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Cheap flights from Buffalo to San Francisco from C$ 189

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SFO
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from Buffalo to San Francisco are usually found in November or August, booked 25 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 3 July 2025.

Round-trip from

C$ 342

One-way from

C$ 189

Popular in

December

Cheapest in

November

Average price

C$ 482
United Airlines
  • United Airlines
  • 27/8-30/8
  • 2 total stops
  • 14h 21m total
  • Buffalo to San Francisco
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American Airlines
  • American Airlines
  • 25/7
  • 1 total stop
  • 10h 55m total
  • Buffalo to San Francisco
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 9 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 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 3 July 2025.

Wed 27/810:55 a.m.BUF - SFO
1 stop7h 35mUnited Airlines
Tue 2/95:15 a.m.SFO - BUF
1 stop8h 37mUnited Airlines
Deal found 2/7C$ 342
Wed 27/84:05 p.m.BUF - SFO
2 stops9h 20mSouthwest
Tue 2/95:55 a.m.SFO - BUF
1 stop8h 05mSouthwest
Deal found 2/7C$ 349
Tue 19/812:17 p.m.BUF - SFO
1 stop8h 30mDelta
Tue 2/96:00 a.m.SFO - BUF
1 stop9h 36mDelta
Deal found 1/7C$ 378
Mon 18/86:29 a.m.BUF - SFO
1 stop9h 01mAmerican Airlines
Wed 27/86:10 a.m.SFO - BUF
1 stop8h 31mAmerican Airlines
Deal found 2/7C$ 379
Fri 10/106:00 p.m.BUF - SFO
1 stop8h 50mJetBlue
Mon 20/108:40 p.m.SFO - BUF
1 stop9h 23mJetBlue
Deal found 3/7C$ 424
Fri 18/711:41 a.m.BUF - SFO
1 stop14h 12mSun Country Air
Sat 26/711:59 p.m.SFO - BUF
1 stop7h 45mSun Country Air
Deal found 30/6C$ 443
Mon 11/88:50 a.m.BUF - SFO
1 stop28h 35mFrontier
Thu 14/86:37 a.m.SFO - BUF
1 stop27h 39mFrontier
Deal found 2/7C$ 457

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 3 July 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

Wed 27/8

10:55 a.m.-3:30 p.m.

1 stop7h 35m

San Francisco

Tue 2/9

5:15 a.m.-4:52 p.m.

1 stop8h 37m

C$ 342

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 27/8

4:05 p.m.-10:25 p.m.

2 stops9h 20m

San Francisco

Tue 2/9

5:55 a.m.-5:00 p.m.

1 stop8h 05m

C$ 349

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 19/8

12:17 p.m.-5:47 p.m.

1 stop8h 30m

San Francisco

Tue 2/9

6:00 a.m.-6:36 p.m.

1 stop9h 36m

C$ 378

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 18/8

6:29 a.m.-12:30 p.m.

1 stop9h 01m

San Francisco

Wed 27/8

6:10 a.m.-5:41 p.m.

1 stop8h 31m

C$ 379

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 18/7

11:41 a.m.-10:53 p.m.

1 stop14h 12m

San Francisco

Sat 26/7

11:59 p.m.-10:44 a.m.

1 stop7h 45m

C$ 443

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 11/8

8:50 a.m.-10:25 a.m.

1 stop28h 35m

San Francisco

Thu 14/8

6:37 a.m.-1:16 p.m.

1 stop27h 39m

C$ 457

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 15/7

6:30 p.m.-12:59 a.m.

1 stop9h 29m

San Francisco

Tue 22/7

6:00 a.m.-7:00 p.m.

1 stop10h 00m

C$ 480

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 25/7

1:47 p.m.-9:42 p.m.

1 stop10h 55m

C$ 189

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 23/7

6:00 a.m.-2:35 p.m.

2 stops11h 35m

C$ 196

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 1/8

8:50 a.m.-10:25 a.m.

1 stop28h 35m

C$ 217

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 15 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 27 June 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to San Francisco, you should look to book at least 25 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 December is currently the most expensive (average of C$ 368). 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 3 July 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.

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 3 July 2025.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Buffalo to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
Check prices

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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?

    United Airlines, at C$ 342, was found to be the cheapest airline from Buffalo to San Francisco.Alternate airlines to your destination round-trip include Southwest and Delta. Users have found that United Airlines is 28% 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$ 189 on American Airlines. Other airlines that offer cheap prices include Southwest from C$ 196 and Frontier from C$ 217 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 December is currently the most expensive (average of C$ 368). 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
San Bruno
South San Francisco
Scotts Valley
Novato
Belmont
Millbrae
Santa Clara
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 201AverageC$ 378FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 251AverageC$ 438FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 271AverageC$ 365FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 291AverageC$ 580FlexibilityNo cancel feeOn-time63%
Search Southwest flights
JetBlueCheapestC$ 340AverageC$ 381FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 484AverageC$ 670FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets 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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