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Cheap flights from Buffalo to San Francisco from C$ 248

BUF — SFO
24 Sep — 1 Oct1
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

Fri 30/101:48 p.m. -
1 stop9h 52m
Tue 3/1110:17 p.m. -
1 stop11h 58m
Deal found 22/8C$ 344
Tue 6/106:51 p.m. -
2 stops42h 25m
Tue 13/1010:14 p.m. -
1 stop11h 45m
Deal found 22/8C$ 413
Wed 7/101:40 p.m. -
2 stops13h 34m
Tue 13/1010:14 p.m. -
1 stop11h 45m
Deal found 22/8C$ 431
Fri 9/101:44 p.m. -
2 stops37h 31m
Tue 13/1010:14 p.m. -
1 stop11h 45m
Deal found 22/8C$ 433
Tue 29/97:00 a.m. -
1 stop9h 33m
Tue 6/1011:30 p.m. -
1 stop6h 59m
Deal found 21/8C$ 434
Tue 10/114:05 p.m. -
1 stop7h 31m
Wed 11/119:55 p.m. -
1 stop10h 16m
Deal found 24/8C$ 440
Tue 6/106:55 p.m. -
1 stop8h 01m
Tue 13/1011:30 p.m. -
1 stop8h 46m
Deal found 21/8C$ 441

Find flight deals from Buffalo to San Francisco

Round-trip from

C$ 344

One-way from

C$ 248

Popular in

June

Cheapest in

January

Average price

C$ 535
Frontier
  • Frontier
  • 30/10-3/11
  • 2 total stops
  • 21h 50m total
  • Buffalo to San Francisco
Search Deals
Southwest
  • Southwest
  • 31/10
  • 2 total stops
  • 9h 55m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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 Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 7/10

6:55 p.m.-11:56 p.m.

1 stop8h 01m

San Francisco

Sat 10/10

10:45 p.m.-11:07 a.m.

1 stop9h 22m

C$ 441

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Tue 10/11

4:05 p.m.-8:36 p.m.

1 stop7h 31m

San Francisco

Wed 11/11

9:55 p.m.-11:11 a.m.

1 stop10h 16m

C$ 442

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sat 17/10

4:55 p.m.-9:45 p.m.

1 stop7h 50m

San Francisco

Fri 23/10

11:40 p.m.-11:55 a.m.

2 stops9h 15m

C$ 498
Quickest round-trip

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Mon 21/9

6:59 p.m.-11:57 p.m.

1 stop7h 58m

San Francisco

Mon 28/9

10:35 p.m.-10:26 a.m.

1 stop8h 51m

C$ 510

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Tue 6/10

6:55 p.m.-11:56 p.m.

1 stop8h 01m

San Francisco

Wed 14/10

6:00 a.m.-5:49 p.m.

1 stop8h 49m

C$ 510

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 30/9

6:00 a.m.-11:35 a.m.

1 stop8h 35m

San Francisco

Thu 8/10

7:25 p.m.-7:50 a.m.

2 stops9h 25m

C$ 523

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sat 21/11

2:00 p.m.-9:30 p.m.

1 stop10h 30m

San Francisco

Fri 27/11

6:00 a.m.-4:50 p.m.

1 stop7h 50m

C$ 541

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Thu 8/10

4:50 p.m.-11:15 p.m.

2 stops9h 25m

San Francisco

Mon 12/10

9:35 p.m.-8:25 a.m.

1 stop7h 50m

C$ 564

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sat 5/9

6:45 a.m.-1:40 p.m.

1 stop9h 55m

San Francisco

Sat 12/9

8:00 a.m.-9:10 p.m.

2 stops10h 10m

C$ 568
Cheapest one-way

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sat 31/10

7:40 a.m.-2:35 p.m.

2 stops9h 55m

C$ 248

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/8

Showing 1-10 of 20 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

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 55 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$ 362). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 655). 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?

Airfare is below average for this route at the moment.

Buffalo to San Francisco flights typically cost between C$ 433 and C$ 695 in October.
The cheapest round-trip price found within the last 5 days was C$ 344 on Frontier (30 Oct-3 Nov).

Reviews of airlines servicing San Francisco

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
8.0
Very good
4,203 reviews
Check prices

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
8.0
Very good
4,203 reviews
Southwest
8.0
Very good
4,203 reviews
Check prices

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
11,993 reviews
Southwest
8.0
Very good
4,203 reviews
Check prices

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
3,034 reviews
Southwest
8.0
Very good
4,203 reviews
Check prices

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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
2,648 reviews
Southwest
8.0
Very good
4,203 reviews
Check prices

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

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

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

    Southwest and Delta can get you from Buffalo to San Francisco in just under 7h 31m. Your travel time can differ by up to 19m. 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$ 173, was found to be the cheapest airline from Buffalo to San Francisco.Alternate airlines to your destination round-trip include American Airlines and JetBlue. Users have found that Frontier is 65% 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$ 362). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 655). 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

Top 4 airlines flying from Buffalo to San Francisco

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 173AverageC$ 459FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 216AverageC$ 363FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 240AverageC$ 460FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 320AverageC$ 558FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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

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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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