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Cheap flights from Buffalo to San Francisco from C$ 236

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SFO
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to San Francisco
Explore the most affordable flight options available from Buffalo to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Thu 13/811:29 a.m.
BUF
-
SFO
1 stop10h 44m
Frontier
Fri 28/810:35 p.m.
SFO
-
BUF
1 stop8h 54m
Frontier
Deal found 30/6C$ 341
Tue 25/811:36 a.m.
BUF
-
SFO
1 stop10h 27m
Frontier
Sun 30/810:35 p.m.
SFO
-
BUF
1 stop8h 54m
Frontier
Deal found 28/6C$ 343
Wed 9/93:30 p.m.
BUF
-
SFO
1 stop11h 01m
JetBlue
Tue 22/98:25 p.m.
SFO
-
BUF
1 stop8h 59m
JetBlue
Deal found 29/6C$ 368
Tue 25/83:55 p.m.
BUF
-
SFO
1 stop11h 43m
JetBlue
Wed 26/86:00 a.m.
SFO
-
BUF
1 stop8h 14m
JetBlue
Deal found 30/6C$ 378
Wed 2/93:52 p.m.
BUF
-
SFO
1 stop9h 19m
JetBlue
Tue 8/911:44 p.m.
SFO
-
BUF
1 stop8h 30m
JetBlue
Deal found 26/6C$ 380
Thu 23/711:29 a.m.
BUF
-
SFO
1 stop10h 49m
Frontier
Tue 28/710:10 p.m.
SFO
-
BUF
1 stop12h 43m
Frontier
Deal found 30/6C$ 388
Wed 22/76:00 a.m.
BUF
-
SFO
1 stop8h 54m
JetBlue
Wed 5/811:26 a.m.
SFO
-
BUF
1 stop9h 17m
JetBlue
Deal found 27/6C$ 391
Wed 19/84:13 p.m.
BUF
-
SFO
1 stop10h 45m
Delta
Tue 25/810:00 p.m.
SFO
-
BUF
1 stop10h 08m
Delta
Deal found 30/6C$ 411
Tue 25/84:13 p.m.
BUF
-
SFO
1 stop10h 45m
Delta
Wed 26/82:21 p.m.
SFO
-
BUF
1 stop6h 37m
Delta
Deal found 28/6C$ 412
Fri 28/87:00 a.m.
BUF
-
SFO
1 stop9h 18m
American Airlines
Wed 2/95:05 a.m.
SFO
-
BUF
1 stop9h 57m
American Airlines
Deal found 29/6C$ 417
Sat 12/97:00 a.m.
BUF
-
SFO
1 stop9h 27m
United Airlines
Fri 25/911:30 p.m.
SFO
-
BUF
1 stop6h 59m
United Airlines
Deal found 29/6C$ 418
Thu 24/97:25 p.m.
BUF
-
SFO
1 stop7h 28m
Delta
Sun 27/910:59 p.m.
SFO
-
BUF
1 stop9h 23m
Delta
Deal found 30/6C$ 419

Find flight deals from Buffalo to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2026.

Round-trip from

C$ 341

One-way from

C$ 236

Popular in

June

Cheapest in

January

Average price

C$ 478
Frontier
  • Frontier
  • 13/8-28/8
  • 2 total stops
  • 19h 38m total
  • Buffalo to San Francisco
Search Deals
JetBlue
  • JetBlue
  • 3/9
  • 1 total stop
  • 11h 46m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 1 July 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

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 25/8

3:55 p.m.-12:38 a.m.

1 stop11h 43m

San Francisco

Wed 26/8

6:00 a.m.-5:14 p.m.

1 stop8h 14m

C$ 378

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 1/9

6:00 a.m.-1:23 p.m.

1 stop10h 23m

San Francisco

Tue 8/9

11:44 p.m.-11:14 a.m.

1 stop8h 30m

C$ 391

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 25/8

4:13 p.m.-11:58 p.m.

1 stop10h 45m

San Francisco

Wed 26/8

2:21 p.m.-11:58 p.m.

1 stop6h 37m

C$ 411

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 19/8

4:13 p.m.-11:58 p.m.

1 stop10h 45m

San Francisco

Tue 25/8

10:00 p.m.-11:08 a.m.

1 stop10h 08m

C$ 411

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 30/10

4:00 p.m.-11:09 p.m.

1 stop10h 09m

San Francisco

Sat 7/11

10:59 p.m.-11:16 a.m.

1 stop9h 17m

C$ 419

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 21/10

7:30 a.m.-1:05 p.m.

1 stop8h 35m

San Francisco

Tue 27/10

6:20 a.m.-6:20 p.m.

2 stops9h 00m

C$ 466

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 3/9

4:13 p.m.-11:58 p.m.

1 stop10h 45m

San Francisco

Fri 11/9

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

1 stop10h 12m

C$ 468

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 15/7

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Mon 20/7

9:44 p.m.-9:35 a.m.

1 stop8h 51m

C$ 479
Quickest round-trip

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 30/10

8:05 a.m.-2:25 p.m.

2 stops9h 20m

San Francisco

Sat 7/11

8:15 a.m.-6:15 p.m.

1 stop7h 00m

C$ 520
Cheapest one-way

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 12/8

12:00 p.m.-7:05 p.m.

2 stops10h 05m

C$ 237

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Best time to book a flight from Buffalo to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

To ensure you get the cheapest price possible for a flight from Buffalo to San Francisco, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Buffalo to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Buffalo to San Francisco (average of C$ 372). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 670). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Buffalo to San Francisco?

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 1 July 2026.
Get a feel of what it's like to fly with Southwest,American Airlines, andJetBlue from Buffalo to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,246 reviews
Check prices

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
7.9
Good
4,246 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,766 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
JetBlue
7.1
Good
3,012 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,848 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

Find useful and relevant information for your journey from Buffalo to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to San Francisco?

    JetBlue and Delta can get you from Buffalo to San Francisco in just under 10h 45m. Your travel time can differ by up to 58m. Airlines will cover a distance of 3705 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to San Francisco round-trip?

    Frontier, at C$ 161, was found to be the cheapest airline from Buffalo to San Francisco.Alternate airlines to your destination round-trip include American Airlines and Southwest. Users have found that Frontier is 68% cheaper than the other options available to this destination.

  • Can I find deals for flights from Buffalo to San Francisco that include hotel bookings?

    Yes. In addition to deals on Buffalo to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Francisco.

  • Can I find deals for business class flights from Buffalo to San Francisco?

    Yes. Cheapflights offers flight deals from Buffalo to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from Buffalo to San Francisco (average of C$ 372). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 670). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Clara
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Buffalo to San Francisco

Discover the top 4 airlines that operate flights from Buffalo to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 161AverageC$ 393FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 222AverageC$ 372FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 232AverageC$ 430FlexibilityNo cancel feeOn-time63%
Search Southwest flights
JetBlueCheapestC$ 247AverageC$ 420FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to San Francisco?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Buffalo today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Buffalo to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Buffalo to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Buffalo to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to San Francisco become cheaper?

Of course! You can now track prices for flights from Buffalo to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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