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Cheap flights from Buffalo to San Francisco from C$ 244

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SFO
18 Jul — 25 Jul1
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 18 June 2026.

Thu 27/811:35 a.m.
BUF
-
SFO
1 stop10h 50m
Frontier
Mon 31/810:15 p.m.
SFO
-
BUF
1 stop9h 25m
Frontier
Deal found 16/6C$ 339
Tue 14/711:29 a.m.
BUF
-
SFO
1 stop10h 49m
Frontier
Tue 21/710:10 p.m.
SFO
-
BUF
1 stop12h 43m
Frontier
Deal found 14/6C$ 345
Fri 23/104:00 p.m.
BUF
-
SFO
1 stop10h 32m
JetBlue
Tue 27/106:00 a.m.
SFO
-
BUF
1 stop10h 01m
JetBlue
Deal found 16/6C$ 363
Tue 14/711:29 a.m.
BUF
-
SFO
1 stop10h 49m
Frontier
Mon 20/711:00 p.m.
SFO
-
BUF
1 stop8h 29m
Frontier
Deal found 14/6C$ 368
Sat 19/93:30 p.m.
BUF
-
SFO
1 stop11h 01m
JetBlue
Mon 28/911:59 p.m.
SFO
-
BUF
1 stop11h 27m
JetBlue
Deal found 16/6C$ 377
Wed 26/83:52 p.m.
BUF
-
SFO
1 stop11h 44m
JetBlue
Sat 5/99:00 p.m.
SFO
-
BUF
1 stop9h 34m
JetBlue
Deal found 15/6C$ 379
Tue 25/810:00 a.m.
BUF
-
SFO
1 stop11h 24m
Delta
Wed 26/86:00 a.m.
SFO
-
BUF
1 stop9h 55m
Delta
Deal found 17/6C$ 396
Wed 19/812:02 p.m.
BUF
-
SFO
1 stop9h 11m
Delta
Tue 25/810:00 p.m.
SFO
-
BUF
1 stop10h 08m
Delta
Deal found 17/6C$ 397
Wed 26/83:52 p.m.
BUF
-
SFO
1 stop9h 12m
JetBlue
Mon 7/96:00 a.m.
SFO
-
BUF
1 stop10h 13m
JetBlue
Deal found 15/6C$ 422
Tue 25/83:52 p.m.
BUF
-
SFO
1 stop11h 44m
JetBlue
Sat 5/99:00 p.m.
SFO
-
BUF
1 stop9h 34m
JetBlue
Deal found 15/6C$ 425
Wed 1/76:00 a.m.
BUF
-
SFO
1 stop10h 25m
JetBlue
Tue 7/76:00 a.m.
SFO
-
BUF
1 stop10h 13m
JetBlue
Deal found 13/6C$ 428

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 18 June 2026.

Round-trip from

C$ 339

One-way from

C$ 244

Popular in

March

Cheapest in

January

Average price

C$ 550
Frontier
  • Frontier
  • 27/8-31/8
  • 2 total stops
  • 20h 15m total
  • Buffalo to San Francisco
Search Deals
JetBlue
  • JetBlue
  • 30/6
  • 1 total stop
  • 12h 12m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 18 June 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

10:00 a.m.-6:24 p.m.

1 stop11h 24m

San Francisco

Wed 26/8

6:00 a.m.-6:55 p.m.

1 stop9h 55m

C$ 396

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 25/9

9:00 a.m.-2:06 p.m.

1 stop8h 06m

San Francisco

Wed 30/9

10:10 p.m.-11:02 a.m.

1 stop9h 52m

C$ 397

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 26/9

12:10 p.m.-7:15 p.m.

1 stop10h 05m

San Francisco

Sat 3/10

8:25 p.m.-8:24 a.m.

1 stop8h 59m

C$ 445

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 16/9

3:30 p.m.-9:28 p.m.

1 stop8h 58m

San Francisco

Sun 20/9

9:45 p.m.-11:14 a.m.

1 stop10h 29m

C$ 481
Quickest round-trip

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 17/10

12:50 p.m.-6:48 p.m.

1 stop8h 58m

San Francisco

Wed 28/10

2:25 p.m.-11:59 p.m.

1 stop6h 34m

C$ 512

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 26/9

7:50 a.m.-1:00 p.m.

1 stop8h 10m

San Francisco

Sat 3/10

5:30 p.m.-8:10 a.m.

2 stops11h 40m

C$ 519

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 25/8

3:52 p.m.-12:36 a.m.

1 stop11h 44m

San Francisco

Wed 26/8

6:00 a.m.-7:24 p.m.

1 stop10h 24m

C$ 529

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 27/8

3:55 p.m.-10:50 p.m.

2 stops9h 55m

San Francisco

Mon 31/8

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

1 stop7h 45m

C$ 567

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 25/9

3:55 p.m.-10:50 p.m.

2 stops9h 55m

San Francisco

Wed 30/9

10:30 p.m.-11:50 a.m.

1 stop10h 20m

C$ 581

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 16/7

7:55 p.m.-12:15 a.m.

1 stop7h 20m

San Francisco

Mon 20/7

11:00 a.m.-12:15 a.m.

2 stops10h 15m

C$ 592

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 368). Flying from Buffalo to San Francisco in March is currently the most expensive (average of C$ 577). 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 18 June 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines 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
4,236 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Food

7.0

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
4,236 reviews
Southwest
7.9
Good
4,236 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Food

7.0

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!
Delta
7.8
Good
8,410 reviews
Southwest
7.9
Good
4,236 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Food

7.0

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
11,684 reviews
Southwest
7.9
Good
4,236 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Food

7.0

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
2,880 reviews
Southwest
7.9
Good
4,236 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Food

7.0

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?

    Delta, JetBlue, and Southwest can get you from Buffalo to San Francisco in just under 8h 10m. Your travel time can differ by up to 3h 14m. 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$ 159, was found to be the cheapest airline from Buffalo to San Francisco.Alternate airlines to your destination round-trip include Delta and American Airlines. 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$ 368). Flying from Buffalo to San Francisco in March is currently the most expensive (average of C$ 577). 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
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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 159AverageC$ 387FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 192AverageC$ 504FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 219AverageC$ 368FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 229AverageC$ 424FlexibilityNo cancel feeOn-time63%
Search Southwest 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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