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Cheap flights from San Francisco to Buffalo from C$ 173

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUF
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Francisco to Buffalo are usually found in September or February, booked 7 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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 16 December 2025.

Wed 17/1212:37 p.m.SFO - BUF
1 stop8h 22mDelta
Sun 21/125:52 p.m.BUF - SFO
1 stop7h 51mDelta
Deal found 15/12C$ 766
Wed 17/1212:37 p.m.SFO - BUF
1 stop8h 22mDelta
Wed 24/126:10 a.m.BUF - SFO
1 stop7h 51mDelta
Deal found 15/12C$ 816
Thu 25/126:45 a.m.SFO - BUF
1 stop9h 21mUnited Airlines
Thu 1/16:30 a.m.BUF - SFO
1 stop10h 24mUnited Airlines
Deal found 15/12C$ 827
Fri 26/128:55 a.m.SFO - BUF
2 stops10h 30mSouthwest
Thu 1/18:05 a.m.BUF - SFO
1 stop8h 15mSouthwest
Deal found 16/12C$ 859
Tue 23/127:00 p.m.SFO - BUF
2 stops10h 15mSouthwest
Fri 2/12:45 p.m.BUF - SFO
2 stops12h 10mSouthwest
Deal found 16/12C$ 866
Tue 16/1211:45 a.m.SFO - BUF
1 stop8h 49mUnited Airlines
Thu 18/127:48 p.m.BUF - SFO
1 stop8h 29mUnited Airlines
Deal found 15/12C$ 921
Thu 25/125:00 a.m.SFO - BUF
1 stop8h 45mUnited Airlines
Fri 2/17:48 p.m.BUF - SFO
2 stops14h 40mUnited Airlines
Deal found 16/12C$ 934
Sat 27/1210:05 a.m.SFO - BUF
2 stops10h 15mSouthwest
Sat 3/17:50 p.m.BUF - SFO
1 stop7h 25mSouthwest
Deal found 16/12C$ 941

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 16 December 2025.

Round-trip from

C$ 345

One-way from

C$ 173

Popular in

December

Cheapest in

September

Average price

C$ 601
United Airlines
  • United Airlines
  • 6/1-13/1
  • 2 total stops
  • 18h 18m total
  • San Francisco to Buffalo
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American Airlines
  • American Airlines
  • 3/3
  • 1 total stop
  • 7h 24m total
  • San Francisco to Buffalo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 16 December 2025.
Use the filters below to find and compare flights from San Francisco to Buffalo that are best for you.

Fly from

San Francisco

Fly to

Buffalo

Route

Depart

Return

Price

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Tue 6/1

11:55 p.m.-10:49 a.m.

1 stop7h 54m

Buffalo

Tue 13/1

9:55 a.m.-5:19 p.m.

1 stop10h 24m

C$ 345

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Sat 10/1

9:30 p.m.-10:49 a.m.

1 stop10h 19m

Buffalo

Sat 17/1

11:24 a.m.-5:34 p.m.

1 stop9h 10m

C$ 345

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Thu 22/1

8:37 p.m.-9:02 a.m.

1 stop9h 25m

Buffalo

Mon 26/1

3:25 p.m.-10:59 p.m.

1 stop10h 34m

C$ 362

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Wed 18/3

11:20 p.m.-9:50 a.m.

1 stop7h 30m

Buffalo

Wed 25/3

7:30 p.m.-1:28 a.m.

1 stop8h 58m

C$ 362

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 18/5

11:15 p.m.-9:47 a.m.

1 stop7h 32m

Buffalo

Thu 21/5

5:50 p.m.-12:34 a.m.

1 stop9h 44m

C$ 362

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 11/5

11:59 p.m.-11:29 a.m.

1 stop8h 30m

Buffalo

Thu 14/5

5:29 p.m.-12:54 a.m.

1 stop10h 25m

C$ 399

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Tue 12/5

8:30 p.m.-11:29 a.m.

1 stop11h 59m

Buffalo

Thu 14/5

5:29 p.m.-12:54 a.m.

1 stop10h 25m

C$ 399

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Wed 29/4

11:59 a.m.-11:55 p.m.

1 stop8h 56m

Buffalo

Sun 3/5

5:29 p.m.-12:54 a.m.

1 stop10h 25m

C$ 399

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Thu 29/1

10:50 a.m.-11:47 p.m.

1 stop9h 57m

Buffalo

Thu 5/2

10:00 a.m.-6:55 p.m.

1 stop11h 55m

C$ 399

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Sun 10/5

9:30 p.m.-11:29 a.m.

1 stop10h 59m

Buffalo

Fri 15/5

9:45 a.m.-6:35 p.m.

1 stop11h 50m

C$ 407

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 24 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buffalo. Price data was last updated on 12 December 2025.

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 7 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, March is the cheapest month in which you can book a flight from San Francisco to Buffalo (average of C$ 186). Flying from San Francisco to Buffalo in July is currently the most expensive (average of C$ 359). 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 SFO to BUF?

Find hourly flight availability from San Francisco to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.

One of the essential ways to save on airfare from San Francisco to Buffalo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 26% on airfare.

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 7h 54m. United Airlines provides one of the quickest options available for as low as C$ 345. 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, March is the cheapest month in which you can book a flight from San Francisco to Buffalo (average of C$ 186). Flying from San Francisco to Buffalo in July is currently the most expensive (average of C$ 359). 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
Williamsville
Amherst

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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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