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Cheap flights from Buffalo to San Francisco from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to San Francisco departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Buffalo to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:59 pm - 12:59 am
BUF
-
SFO
8h 00m
1 stop
United Airlines Logo
10:35 pm - 9:28 am
SFO
-
BUF
7h 53m
1 stop
$267United Airlines
Wed, Aug 26 - Tue, Sep 1
Frontier Logo
12:29 pm - 7:25 pm
BUF
-
SFO
9h 56m
1 stop
Frontier Logo
10:15 pm - 1:55 pm
SFO
-
BUF
12h 40m
1 stop
$279Frontier
Sat, Aug 29 - Tue, Sep 1
Frontier Logo
12:29 pm - 7:25 pm
BUF
-
SFO
9h 56m
1 stop
Frontier Logo
10:15 pm - 1:55 pm
SFO
-
BUF
12h 40m
1 stop
$280Frontier
Sat, Aug 29 - Tue, Sep 1
Frontier Logo
12:29 pm - 7:25 pm
BUF
-
SFO
9h 56m
1 stop
Frontier Logo
10:15 pm - 1:55 pm
SFO
-
BUF
12h 40m
1 stop
$288Frontier
Sat, Aug 29 - Tue, Sep 1
Frontier Logo
11:35 am - 7:26 pm
BUF
-
SFO
10h 51m
1 stop
Frontier Logo
11:00 pm - 10:29 am
SFO
-
BUF
8h 29m
1 stop
$289Frontier
Thu, Jul 2 - Wed, Jul 29
Frontier Logo
12:29 pm - 7:25 pm
BUF
-
SFO
9h 56m
1 stop
Frontier Logo
10:15 pm - 11:34 am
SFO
-
BUF
10h 19m
1 stop
$303Frontier
Sat, Aug 22 - Fri, Aug 28
American Airlines Logo
5:00 am - 12:49 pm
BUF
-
SFO
10h 49m
2 stops
American Airlines Logo
8:00 am - 9:55 pm
SFO
-
BUF
10h 55m
1 stop
$305American Airlines
Wed, Aug 26 - Wed, Sep 2
Frontier Logo
11:29 am - 7:18 pm
BUF
-
SFO
10h 49m
1 stop
Frontier Logo
11:00 pm - 10:29 am
SFO
-
BUF
8h 29m
1 stop
$306Frontier
Thu, Jul 23 - Mon, Jul 27
American Airlines Logo
4:49 pm - 10:40 pm
BUF
-
SFO
8h 51m
1 stop
American Airlines Logo
5:05 am - 3:59 pm
SFO
-
BUF
7h 54m
1 stop
$307American Airlines
Wed, Aug 19 - Mon, Aug 31
American Airlines Logo
5:00 am - 12:49 pm
BUF
-
SFO
10h 49m
2 stops
American Airlines Logo
11:28 pm - 12:06 pm
SFO
-
BUF
9h 38m
1 stop
$309American Airlines
Wed, Aug 19 - Tue, Aug 25

Frontier flights from Buffalo to San Francisco

Our best Frontier deals on Buffalo to San Francisco flight tickets
Frontier
Aug 29
BUF12:29 pmBuffalo
9h 56m
1 stop
SFO7:25 pmSan Francisco
Sep 1
SFO10:15 pmSan Francisco
12h 40m
1 stop
BUF1:55 pmBuffalo
$279
Frontier
Aug 29
BUF12:29 pmBuffalo
9h 56m
1 stop
SFO7:25 pmSan Francisco
Sep 1
SFO10:15 pmSan Francisco
12h 40m
1 stop
BUF1:55 pmBuffalo
$280
Frontier
Aug 29
BUF12:29 pmBuffalo
9h 56m
1 stop
SFO7:25 pmSan Francisco
Sep 1
SFO10:15 pmSan Francisco
12h 40m
1 stop
BUF1:55 pmBuffalo
$288

American Airlines flights from Buffalo to San Francisco

Our best American Airlines deals on Buffalo to San Francisco flight tickets
American Airlines
Aug 26
BUF5:00 amBuffalo
10h 49m
2 stops
SFO12:49 pmSan Francisco
Sep 2
SFO8:00 amSan Francisco
10h 55m
1 stop
BUF9:55 pmBuffalo
$305
American Airlines
Aug 19
BUF4:49 pmBuffalo
8h 51m
1 stop
SFO10:40 pmSan Francisco
Aug 31
SFO5:05 amSan Francisco
7h 54m
1 stop
BUF3:59 pmBuffalo
$307
American Airlines
Aug 19
BUF5:00 amBuffalo
10h 49m
2 stops
SFO12:49 pmSan Francisco
Aug 25
SFO11:28 pmSan Francisco
9h 38m
1 stop
BUF12:06 pmBuffalo
$309

momondo 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, momondo users made 832,500 searches. Data last updated June 4, 2026.
Use the filters below to find and compare flights from Buffalo to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 8/26

7:59 pm-12:59 am

1 stop8h 00m

San Francisco

Tue 9/1

10:35 pm-9:28 am

1 stop7h 53m

$267

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 8/29

12:29 pm-7:25 pm

1 stop9h 56m

San Francisco

Tue 9/1

10:15 pm-1:55 pm

1 stop12h 40m

$279

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 8/29

12:29 pm-7:25 pm

1 stop9h 56m

San Francisco

Tue 9/1

10:15 pm-1:55 pm

1 stop12h 40m

$280

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 8/29

12:29 pm-7:25 pm

1 stop9h 56m

San Francisco

Tue 9/1

10:15 pm-1:55 pm

1 stop12h 40m

$288

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 7/2

11:35 am-7:26 pm

1 stop10h 51m

San Francisco

Wed 7/29

11:00 pm-10:29 am

1 stop8h 29m

$289

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Sat 8/22

12:29 pm-7:25 pm

1 stop9h 56m

San Francisco

Fri 8/28

10:15 pm-11:34 am

1 stop10h 19m

$303

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 8/26

5:00 am-12:49 pm

2 stops10h 49m

San Francisco

Wed 9/2

8:00 am-9:55 pm

1 stop10h 55m

$305

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 7/23

11:29 am-7:18 pm

1 stop10h 49m

San Francisco

Mon 7/27

11:00 pm-10:29 am

1 stop8h 29m

$306

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 8/19

4:49 pm-10:40 pm

1 stop8h 51m

San Francisco

Mon 8/31

5:05 am-3:59 pm

1 stop7h 54m

$307

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 8/19

5:00 am-12:49 pm

2 stops10h 49m

San Francisco

Tue 8/25

11:28 pm-12:06 pm

1 stop9h 38m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Buffalo to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Buffalo and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $312.

What is the cheapest Buffalo to San Francisco flight route?

Fly from Buffalo to San Francisco for the best Buffalo - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $349 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Buffalo for as low as $292 on momondo.

What cabin class options are available on Buffalo to San Francisco flights?

There is only 1 cabin class available to choose from on Buffalo to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Buffalo to San Francisco flight prices changed over time?

As of June 2026, prices for Buffalo to San Francisco flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to San Francisco (BUF to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to San Francisco

Fastest flight time

6h 55m

Direct flights

None
The fastest flight from Buffalo to San Francisco takes 6h 55m
There are no direct flights from Buffalo to San Francisco. There are no popular flight routes from Buffalo to San Francisco.
Search flight deals

Frequently asked questions about flying from Buffalo to San Francisco

  • How far is Buffalo to San Francisco by plane?

    San Francisco is 2291.8 mi away from Buffalo. Typically, this will take 6h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Buffalo Airport to San Francisco Airport?

    Prices for flights from Buffalo Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to San Francisco Airport?

  • How old do you have to be to fly from Buffalo Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to San Francisco?

Best airlines flying from Buffalo to San Francisco

Compare and see reviews for airlines that fly from Buffalo to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $138Free CancellationRating
7.9
8,397 reviews
Search Delta flights
FrontierPriceFrom $165Free CancellationRating
5.6
2,914 reviews
Search Frontier flights
American AirlinesPriceFrom $192Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
JetBluePriceFrom $243Free CancellationRating
7.1
2,983 reviews
Search JetBlue flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,773 reviews
Search United Airlines flights

  • United Airlines Flights From Buffalo to San Francisco

    Across 2 United Airlines flights from Buffalo to San Francisco this week, the average price was $388, with the best United Airlines deals starting from $250 round-trip. 9,773 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Hayward
Roseville
Bodega Bay
Walnut Creek
Santa Clara
Berkeley
Fremont
Vallejo
Sunnyvale
Big Sur
South San Francisco
Pacific Grove
Daly City
Burlingame
Calistoga
Salinas

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to San Francisco. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Buffalo to San Francisco with flexible booking policies on momondo?

Flights from Buffalo to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to San Francisco?

Once you have performed a search for Buffalo to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Buffalo and alert you when they change.

An easier way to manage your San Francisco trip

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