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$126+ Cheap flights from San Francisco to Buffalo (SFO - BUF)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Buffalo are usually found in September or February, booked 89 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap 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 July 3, 2025.

Round-trip from

$264
(American Airlines)

One-way from

$126
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$407
From San Francisco to Buffalo
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One-way flight from San Francisco to Buffalo
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Highest demand for flights based on searches. 15% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Francisco to Buffalo

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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:28 amSFO - BUF
1 stop9h 06mAmerican Airlines
Tue 8/126:25 amBUF - SFO
1 stop7h 39mAmerican Airlines
Deal found 7/3$264
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:50 pmSFO - BUF
1 stop6h 45mSouthwest
Sat 9/131:25 pmBUF - SFO
2 stops9h 25mSouthwest
Deal found 7/3$269
This FlightHub deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:29 amSFO - BUF
1 stop6h 33mFrontier
Mon 9/224:57 pmBUF - SFO
1 stop10h 19mFrontier
Deal found 6/30$272
This JetBlue deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:00 amSFO - BUF
1 stop10h 00mJetBlue
Wed 8/63:55 pmBUF - SFO
1 stop10h 45mJetBlue
Deal found 7/1$281
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2911:59 pmSFO - BUF
1 stop8h 03mDelta
Thu 8/147:41 pmBUF - SFO
1 stop7h 14mDelta
Deal found 7/1$297
This Sun Country Air deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3111:59 pmSFO - BUF
1 stop7h 39mSun Country Air
Sun 8/1011:41 amBUF - SFO
1 stop23h 27mSun Country Air
Deal found 7/1$325

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 2,558,603 searches. Data last updated July 3, 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

Thu 8/7

6:28 am-6:34 pm

1 stop9h 06m

Buffalo

Tue 8/12

6:25 am-11:04 am

1 stop7h 39m

$264

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Thu 9/4

12:50 pm-10:35 pm

1 stop6h 45m

Buffalo

Sat 9/13

1:25 pm-7:50 pm

2 stops9h 25m

$269

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 9/15

6:29 am-4:02 pm

1 stop6h 33m

Buffalo

Mon 9/22

4:57 pm-12:16 am

1 stop10h 19m

$272

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Wed 7/30

6:00 am-7:00 pm

1 stop10h 00m

Buffalo

Mon 8/11

3:55 pm-11:40 pm

1 stop10h 45m

$281

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Tue 7/29

11:59 pm-11:02 am

1 stop8h 03m

Buffalo

Thu 8/14

7:41 pm-11:55 pm

1 stop7h 14m

$297

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Thu 7/31

11:59 pm-10:38 am

1 stop7h 39m

Buffalo

Thu 8/14

12:05 pm-10:56 pm

1 stop13h 51m

$325

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Tue 8/5

5:00 am-4:55 pm

1 stop8h 55m

Buffalo

Tue 8/12

7:45 pm-12:57 am

1 stop8h 12m

$346

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Sat 9/20

10:45 pm-9:46 am

1 stop8h 01m

$126

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Tue 7/29

11:17 pm-12:57 pm

1 stop10h 40m

$128

San FranciscoBuffalo

SFO - BUF

SFOBUF

San Francisco

Mon 8/25

6:26 am-4:00 pm

1 stop6h 34m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
1
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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 June 27, 2025.

The best time to book flights from San Francisco to Buffalo is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Buffalo (average of $256). Flying from San Francisco to Buffalo in December is currently the most expensive (average of $337). 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 July 3, 2025.

It’s typically best to fly out from San Francisco to Buffalo in the evening. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Buffalo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Buffalo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Francisco to Buffalo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Entertainment

7.6

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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.

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

    Our cheapest airline available from San Francisco to Buffalo is American Airlines. Our recent data shows that you can find tickets from as low as $264 on this airline. Additional options worth looking into are Southwest and Frontier, starting at $269 and $272 round-trip. Users have found that American Airlines is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to Buffalo one-way?

    One-way options have recently been found by users for as low as $126 on United Airlines. Other airlines that offer cheap prices include American Airlines from $128 and Frontier from $133 one-way.

  • Where are the most common layover locations when flying from San Francisco to Buffalo?

    The most popular layover on flights from San Francisco to Buffalo is Chicago.

  • What are some popular things to do or see while on a layover in Chicago?

    Most Chicago visitors opt to spend their time experiencing Magnificent Mile, River North, and Grant Park. Travelers on a layover in Chicago can visit Magnificent Mile, River North, and Grant Park, by traveling 15.5 mi, 15.0 mi, and 16.2 mi, respectively after landing at Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $64 per day.

  • Where are the least popular layover locations for San Francisco to Buffalo flights?

    Flights departing from San Francisco and landing in Buffalo layover in Detroit least frequently.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Buffalo (average of $256). Flying from San Francisco to Buffalo in December is currently the most expensive (average of $337). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Williamsville
Orchard Park
Batavia
Eden
Amherst
West Seneca

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Top 7 airlines flying from San Francisco to Buffalo

Discover the top 7 airlines that operate flights from San Francisco to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$166Average$303FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$170Average$295FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$218Average$359FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$445FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$407FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$350Average$390FlexibilityNo cancel feeOn-time83%

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