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Cheap flights from San Francisco to Buffalo from C$ 138

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUF
31 May — 7 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Buffalo

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Buffalo
Explore the most affordable flight options available from San Francisco to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2026.

Tue 19/52:22 p.m.
SFO
-
BUF
1 stop6h 37m
Delta
Sun 24/56:25 a.m.
BUF
-
SFO
1 stop7h 21m
Delta
Deal found 28/4C$ 427
Tue 11/810:30 p.m.
SFO
-
BUF
1 stop11h 00m
Southwest
Thu 13/87:10 p.m.
BUF
-
SFO
1 stop7h 55m
Southwest
Deal found 28/4C$ 434
Fri 29/511:30 p.m.
SFO
-
BUF
1 stop7h 45m
United Airlines
Mon 1/67:52 p.m.
BUF
-
SFO
1 stop8h 23m
United Airlines
Deal found 1/5C$ 457
Wed 3/62:22 p.m.
SFO
-
BUF
1 stop6h 37m
Delta
Sun 7/66:29 a.m.
BUF
-
SFO
1 stop7h 00m
Delta
Deal found 1/5C$ 458
Mon 10/811:30 p.m.
SFO
-
BUF
1 stop6h 44m
United Airlines
Thu 13/87:52 p.m.
BUF
-
SFO
1 stop8h 24m
United Airlines
Deal found 28/4C$ 461
Thu 13/810:35 p.m.
SFO
-
BUF
1 stop7h 39m
United Airlines
Fri 21/85:52 p.m.
BUF
-
SFO
1 stop8h 04m
United Airlines
Deal found 1/5C$ 462
Mon 8/62:23 p.m.
SFO
-
BUF
1 stop6h 36m
Delta
Wed 10/66:29 a.m.
BUF
-
SFO
2 stops12h 24m
Delta
Deal found 28/4C$ 468
Tue 26/59:15 p.m.
SFO
-
BUF
1 stop7h 35m
Southwest
Tue 2/64:00 p.m.
BUF
-
SFO
1 stop8h 25m
Southwest
Deal found 28/4C$ 472
Fri 4/910:30 p.m.
SFO
-
BUF
1 stop8h 25m
Southwest
Tue 8/96:00 a.m.
BUF
-
SFO
1 stop8h 35m
Southwest
Deal found 1/5C$ 486
Tue 7/710:55 p.m.
SFO
-
BUF
1 stop9h 27m
Delta
Wed 15/76:29 a.m.
BUF
-
SFO
1 stop6h 58m
Delta
Deal found 28/4C$ 487
Mon 20/76:10 p.m.
SFO
-
BUF
2 stops10h 50m
Southwest
Tue 11/86:25 p.m.
BUF
-
SFO
1 stop7h 40m
Southwest
Deal found 27/4C$ 492
Sun 14/62:23 p.m.
SFO
-
BUF
1 stop6h 36m
Delta
Tue 16/66:00 a.m.
BUF
-
SFO
1 stop8h 45m
Delta
Deal found 28/4C$ 502

Find flight deals from San Francisco to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buffalo (BUF). 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 1 May 2026.

Round-trip from

C$ 427

One-way from

C$ 138

Popular in

February

Cheapest in

September

Average price

C$ 450
Delta
  • Delta
  • 19/5-27/5
  • 2 total stops
  • 16h 06m total
  • San Francisco to Buffalo
Search Deals
Frontier
  • Frontier
  • 16/5
  • 1 total stop
  • 9h 26m total
  • San Francisco to Buffalo
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Buffalo 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 1 May 2026.
Use the filters below to find and compare flights from San Francisco to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 20/7

2:19 p.m.-11:58 p.m.

1 stop6h 39m

Buffalo

Wed 29/7

6:29 a.m.-10:27 a.m.

1 stop6h 58m

C$ 427

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 1/6

2:22 p.m.-11:59 p.m.

1 stop6h 37m

Buffalo

Wed 3/6

4:55 p.m.-11:24 p.m.

1 stop9h 29m

C$ 427

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Thu 13/8

10:35 p.m.-9:14 a.m.

1 stop7h 39m

Buffalo

Fri 21/8

5:52 p.m.-10:56 p.m.

1 stop8h 04m

C$ 462

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Fri 14/8

10:45 p.m.-8:23 a.m.

1 stop6h 38m

Buffalo

Sat 5/9

12:09 p.m.-7:24 p.m.

1 stop10h 15m

C$ 527

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Fri 17/7

2:19 p.m.-11:58 p.m.

1 stop6h 39m

Buffalo

Mon 20/7

7:19 p.m.-12:36 a.m.

1 stop8h 17m

C$ 552

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Sat 1/8

9:30 p.m.-7:55 a.m.

1 stop7h 25m

Buffalo

Sun 9/8

7:00 p.m.-11:55 p.m.

1 stop7h 55m

C$ 576

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Fri 29/5

10:10 a.m.-11:20 p.m.

2 stops10h 10m

Buffalo

Tue 2/6

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

2 stops10h 00m

C$ 582

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Sat 27/6

11:40 p.m.-10:20 a.m.

1 stop7h 40m

Buffalo

Wed 15/7

11:00 a.m.-7:50 p.m.

1 stop11h 50m

C$ 589

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Wed 3/6

7:15 p.m.-8:10 a.m.

2 stops9h 55m

Buffalo

Sun 7/6

5:15 a.m.-12:00 p.m.

2 stops9h 45m

C$ 593

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 15/6

10:50 p.m.-2:20 p.m.

1 stop12h 30m

Buffalo

Thu 18/6

4:10 p.m.-12:10 a.m.

1 stop11h 00m

C$ 604

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Francisco 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 San Francisco to Buffalo

How far ahead should I book a flight from San Francisco to Buffalo?

The price you pay for your flight from San Francisco to Buffalo may vary depending on when you book. For the best chance of a lower fare, look to book 6 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Buffalo?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Buffalo (average of C$ 341). Flying from San Francisco to Buffalo in February is currently the most expensive (average of C$ 760). 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 San Francisco to Buffalo?

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Buffalo. 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 San Francisco to Buffalo?

    A quick flight from San Francisco to Buffalo can take about 6h 39m. United Airlines provides one of the quickest options available for as low as C$ 427. There are 3705 km between San Francisco and Buffalo. This flight may include one or multiple stops.

  • Can I find deals for flights from San Francisco to Buffalo that include hotel bookings?

    Yes. In addition to deals on San Francisco to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Buffalo.

  • Can I find deals for business class flights from San Francisco to Buffalo?

    Yes. Cheapflights offers flight deals from San Francisco to Buffalo 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 San Francisco to Buffalo?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Buffalo (average of C$ 341). Flying from San Francisco to Buffalo in February is currently the most expensive (average of C$ 760). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Tonawanda
Batavia
Cheektowaga
Amherst
Williamsville

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

When you search for this flight from San Francisco to Buffalo, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Buffalo?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Buffalo.

Can Cheapflights find flights from San Francisco to Buffalo with no change fees?

Certainly. Search results for flights to Buffalo from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to Buffalo become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Buffalo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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