HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$131+ Cheap flights from Buffalo to San Francisco (BUF - SFO)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SFO
août 3 — août 101
dim. 8/3
dim. 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Buffalo to San Francisco are usually found in August or September, booked 46 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Buffalo to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Francisco (SFO). 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 juillet 29, 2025.

Round-trip from

$246
(United Airlines)

One-way from

$131
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$352
From Buffalo to San Francisco
Search Deals
One-way flight from Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Buffalo to San Francisco

Cheapest flights from Buffalo to San Francisco
Explore the most affordable flight options available from Buffalo to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/248:00 pmBUF - SFO
1 stop7h 59mUnited Airlines
mar. 9/305:15 amSFO - BUF
1 stop8h 38mUnited Airlines
Deal found 7/28$246
This American Airlines deal was found by Cheapflights users on 7/28. 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.
jeu. 8/281:46 pmBUF - SFO
1 stop10h 43mAmerican Airlines
dim. 8/315:45 amSFO - BUF
1 stop9h 48mAmerican Airlines
Deal found 7/28$247
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/169:37 pmBUF - SFO
1 stop15h 48mFrontier
sam. 8/236:34 amSFO - BUF
1 stop27h 48mFrontier
Deal found 7/29$257
This Southwest deal was found by Cheapflights users on 7/28. 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.
ven. 8/2212:25 pmBUF - SFO
1 stop10h 45mSouthwest
sam. 8/309:05 pmSFO - BUF
1 stop7h 50mSouthwest
Deal found 7/28$264
This Delta deal was found by Cheapflights users on 7/29. 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.
sam. 8/236:50 pmBUF - SFO
1 stop7h 30mDelta
dim. 8/316:00 amSFO - BUF
1 stop9h 36mDelta
Deal found 7/29$276
This JetBlue deal was found by Cheapflights users on 7/28. 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.
jeu. 10/163:55 pmBUF - SFO
1 stop12h 04mJetBlue
lun. 10/207:00 amSFO - BUF
1 stop11h 00mJetBlue
Deal found 7/28$281

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to San Francisco 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 juillet 29, 2025.
Use the filters below to find and compare flights from Buffalo to San Francisco that are best for you.

Fly from

Buffalo

Fly to

San Francisco

Route

Depart

Return

Price

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

mer. 9/24

8:00 pm-12:59 am

1 stop7h 59m

San Francisco

mar. 9/30

5:15 am-4:53 pm

1 stop8h 38m

$246

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

jeu. 8/28

1:46 pm-9:29 pm

1 stop10h 43m

San Francisco

dim. 8/31

5:45 am-6:33 pm

1 stop9h 48m

$247

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

sam. 8/16

9:37 pm-10:25 am

1 stop15h 48m

San Francisco

sam. 8/23

6:34 am-1:22 pm

1 stop27h 48m

$257

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

ven. 8/22

12:25 pm-8:10 pm

1 stop10h 45m

San Francisco

sam. 8/30

9:05 pm-7:55 am

1 stop7h 50m

$264

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

sam. 8/23

6:50 pm-11:20 pm

1 stop7h 30m

San Francisco

dim. 8/31

6:00 am-6:36 pm

1 stop9h 36m

$276

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

jeu. 10/16

3:55 pm-12:59 am

1 stop12h 04m

San Francisco

lun. 10/20

7:00 am-9:00 pm

1 stop11h 00m

$281

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

sam. 8/23

1:56 pm-9:03 pm

1 stop10h 07m

$131

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

jeu. 9/11

6:25 am-2:44 pm

1 stop11h 19m

$138

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

lun. 9/22

8:00 pm-12:59 am

1 stop7h 59m

$139

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

dim. 9/21

6:00 am-10:55 am

1 stop7h 55m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 results
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
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 Buffalo to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San Francisco. Price data was last updated on July 25, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $276). Flying from Buffalo to San Francisco in June is currently the most expensive (average of $358). 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?

Find hourly flight availability from Buffalo to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 29, 2025.

It’s typically best to fly out from Buffalo to San Francisco in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

How much does it cost to fly round-trip from Buffalo to San Francisco?

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated juillet 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Buffalo to San Francisco 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

    Our cheapest airline available from Buffalo to San Francisco is United Airlines. Our recent data shows that you can find tickets from as low as $246 on this airline. Additional options worth looking into are American Airlines and Frontier, starting at $247 and $257 round-trip. You may be able to fly from Buffalo to San Francisco for 29% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $131. Users have also found prices from $138 and $139 on American Airlines and United Airlines, respectively.

  • 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 $276). Flying from Buffalo to San Francisco in June is currently the most expensive (average of $358). 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
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Newark to San Francisco flights
Newark to Las Vegas flights
LaGuardia to Los Angeles flights
LaGuardia to Las Vegas flights
LaGuardia to San Francisco flights
John F Kennedy Intl to San Diego flights
John F Kennedy Intl to Ontario flights
Newark to San Diego flights
Newark to Burbank flights
Newark to Ontario flights
Newark to Santa Ana flights
LaGuardia to Santa Ana flights
LaGuardia to Burbank flights
Newark to Oakland flights
Newark to San Jose flights
LaGuardia to Ontario flights
Rochester to Las Vegas flights
LaGuardia to San Diego flights
LaGuardia to Oakland flights
John F Kennedy Intl to Santa Ana flights
Newark to Sacramento flights
Buffalo to Las Vegas flights
John F Kennedy Intl to San Jose flights
John F Kennedy Intl to Reno flights
Albany to Las Vegas flights
John F Kennedy Intl to Sacramento flights
LaGuardia to San Jose flights
Newark to Palm Springs flights
John F Kennedy Intl to Burbank flights
John F Kennedy Intl to Palm Springs flights
Newark to Reno flights
LaGuardia to Sacramento flights
White Plains to Las Vegas flights
LaGuardia to Reno flights
Syracuse to Los Angeles flights
Syracuse to San Francisco flights
White Plains to Los Angeles flights
LaGuardia to Palm Springs flights
John F Kennedy Intl to Oakland flights
Buffalo to Los Angeles flights
Syracuse to Las Vegas flights
John F Kennedy Intl to Santa Barbara flights
Islip to Las Vegas flights
John F Kennedy Intl to Fresno flights
Newark to Fresno flights

Top 6 airlines flying from Buffalo to San Francisco

Discover the top 6 airlines that operate flights from Buffalo to San Francisco. 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 juillet 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$168Average$246FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$200Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$363FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$368FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$259Average$331FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$260Average$395FlexibilityNo cancel feeOn-time69%

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.