Find flights
When to book
Airlines
FAQs

Cheap flights from Buffalo to San Francisco from C$ 223

BUF — SFO
5 Dec — 12 Dec1
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

Thu 26/116:30 a.m. -
1 stop10h 00m
Thu 3/121:00 p.m. -
1 stop6h 57m
Deal found 2/11C$ 438
Tue 8/1212:06 p.m. -
1 stop9h 08m
Tue 15/126:00 a.m. -
1 stop8h 36m
Deal found 4/11C$ 445
Thu 26/113:30 p.m. -
1 stop9h 19m
Sat 5/126:00 a.m. -
1 stop7h 13m
Deal found 5/11C$ 447
Sun 6/127:10 p.m. -
1 stop8h 15m
Wed 9/1210:55 a.m. -
1 stop6h 55m
Deal found 3/11C$ 459
Thu 26/113:30 p.m. -
1 stop9h 19m
Sun 6/1210:40 p.m. -
1 stop6h 54m
Deal found 5/11C$ 466
Thu 3/127:25 a.m. -
1 stop9h 25m
Thu 10/128:00 a.m. -
2 stops11h 00m
Deal found 4/11C$ 468
Thu 17/126:10 a.m. -
1 stop7h 48m
Thu 24/1210:55 p.m. -
1 stop9h 32m
Deal found 2/11C$ 473
Thu 24/125:35 p.m. -
1 stop8h 30m
Sun 3/111:30 p.m. -
1 stop7h 13m
Deal found 3/11C$ 475
Fri 4/123:55 p.m. -
2 stops11h 00m
Wed 9/128:20 a.m. -
2 stops10h 40m
Deal found 3/11C$ 487
Wed 2/126:55 p.m. -
1 stop8h 00m
Wed 9/128:00 a.m. -
2 stops9h 55m
Deal found 2/11C$ 494

Find flight deals from Buffalo to San Francisco

Round-trip from

C$ 438

One-way from

C$ 223

Popular in

June

Cheapest in

January

Average price

C$ 500
United Airlines
  • United Airlines
  • 26/11-3/12
  • 2 total stops
  • 16h 57m total
  • Buffalo to San Francisco
Search Deals
Southwest
  • Southwest
  • 23/11-31/12
  • 1 total stop
  • 8h 15m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

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 12/12

3:00 p.m.-9:50 p.m.

1 stop9h 50m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 223

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Fri 18/12

6:00 a.m.-12:47 p.m.

1 stop9h 47m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 223
Quickest round-trip

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Tue 2/3

6:00 p.m.-10:40 p.m.

1 stop7h 40m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 223

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Fri 11/12

8:17 a.m.-3:15 p.m.

1 stop9h 58m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 223

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 13/1

7:45 a.m.-2:15 p.m.

2 stops9h 30m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 230

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 6/1

7:45 a.m.-2:15 p.m.

2 stops9h 30m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 230

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Fri 11/12

4:00 p.m.-11:25 p.m.

2 stops10h 25m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 230

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Mon 4/1

4:00 p.m.-11:25 p.m.

2 stops10h 25m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 323

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Wed 23/12

3:35 p.m.-1:20 a.m.

1 stop12h 45m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 323

BuffaloSan Francisco

BUF Buffalo - SFO San Francisco

BUFSFO

Buffalo

Sun 20/12

7:52 p.m.-1:30 a.m.

1 stop8h 38m

San Francisco

Wed 31/12

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

Nonstop0h 00m

C$ 327

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Showing 1-10 of 19 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

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$ 366). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 658). 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 typical for this route at the moment.

Buffalo to San Francisco flights typically cost between C$ 402 and C$ 771 in November.
The cheapest round-trip price found within the last 5 days was C$ 438 on United Airlines (26 Nov-3 Dec).

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
4,211 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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
4,211 reviews
Southwest
8.0
Very good
4,211 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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
3,063 reviews
Southwest
8.0
Very good
4,211 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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
12,231 reviews
Southwest
8.0
Very good
4,211 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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
5.5
Fair
2,512 reviews
Southwest
8.0
Very good
4,211 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

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 45m. Your travel time can differ by up to 1h 34m. 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$ 195, 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$ 366). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 658). 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
San Bruno
Burlingame
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$ 195AverageC$ 470FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 218AverageC$ 372FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 242AverageC$ 464FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 316AverageC$ 484FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.