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Cheap flights from Buffalo to San Francisco from C$ 165

BUF — SFO
10 Oct — 17 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

Wed 7/101:40 p.m. -
1 stop9h 28m
Wed 14/109:11 a.m. -
2 stops29h 41m
Deal found 7/9C$ 429
Wed 7/104:48 p.m. -
1 stop10h 56m
Wed 14/106:00 a.m. -
1 stop10h 09m
Deal found 7/9C$ 438
Wed 7/105:45 p.m. -
1 stop9h 45m
Mon 12/1011:30 p.m. -
1 stop6h 59m
Deal found 8/9C$ 440
Sat 7/113:53 p.m. -
1 stop10h 33m
Tue 10/1110:30 p.m. -
1 stop9h 05m
Deal found 8/9C$ 441
Tue 20/104:25 p.m. -
2 stops10h 15m
Sat 24/1011:10 a.m. -
1 stop7h 35m
Deal found 6/9C$ 447
Wed 11/112:55 p.m. -
1 stop8h 40m
Sun 15/1111:30 p.m. -
1 stop6h 51m
Deal found 8/9C$ 454
Thu 22/102:20 p.m. -
1 stop12h 50m
Mon 26/107:25 p.m. -
2 stops10h 00m
Deal found 8/9C$ 455
Sat 17/104:55 p.m. -
1 stop7h 55m
Sat 24/109:05 a.m. -
2 stops9h 40m
Deal found 9/9C$ 465
Fri 2/107:59 p.m. -
1 stop8h 00m
Sun 4/1011:30 p.m. -
1 stop6h 59m
Deal found 6/9C$ 467
Sat 26/94:20 p.m. -
1 stop7h 15m
Sat 5/128:15 a.m. -
2 stops10h 20m
Deal found 5/9C$ 485
Mon 16/116:55 p.m. -
1 stop8h 00m
Sun 22/1111:35 p.m. -
1 stop7h 50m
Deal found 9/9C$ 489

Find flight deals from Buffalo to San Francisco

Round-trip from

C$ 429

One-way from

C$ 165

Popular in

June

Cheapest in

January

Average price

C$ 578
Frontier
  • Frontier
  • 7/10-14/10
  • 3 total stops
  • 39h 09m total
  • Buffalo to San Francisco
Search Deals
Frontier
  • Frontier
  • 26/9-31/12
  • 1 total stop
  • 9h 03m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 41 potential increase over avg. RT price).
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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 September 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

Tue 29/9

11:06 a.m.-6:17 p.m.

1 stop10h 11m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 234

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Mon 23/11

4:00 p.m.-12:05 a.m.

2 stops11h 05m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 283

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Thu 1/10

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

2 stops9h 25m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 309
Quickest round-trip

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Thu 24/9

7:25 p.m.-11:53 p.m.

1 stop7h 28m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 316

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Mon 23/11

8:50 a.m.-9:25 p.m.

2 stops15h 35m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 404

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 11/11

6:30 a.m.-6:02 p.m.

2 stops14h 32m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 432

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sat 7/11

3:53 p.m.-11:26 p.m.

1 stop10h 33m

San Francisco

Tue 10/11

10:30 p.m.-10:35 a.m.

1 stop9h 05m

C$ 438

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$ 441

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 7/10

3:59 p.m.-10:59 p.m.

1 stop10h 00m

San Francisco

Sun 11/10

6:00 a.m.-3:13 p.m.

1 stop6h 13m

C$ 454

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sun 20/9

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

1 stop7h 58m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

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

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$ 361). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 654). 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.

What is the cheapest time of day to fly from BUF to SFO?

When flying from Buffalo to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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$ 456 and C$ 733 in October.
The cheapest round-trip price found within the last 5 days was C$ 429 on Frontier (7 Oct-14 Oct).

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
4,194 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
8.0
Very good
4,194 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
12,047 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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!
JetBlue
7.1
Good
3,041 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
2,610 reviews
Southwest
8.0
Very good
4,194 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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

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

    Delta can get you from Buffalo to San Francisco in just under 10h 33m. Your travel time can differ by up to . Airlines will cover a distance of 3705 km.

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

    Frontier, at C$ 192, 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 62% 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$ 361). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 654). 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
Manteca
Vallejo

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Buffalo to San Francisco

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 192AverageC$ 464FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 215AverageC$ 364FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 239AverageC$ 408FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 319AverageC$ 548FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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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