Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buffalo to San Francisco from $100

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 4/8. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buffalo to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:42 pm - 7:19 pm
BUF
-
SFO
9h 37m
1 stop
Frontier Logo
10:38 pm - 12:42 pm
SFO
-
BUF
11h 04m
1 stop
$222Frontier
Mon, Apr 13 - Mon, Apr 20
Frontier Logo
12:32 pm - 5:34 pm
BUF
-
SFO
32h 02m
1 stop
Frontier Logo
10:38 pm - 11:40 am
SFO
-
BUF
10h 02m
1 stop
$237Frontier
Mon, Apr 20 - Wed, Apr 22
Frontier Logo
12:42 pm - 11:25 pm
BUF
-
SFO
37h 43m
2 stops
Frontier Logo
10:38 pm - 12:42 pm
SFO
-
BUF
11h 04m
1 stop
$245Frontier
Mon, Apr 13 - Mon, Apr 20
Frontier Logo
12:42 pm - 7:19 pm
BUF
-
SFO
9h 37m
1 stop
Frontier Logo
10:38 pm - 12:42 pm
SFO
-
BUF
11h 04m
1 stop
$247Frontier
Mon, Apr 13 - Mon, Apr 20
Southwest Logo
4:00 pm - 9:25 pm
BUF
-
SFO
8h 25m
1 stop
Southwest Logo
9:15 pm - 7:50 am
SFO
-
BUF
7h 35m
1 stop
$251Southwest
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
7:00 am - 1:23 pm
BUF
-
SFO
9h 23m
1 stop
United Airlines Logo
11:56 pm - 9:41 am
SFO
-
BUF
6h 45m
1 stop
$252United Airlines
Thu, Apr 30 - Sat, May 9
Southwest Logo
1:10 pm - 7:55 pm
BUF
-
SFO
9h 45m
2 stops
Southwest Logo
9:15 pm - 7:50 am
SFO
-
BUF
7h 35m
1 stop
$256Southwest
Tue, Apr 14 - Tue, Apr 21
Delta Logo
12:50 pm - 7:03 pm
BUF
-
SFO
9h 13m
1 stop
Delta Logo
5:50 am - 3:13 pm
SFO
-
BUF
6h 23m
1 stop
$257Delta
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
7:00 am - 1:23 pm
BUF
-
SFO
9h 23m
1 stop
United Airlines Logo
11:56 pm - 9:41 am
SFO
-
BUF
6h 45m
1 stop
$258United Airlines
Thu, Apr 30 - Mon, May 11
Delta Logo
12:07 pm - 8:25 pm
BUF
-
SFO
11h 18m
1 stop
Delta Logo
8:00 am - 6:35 pm
SFO
-
BUF
7h 35m
1 stop
$260Delta
Fri, Apr 10 - Wed, Apr 15

Southwest flights from Buffalo to San Francisco

Our best Southwest deals on Buffalo to San Francisco flight tickets
Southwest
Apr 14
BUF4:00 pmBuffalo
8h 25m
1 stop
SFO9:25 pmSan Francisco
Apr 21
SFO9:15 pmSan Francisco
7h 35m
1 stop
BUF7:50 amBuffalo
$251
Southwest
Apr 14
BUF1:10 pmBuffalo
9h 45m
2 stops
SFO7:55 pmSan Francisco
Apr 21
SFO9:15 pmSan Francisco
7h 35m
1 stop
BUF7:50 amBuffalo
$256
Southwest
Apr 24
BUF4:00 pmBuffalo
10h 20m
1 stop
SFO11:20 pmSan Francisco
Apr 28
SFO11:25 pmSan Francisco
7h 55m
1 stop
BUF10:20 amBuffalo
$257

United Airlines flights from Buffalo to San Francisco

Our best United Airlines deals on Buffalo to San Francisco flight tickets
United Airlines
Apr 30
BUF7:00 amBuffalo
9h 23m
1 stop
SFO1:23 pmSan Francisco
May 9
SFO11:56 pmSan Francisco
6h 45m
1 stop
BUF9:41 amBuffalo
$252
United Airlines
Apr 30
BUF7:00 amBuffalo
9h 23m
1 stop
SFO1:23 pmSan Francisco
May 11
SFO11:56 pmSan Francisco
6h 45m
1 stop
BUF9:41 amBuffalo
$258
United Airlines
Apr 30
BUF7:00 amBuffalo
9h 23m
1 stop
SFO1:23 pmSan Francisco
May 9
SFO12:45 pmSan Francisco
7h 20m
1 stop
BUF11:05 pmBuffalo
$272

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 March 5, 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

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 4/13

12:42 pm-7:19 pm

1 stop9h 37m

San Francisco

Mon 4/20

10:38 pm-12:42 pm

1 stop11h 04m

$222

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 4/20

12:32 pm-5:34 pm

1 stop32h 02m

San Francisco

Wed 4/22

10:38 pm-11:40 am

1 stop10h 02m

$237

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 4/13

12:42 pm-11:25 pm

2 stops37h 43m

San Francisco

Mon 4/20

10:38 pm-12:42 pm

1 stop11h 04m

$245

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Mon 4/13

12:42 pm-7:19 pm

1 stop9h 37m

San Francisco

Mon 4/20

10:38 pm-12:42 pm

1 stop11h 04m

$247

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 4/14

4:00 pm-9:25 pm

1 stop8h 25m

San Francisco

Tue 4/21

9:15 pm-7:50 am

1 stop7h 35m

$251

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 4/30

7:00 am-1:23 pm

1 stop9h 23m

San Francisco

Sat 5/9

11:56 pm-9:41 am

1 stop6h 45m

$252

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 4/14

1:10 pm-7:55 pm

2 stops9h 45m

San Francisco

Tue 4/21

9:15 pm-7:50 am

1 stop7h 35m

$256

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 4/14

12:50 pm-7:03 pm

1 stop9h 13m

San Francisco

Tue 4/21

5:50 am-3:13 pm

1 stop6h 23m

$257

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 4/30

7:00 am-1:23 pm

1 stop9h 23m

San Francisco

Mon 5/11

11:56 pm-9:41 am

1 stop6h 45m

$258

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 4/10

12:07 pm-8:25 pm

1 stop11h 18m

San Francisco

Wed 4/15

8:00 am-6:35 pm

1 stop7h 35m

$260

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $290.

How far in advance should I book a flight 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 $341 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 $280 on momondo.

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

As of March 2026, prices for Buffalo to San Francisco flights are approximately 1% 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 59m

Direct flights

Sun

Airports in San Francisco

1 airport
The fastest flight from Buffalo to San Francisco takes 6h 59m
Direct flights go from Buffalo to San Francisco on Sunday. There are no airlines offering direct flights.
There is 1 airport in San Francisco. From Buffalo there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is Buffalo to San Francisco by plane?

    San Francisco is 2292.1 mi away from Buffalo. Typically, this will take 6h 59m 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
FrontierPriceFrom $108Free CancellationRating
5.7
3,041 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,250 reviews
Search Delta flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,308 reviews
Search Southwest flights
American AirlinesPriceFrom $216Free CancellationRating
7.1
11,382 reviews
Search American Airlines flights
JetBluePriceFrom $243Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,388 reviews
Search United Airlines flights

  • United Airlines Flights From Buffalo to San Francisco

    Across 1 United Airlines flight from Buffalo to San Francisco this week, the average price was $388, with the best United Airlines deals starting from $250 round-trip. 9,388 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
Bodega Bay
Roseville
Walnut Creek
Hayward
Santa Clara
Berkeley
Big Sur
Calistoga
Fremont
Vallejo
Half Moon Bay
Salinas
Daly City
Sunnyvale
Pacific Grove
Turlock

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/4
Sat 4/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States