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Cheap flights from Buffalo to San Francisco from C$ 218

BUF — SFO
24 Oct — 31 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 17/1110:17 p.m. -
1 stop11h 58m
Deal found 19/9C$ 340
Fri 30/101:48 p.m. -
1 stop9h 52m
Sun 15/1110:17 p.m. -
1 stop11h 46m
Deal found 19/9C$ 402
Sat 31/102:09 p.m. -
1 stop9h 46m
Thu 12/117:30 a.m. -
1 stop10h 16m
Deal found 19/9C$ 431
Tue 8/128:00 a.m. -
1 stop10h 33m
Tue 15/1210:00 p.m. -
1 stop8h 34m
Deal found 23/9C$ 437
Tue 10/114:05 p.m. -
1 stop7h 27m
Wed 11/119:42 p.m. -
1 stop10h 24m
Deal found 21/9C$ 448
Tue 27/1012:15 p.m. -
1 stop9h 02m
Fri 13/1110:40 p.m. -
1 stop6h 40m
Deal found 19/9C$ 449
Fri 23/104:50 p.m. -
1 stop9h 25m
Wed 28/1011:40 p.m. -
2 stops9h 20m
Deal found 22/9C$ 456
Mon 19/107:30 p.m. -
1 stop8h 15m
Mon 26/107:25 p.m. -
2 stops10h 00m
Deal found 19/9C$ 471
Wed 9/122:00 p.m. -
2 stops10h 25m
Tue 15/128:20 a.m. -
2 stops10h 35m
Deal found 20/9C$ 478
Wed 4/116:55 p.m. -
1 stop8h 00m
Wed 11/114:55 p.m. -
2 stops12h 30m
Deal found 20/9C$ 485
Wed 21/104:25 p.m. -
2 stops10h 15m
Wed 28/1011:40 p.m. -
2 stops9h 20m
Deal found 21/9C$ 492

Find flight deals from Buffalo to San Francisco

Round-trip from

C$ 340

One-way from

C$ 218

Popular in

June

Cheapest in

January

Average price

C$ 597
Frontier
  • Frontier
  • 30/10-17/11
  • 2 total stops
  • 21h 50m total
  • Buffalo to San Francisco
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United Airlines
  • United Airlines
  • 20/10-31/12
  • 1 total stop
  • 9h 33m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 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

Sat 31/10

6:00 a.m.-1:30 p.m.

1 stop10h 30m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 218

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 21/10

7:00 a.m.-1:33 p.m.

1 stop9h 33m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 218

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Tue 20/10

7:00 a.m.-1:33 p.m.

1 stop9h 33m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 218

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Tue 10/11

3:48 p.m.-11:54 p.m.

1 stop11h 06m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 220

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Mon 19/10

7:30 p.m.-12:45 a.m.

1 stop8h 15m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 225

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Thu 3/12

7:24 p.m.-1:19 a.m.

1 stop8h 55m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 225
Quickest round-trip

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Mon 19/10

7:59 p.m.-12:59 a.m.

1 stop8h 00m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 225

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Tue 20/10

11:20 a.m.-8:06 p.m.

1 stop11h 46m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 248

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Thu 17/12

3:55 p.m.-9:55 p.m.

1 stop9h 00m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 254

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sat 7/11

1:10 p.m.-9:35 p.m.

2 stops11h 25m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 255

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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$ 369). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 664). 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$ 457 and C$ 728 in October.
The cheapest round-trip price found within the last 5 days was C$ 340 on Frontier (30 Oct-17 Nov).

Reviews of airlines servicing San Francisco

Get a feel of what it's like to fly with Southwest,JetBlue, 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
8.0
Very good
4,199 reviews
Check prices

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

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
8.0
Very good
4,199 reviews
Southwest
8.0
Very good
4,199 reviews
Check prices

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

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
3,039 reviews
Southwest
8.0
Very good
4,199 reviews
Check prices

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

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
7.0
Good
12,074 reviews
Southwest
8.0
Very good
4,199 reviews
Check prices

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

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
2,578 reviews
Southwest
8.0
Very good
4,199 reviews
Check prices

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

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

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

    JetBlue and Delta can get you from Buffalo to San Francisco in just under 7h 27m. Your travel time can differ by up to 2h 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$ 196, 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$ 369). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 664). 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$ 196AverageC$ 474FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 220AverageC$ 371FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 245AverageC$ 416FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 326AverageC$ 576FlexibilityNo 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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