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Cheap flights from Buffalo to San Francisco from C$ 175

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SFO
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Buffalo to San Francisco are usually found in January or February, booked 46 days in advance, depart on a Wednesday or Saturday and return on a Monday

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 15 April 2025.

Round-trip from

C$ 367

One-way from

C$ 175

Popular in

June

Cheapest in

January

Average price

C$ 523
United Airlines
  • United Airlines
  • 15/9-20/9
  • 2 total stops
  • 15h 45m total
  • Buffalo to San Francisco
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United Airlines
  • United Airlines
  • 27/5
  • 1 total stop
  • 8h 03m total
  • Buffalo to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 15 April 2025.

Mon 15/97:30 p.m.BUF - SFO
1 stop8h 29mUnited Airlines
Sat 20/91:10 p.m.SFO - BUF
1 stop7h 16mUnited Airlines
Deal found 15/4C$ 367
Fri 9/55:55 p.m.BUF - SFO
1 stop7h 43mDelta
Mon 12/55:50 a.m.SFO - BUF
1 stop8h 19mDelta
Deal found 15/4C$ 385
Wed 7/53:05 p.m.BUF - SFO
1 stop9h 23mJetBlue
Sun 11/58:44 p.m.SFO - BUF
1 stop9h 52mJetBlue
Deal found 15/4C$ 391
Thu 2/107:55 a.m.BUF - SFO
1 stop9h 30mSouthwest
Mon 6/106:20 p.m.SFO - BUF
2 stops10h 50mSouthwest
Deal found 15/4C$ 449
Sat 5/71:14 p.m.BUF - SFO
1 stop11h 09mFrontier
Sun 13/76:37 a.m.SFO - BUF
1 stop27h 38mFrontier
Deal found 15/4C$ 545
Tue 15/75:00 p.m.BUF - SFO
1 stop8h 06mAlaska Airlines
Mon 21/79:09 a.m.SFO - BUF
2 stops11h 48mAlaska Airlines
Deal found 15/4C$ 768

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 629,999 searches. Data last updated 15 April 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

Mon 15/9

7:30 p.m.-12:59 a.m.

1 stop8h 29m

San Francisco

Sat 20/9

1:10 p.m.-11:26 p.m.

1 stop7h 16m

C$ 367

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 9/5

5:55 p.m.-10:38 p.m.

1 stop7h 43m

San Francisco

Mon 12/5

5:50 a.m.-5:09 p.m.

1 stop8h 19m

C$ 385

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 7/5

3:05 p.m.-9:28 p.m.

1 stop9h 23m

San Francisco

Sun 11/5

8:44 p.m.-9:36 a.m.

1 stop9h 52m

C$ 391

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 2/10

7:55 a.m.-2:25 p.m.

1 stop9h 30m

San Francisco

Mon 6/10

6:20 p.m.-8:10 a.m.

2 stops10h 50m

C$ 449

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 5/7

1:14 p.m.-9:23 p.m.

1 stop11h 09m

San Francisco

Sun 13/7

6:37 a.m.-1:15 p.m.

1 stop27h 38m

C$ 545

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 7/5

5:17 a.m.-2:51 p.m.

2 stops12h 34m

San Francisco

Sun 11/5

11:48 a.m.-11:22 p.m.

1 stop8h 34m

C$ 577

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 27/5

7:55 p.m.-12:58 a.m.

1 stop8h 03m

C$ 175

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 20/5

6:30 a.m.-10:33 a.m.

1 stop7h 03m

C$ 193

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sun 11/5

6:00 a.m.-12:01 p.m.

1 stop9h 01m

C$ 210

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 20/8

6:50 a.m.-2:40 p.m.

2 stops10h 50m

C$ 252

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 11 results
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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 11 April 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to San Francisco, you should look to book at least 46 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$ 276). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 379). 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 15 April 2025.

It’s typically best to fly out from Buffalo to San Francisco in the evening. Doing so could potentially save you 17% on the flight price compared to flying at noon, 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 16 December 2024.

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

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 15 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Buffalo to San Francisco. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,927 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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?

    United Airlines, at C$ 367, was found to be the cheapest airline from Buffalo to San Francisco.Alternate airlines to your destination round-trip include Delta and JetBlue. Users have found that United Airlines is 27% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as C$ 175 on United Airlines. Other airlines that offer cheap prices include Delta from C$ 193 and JetBlue from C$ 210 one-way.

  • 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$ 276). Flying from Buffalo to San Francisco in June is currently the most expensive (average of C$ 379). 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
Richmond
San Ramon
Newark
Alameda
Redwood City
Burlingame
South San Francisco
San Bruno
Scotts Valley
Novato
Belmont
Millbrae
Santa Clara
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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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 629,999 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 205AverageC$ 384FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 276AverageC$ 383FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 347AverageC$ 388FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapestC$ 356AverageC$ 459FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 449AverageC$ 659FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 477AverageC$ 703FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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.

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