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Cheap flights from Buffalo to San Francisco from C$ 172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to San Francisco departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Buffalo to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:52 p.m. - 11:47 p.m.
BUF
-
SFO
6h 55m
1 stop
Delta Logo
10:45 p.m. - 8:23 a.m.
SFO
-
BUF
6h 38m
1 stop
C$ 430Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
6:12 a.m. - 3:50 p.m.
BUF
-
SFO
12h 38m
2 stops
Delta Logo
10:45 p.m. - 8:23 a.m.
SFO
-
BUF
6h 38m
1 stop
C$ 458Delta
Tue, 25 Aug - Sat, 5 Sep
United Airlines Logo
7:00 a.m. - 1:14 p.m.
BUF
-
SFO
9h 14mdirect
United Airlines Logo
11:30 p.m. - 9:49 a.m.
SFO
-
BUF
7h 19m
1 stop
C$ 459United Airlines
Sat, 26 Sep - Mon, 28 Sep
Delta Logo
6:29 a.m. - 10:29 a.m.
BUF
-
SFO
7h 00m
1 stop
Delta Logo
2:23 p.m. - 11:59 p.m.
SFO
-
BUF
6h 36m
1 stop
C$ 476Delta
Sun, 7 Jun - Fri, 12 Jun
Southwest Logo
7:10 p.m. - 12:05 a.m.
BUF
-
SFO
7h 55m
1 stop
Southwest Logo
11:05 p.m. - 12:45 p.m.
SFO
-
BUF
10h 40m
2 stops
C$ 483Southwest
Thu, 10 Sep - Wed, 16 Sep
Southwest Logo
4:10 p.m. - 10:25 p.m.
BUF
-
SFO
9h 15m
2 stops
Southwest Logo
5:15 a.m. - 9:25 p.m.
SFO
-
BUF
13h 10m
1 stop
C$ 491Southwest
Fri, 5 Jun - Tue, 9 Jun
Southwest Logo
11:00 a.m. - 5:30 p.m.
BUF
-
SFO
9h 30m
1 stop
Southwest Logo
11:00 a.m. - 12:10 a.m.
SFO
-
BUF
10h 10m
2 stops
C$ 496Southwest
Fri, 3 Jul - Thu, 9 Jul
American Airlines Logo
7:40 p.m. - 1:13 a.m.
BUF
-
SFO
8h 33m
1 stop
American Airlines Logo
11:24 a.m. - 10:51 p.m.
SFO
-
BUF
8h 27m
1 stop
C$ 503American Airlines
Tue, 30 Jun - Sat, 4 Jul
United Airlines Logo
6:04 p.m. - 11:02 p.m.
BUF
-
SFO
7h 58m
1 stop
United Airlines Logo
11:30 p.m. - 10:15 a.m.
SFO
-
BUF
7h 45m
1 stop
C$ 516United Airlines
Tue, 16 Jun - Mon, 22 Jun
Southwest Logo
7:10 p.m. - 12:05 a.m.
BUF
-
SFO
7h 55m
1 stop
Southwest Logo
5:10 a.m. - 3:55 p.m.
SFO
-
BUF
7h 45m
1 stop
C$ 520Southwest
Mon, 10 Aug - Thu, 13 Aug

American Airlines flights from Buffalo to San Francisco

Our best American Airlines deals on Buffalo to San Francisco flight tickets
American Airlines
30 Jun
BUF7:40 p.m.Buffalo
8h 33m
1 stop
SFO1:13 a.m.San Francisco
4 Jul
SFO11:24 a.m.San Francisco
8h 27m
1 stop
BUF10:51 p.m.Buffalo
C$ 503
American Airlines
25 Jun
BUF7:40 p.m.Buffalo
8h 33m
1 stop
SFO1:13 a.m.San Francisco
4 Jul
SFO8:15 a.m.San Francisco
11h 32m
2 stops
BUF10:47 p.m.Buffalo
C$ 536
American Airlines
27 May
BUF1:45 p.m.Buffalo
9h 15m
1 stop
SFO8:00 p.m.San Francisco
5 Jun
SFO5:00 a.m.San Francisco
10h 40m
1 stop
BUF6:40 p.m.Buffalo
C$ 572

Southwest flights from Buffalo to San Francisco

Our best Southwest deals on Buffalo to San Francisco flight tickets
Southwest
10 Sep
BUF7:10 p.m.Buffalo
7h 55m
1 stop
SFO12:05 a.m.San Francisco
16 Sep
SFO11:05 p.m.San Francisco
10h 40m
2 stops
BUF12:45 p.m.Buffalo
C$ 483
Southwest
5 Jun
BUF4:10 p.m.Buffalo
9h 15m
2 stops
SFO10:25 p.m.San Francisco
9 Jun
SFO5:15 a.m.San Francisco
13h 10m
1 stop
BUF9:25 p.m.Buffalo
C$ 491
Southwest
3 Jul
BUF11:00 a.m.Buffalo
9h 30m
1 stop
SFO5:30 p.m.San Francisco
9 Jul
SFO11:00 a.m.San Francisco
10h 10m
2 stops
BUF12:10 a.m.Buffalo
C$ 496

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 16 May 2026.
Use the filters below to find and compare flights from Buffalo to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 27/8

7:52 p.m.-11:47 p.m.

1 stop6h 55m

San Francisco

Mon 31/8

10:45 p.m.-8:23 a.m.

1 stop6h 38m

C$ 430

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 25/8

6:12 a.m.-3:50 p.m.

2 stops12h 38m

San Francisco

Sat 5/9

10:45 p.m.-8:23 a.m.

1 stop6h 38m

C$ 458

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 26/9

7:00 a.m.-1:14 p.m.

Nonstop9h 14m

San Francisco

Mon 28/9

11:30 p.m.-9:49 a.m.

1 stop7h 19m

C$ 459

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sun 7/6

6:29 a.m.-10:29 a.m.

1 stop7h 00m

San Francisco

Fri 12/6

2:23 p.m.-11:59 p.m.

1 stop6h 36m

C$ 476

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 10/9

7:10 p.m.-12:05 a.m.

1 stop7h 55m

San Francisco

Wed 16/9

11:05 p.m.-12:45 p.m.

2 stops10h 40m

C$ 483

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 5/6

4:10 p.m.-10:25 p.m.

2 stops9h 15m

San Francisco

Tue 9/6

5:15 a.m.-9:25 p.m.

1 stop13h 10m

C$ 491

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 3/7

11:00 a.m.-5:30 p.m.

1 stop9h 30m

San Francisco

Thu 9/7

11:00 a.m.-12:10 a.m.

2 stops10h 10m

C$ 496

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 30/6

7:40 p.m.-1:13 a.m.

1 stop8h 33m

San Francisco

Sat 4/7

11:24 a.m.-10:51 p.m.

1 stop8h 27m

C$ 503

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 16/6

6:04 p.m.-11:02 p.m.

1 stop7h 58m

San Francisco

Mon 22/6

11:30 p.m.-10:15 a.m.

1 stop7h 45m

C$ 516

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 10/8

7:10 p.m.-12:05 a.m.

1 stop7h 55m

San Francisco

Thu 13/8

5:10 a.m.-3:55 p.m.

1 stop7h 45m

C$ 520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Buffalo to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Buffalo and San Francisco?

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Buffalo is in January. Flight prices, which tend to average around C$ 360, are often lower during this time because this is during the off-season. The month of August is another great option to travel to San Francisco, with average flight prices from Buffalo averaging around C$ 426.

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

You are more likely to see cheaper flights to San Francisco from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 479 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Buffalo for as low as C$ 401 on momondo.

How have Buffalo to San Francisco flight prices changed over time?

As of May 2026, prices for Buffalo to San Francisco flights are approximately 30% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to San Francisco (BUF to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to San Francisco

Fastest flight time

7h 21m

Direct flights

Mon, Tue, Thu, Fri and Sat

Airports in San Francisco

1 airport
The fastest flight from Buffalo to San Francisco takes 7h 21m
Direct flights go from Buffalo to San Francisco on Monday, Tuesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in San Francisco. From Buffalo there are direct flights to San Francisco (SFO).
Search flight deals

Frequently asked questions about flying from Buffalo to San Francisco

  • How far is Buffalo to San Francisco by plane?

    The distance between Buffalo and San Francisco is about 3688.3 km. By plane, this route typically takes 7h 21m.

  • When did momondo last update prices for flights from Buffalo Airport to San Francisco Airport?

    Prices for flights from Buffalo Airport to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to San Francisco Airport?

  • How old do you have to be to fly from Buffalo Airport to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Buffalo to San Francisco?

Best airlines flying from Buffalo to San Francisco

Compare and see reviews for airlines that fly from Buffalo to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 153Free CancellationRating
5.6
2,949 reviews
Search Frontier flights
United AirlinesPriceFrom C$ 166Free CancellationRating
7.4
9,726 reviews
Search United Airlines flights
DeltaPriceFrom C$ 188Free CancellationRating
7.9
8,455 reviews
Search Delta flights
SouthwestPriceFrom C$ 255Free CancellationRating
8.0
4,295 reviews
Search Southwest flights
American AirlinesPriceFrom C$ 262Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights

  • United Airlines Flights From Buffalo to San Francisco

    Across 2 United Airlines flights from Buffalo to San Francisco this week, the average price was C$ 517, with the best United Airlines deals starting from C$ 166 round-trip. 9,726 users have rated United Airlines on momondo, with an average score of 7.4/10.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Mateo
Belmont
Santa Cruz
Palo Alto
San Bruno
Milpitas
Carmel-by-the-Sea
Turlock
South San Francisco
Mountain View
Burlingame
Pacific Grove
Fremont
Santa Clara
Cupertino
Pacifica
Woodland
Los Banos
Roseville
Berkeley

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to San Francisco?

It is quick and easy to find Buffalo to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

Can I find flights from Buffalo to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Buffalo to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Buffalo to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to San Francisco.

I’m not ready to book a flight from Buffalo to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco trip

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