfortunately don’t have that data for this specific route.

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

    oneworld is the only airline alliance operating flights between Buffalo and San Francisco.

  • Which is the best airline for flights from Buffalo to San Francisco, Southwest or American Airlines?

    The two airlines most popular with KAYAK users for flights from Buffalo to San Francisco are Southwest and American Airlines. With an average price for the route of C$ 451 and an overall rating of 8.0, Southwest is the most popular choice. American Airlines is also a great choice for the route, with an average price of C$ 371 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Buffalo 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 Buffalo to San Francisco.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Buffalo 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 Buffalo 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 Buffalo with another airline.

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

  • Buffalo Niagara International Airport (BUF) is the primary airport serving Buffalo. It is located in Cheektowaga, 11 miles east of downtown Buffalo. San Francisco International Airport (SFO) is the primary aviation gateway into San Francisco. It is located in San Mateo, 13 miles south of downtown San Francisco. It serves as a hub for United Airlines, Alaska Airlines, and SkyWest Airlines.
  • Take advantage of BUF's elite Club Lounge if you need a quiet place to relax before your flight. The lounge is located in the main Terminal between Gate 6 and Gate 9 and can be accessed by paying an entrance fee at the door.
  • In case you are traveling with children, take them to the children's play area at BUF. The Fisher-Price branded children's play area is located in the main terminal directly across from Gate 19. It features modern children's play equipment, including toys and slides, and an adult seating area with power outlets.
  • Travelers Aid, a non-profit organization, has teamed up with SFO to help passengers who are in distress or stranded at the airport. Volunteers from the organization assist travelers in emergencies, such as finding emergency accommodation or transportation. They have offices in Terminal 1 opposite Door 6 and Terminal 3 opposite Yankee Pier Restaurant.
  • If you arrive at SFO feeling stressed or anxious, look for the Wag Brigade. The Wag Brigade is a group of trained therapy dogs that roam the airport comforting passengers. You are welcome to cuddle and pet these animals as they will reciprocate the affection.

Reviews of the top 3 airlines flying from Buffalo to San Francisco

 
See real verified KAYAK customer reviews for airlines flying from Buffalo 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 Buffalo 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.
8.0
SouthwestOverall score based on 4249 reviews
8.1Boarding
7.5Entertainment
7.0Food
8.6Crew
8.0Comfort
Airline reviews

The flight was late. The crew was rude. There was no food. Cramped and uncomfortable. Nothing about this flight was good.

2.0 MediocreIrene, Jun 2026
DEN - SFO
Read more Southwest reviews

The flight was late. The crew was rude. There was no food. Cramped and uncomfortable. Nothing about this flight was good.

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Plane was clean and comfortable. Flight attendants and gate staff were professional, friendly and efficient. Boarding and deplaning were orderly and efficient. All in all, the typical excellent Southwest experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

Airline travel is always too cramped to really be pleasant, but the cabin crew on this flight did a pretty good job of making up for it by putting on some music during boarding and sprinkling a few funny remarks into the safety briefing and announcements, and just generally being friendly and helpful. It definitely reminded me of why I prefer the in-flight experience on Southwest!

It went well. Plane wasn't full. Will be great when assigned seating is in place

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a not a great airport.

Can not wait for seating change to reduce the amount of pre boards - it’s disheartening the abuse. And then then deplaning

Flight was delayed more than 2 hour do the scheduling issues and then some confusing weight and balance matters, followed by a miscommunication with the tower on which runway was going to be used based on the airplane weight. All these things should have been figured out in advance. Instead of arriving at 12:30 a.m. we arrived at 2:30 a.m. very difficult to find a taxi or other transport at SFO. Luggage was delayed. An extension of an unpleasant flight day

The crew was fabulous, outstanding, friendly, attentive and just great, really made my flight one of the best I've ever had, thank you southwest crew flight #474, from Los Angeles to San Francisco on April 2,2024

The flight attendant was very polite and attentive. The food was good.

Was put into a seat right behind the toilet that had no entertainment possible but did have plenty of leg room over noisy part of plane.

Flight: Started on time. Comfortable flight. Arrived on time. Crew: Very cordial and helpful. Drinks and snack was served with a smile. Overall enjoyed the trip. Regards, Hari Doss Chanchala Doss

A first class seat should fit a fat person, and this doesn't. The trays in the armrest are less functional than an ordinary tray in the back of the seat.

Great. Quick and quiet and east. The breakfast choices were a welcome surprise!

This was a horrible experience. For a first class experience, my chair was held together by 3M tape - and I have a photo. The crew weren’t very attentive, somewhat dismissive and forgot my drink and snack, the chair reclined about 3 inches on a 6-hour cross country flight. I was also not informed that there was no lounge available in Newark airport because of renovations, so all around this was one of the worst experiences and I would actively avoid both American and Alaska Air going forward.

Long 5 hour and 45 min flight and only one drink service and cookie snack

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

This flight didn’t happen because AA agents didn’t let us board the flight

Nothing really nondescript, the flight attendants were friendly and helpful.

Charges unexpected. For seat that didnt recline. Please reverse extra seat and carryon charge. Bad business that is a bait and switch.

I couldn’t check in because the app didn’t work. It took 3 Frontier employees at the counter to get me checked in. Flight left 3 hours after departure time

Horrible! The short distance flight ended up taking 5 hrs! There was a 3 hr delay for the flight to take off and there was a 70 min wait on the tarmac for some bogus reason that the pilot said the gate he was supposed to board was taken up. After a 30 min wait he said the plane that was supposed to push out of the gate called a medical emergency and 40 min later he ended up boarding another gate. For the initial 3 hr delay there was no information/alert about the gate or delay in the app or the boards up until the boarding time and even beyond! Had to walk all the way to the end of the terminal to find the frontier staff to ask what was going on. Avoid this airline at all costs! If you have carryon bags or checked bags , their prices come equivalent to the prices of more reliable airlines. They are the worst in timeliness at 60% (reported as delayed) this year (check the data) by a high margin even compared to the second worst airline. If you are ok with having a miserable flight experience with the odds close to flip of a coin, feel free to try them. If you value your time , money and flying experience, stay away.

Our flight was delayed by four hours without notice, the app for getting my boarding pass is super confusing, and I wasn’t able to check a suitcase without paying for a higher cost package

First the gate was a total nightmare-no chairs anywhere! So over crowded and only one bathroom and nightmare of food service - took forever and NOT one place to sit. No inflight entertainment and had to pay 60.00 for a small carry on. I will never fly Frontier again!

Flight was 3 hours late leaving. Poor communication from the staff about delays. Impossible to get in touch with customer service (by design). And it actually didn't come out to be much cheaper than a non-budget airline! Not worth the headache, I'm never flying Frontier again

See my previous comment which is mostly about our flight from Phoenix to SFO

The check in at the airport was awful. Told I need to pay for a bag. The item was taken at screening. I went back to get my $ back and they gave me a coupon with a QR code that doesn’t work. Worst costumer service ever!!!!!

4 hour delay because they used our aircraft to fly a different segment (per the captain)

absolutely horrific. delayed flights, overbooking. over charging. nightmare service beyond words. stay away.

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

Information on your arrival and departure airports