What is the cheapest airline that flies from Buffalo to San Francisco?

United Airlines, Delta, and JetBlue are the most popular carriers operating from Buffalo to San Francisco

Which airlines fly to San Francisco?

Southwest, Frontier and American Airlines are the top three most popular airlines that fly to San Francisco from Buffalo according to our data. Southwest is the first choice among our users, with 45% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Buffalo to San Francisco?

Flights via Chicago (MDW) offer the lowest average round-trip price of C$ 320.

Which layover airport has the shortest travel time from Buffalo to San Francisco?

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 8h 00m.

Which airport is the most popular layover for flights between Buffalo and San Francisco?

Chicago (MDW) was the most common stop: 44% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest connection time from Buffalo to San Francisco?

Chicago (MDW) has the shortest average layover time for this route: 1h 16m.

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 were last updated today.

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

The number of operators available for flights from Buffalo Airport to San Francisco Airport is 6 as of October 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 128 Cheap Flights from Buffalo to San Francisco in 2025/26

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2:42 p.m. - 9:11 p.m.BUF-SFO

9h 29m1 stop

10:23 p.m. - 1:47 p.m.SFO-BUF

12h 24m1 stop

C$ 193Frontier

Find Deal

Thu, 13 Nov - Sat, 15 Nov

5:00 p.m. - 11:58 p.m.BUF-SFO

9h 58m1 stop

9:00 p.m. - 9:20 a.m.SFO-BUF

9h 20m1 stop

C$ 303JetBlue

Find Deal

Tue, 9 Dec - Sun, 14 Dec

6:15 a.m. - 11:00 a.m.BUF-SFO

7h 45m1 stop

9:25 p.m. - 7:55 a.m.SFO-BUF

7h 30m1 stop

C$ 351Southwest

Find Deal

Tue, 9 Dec - Sat, 13 Dec

9:14 a.m. - 2:23 p.m.BUF-SFO

8h 09m1 stop

12:10 p.m. - 10:59 p.m.SFO-BUF

7h 49m1 stop

C$ 359Delta

Find Deal

Fri, 5 Dec - Thu, 22 Jan

7:30 p.m. - 1:15 a.m.BUF-SFO

8h 45m1 stop

10:40 a.m. - 9:15 p.m.SFO-BUF

7h 35m1 stop

C$ 377United Airlines

Find Deal

Wed, 26 Nov - Wed, 3 Dec

5:24 p.m. - 11:11 p.m.BUF-SFO

8h 47m1 stop

10:40 p.m. - 9:45 a.m.SFO-BUF

8h 05m1 stop

C$ 404United Airlines

Find Deal

Fri, 20 Feb - Mon, 9 Mar

6:03 a.m. - 5:58 p.m.BUF-SFO

14h 55m2 stops

10:54 p.m. - 9:53 a.m.SFO-BUF

7h 59m1 stop

C$ 416Delta

Find Deal

Tue, 6 Jan - Wed, 21 Jan

6:00 a.m. - 1:20 p.m.BUF-SFO

10h 20m1 stop

9:25 p.m. - 8:15 a.m.SFO-BUF

7h 50m1 stop

C$ 423Southwest

Find Deal

Wed, 12 Nov - Sun, 16 Nov

6:00 a.m. - 12:23 p.m.BUF-SFO

9h 23m1 stop

11:35 p.m. - 12:08 p.m.SFO-BUF

9h 33m1 stop

C$ 517American Airlines

Find Deal

Wed, 24 Dec - Sat, 10 Jan

6:00 a.m. - 12:23 p.m.BUF-SFO

9h 23m1 stop

8:00 a.m. - 9:06 p.m.SFO-BUF

10h 06m1 stop

C$ 521American Airlines

Find Deal

Thu, 25 Dec - Mon, 12 Jan

JetBlue flights from Buffalo to San Francisco

Our best JetBlue deals on Buffalo to San Francisco flight tickets

JetBlue

9 Dec

BUF5:00 p.m.Buffalo

9h 58m

1 stop

SFO11:58 p.m.San Francisco

14 Dec

SFO9:00 p.m.San Francisco

9h 20m

1 stop

BUF9:20 a.m.Buffalo

C$ 303

Find similar

JetBlue

4 Feb

BUF2:45 p.m.Buffalo

12h 39m

1 stop

SFO12:24 a.m.San Francisco

11 Feb

SFO12:30 p.m.San Francisco

8h 25m

1 stop

BUF11:55 p.m.Buffalo

C$ 342

Find similar

JetBlue

7 Jan

BUF2:45 p.m.Buffalo

12h 39m

1 stop

SFO12:24 a.m.San Francisco

23 Jan

SFO8:45 p.m.San Francisco

9h 19m

1 stop

BUF9:04 a.m.Buffalo

C$ 348

Find similar

Southwest flights from Buffalo to San Francisco

Our best Southwest deals on Buffalo to San Francisco flight tickets

Southwest

9 Dec

BUF6:15 a.m.Buffalo

7h 45m

1 stop

SFO11:00 a.m.San Francisco

13 Dec

SFO9:25 p.m.San Francisco

7h 30m

1 stop

BUF7:55 a.m.Buffalo

C$ 350

Find similar

Southwest

12 Nov

BUF6:00 a.m.Buffalo

10h 20m

1 stop

SFO1:20 p.m.San Francisco

16 Nov

SFO9:25 p.m.San Francisco

7h 50m

1 stop

BUF8:15 a.m.Buffalo

C$ 423

Find similar

Southwest

20 Feb

BUF3:45 p.m.Buffalo

10h 10m

2 stops

SFO10:55 p.m.San Francisco

9 Mar

SFO9:20 p.m.San Francisco

7h 55m

1 stop

BUF8:15 a.m.Buffalo

C$ 451

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 13/11

2:42 p.m.-9:11 p.m.

1 stop9h 29m

San Francisco

Sat 15/11

10:23 p.m.-1:47 p.m.

1 stop12h 24m

C$ 193

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 9/12

5:00 p.m.-11:58 p.m.

1 stop9h 58m

San Francisco

Sun 14/12

9:00 p.m.-9:20 a.m.

1 stop9h 20m

C$ 303

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 9/12

6:15 a.m.-11:00 a.m.

1 stop7h 45m

San Francisco

Sat 13/12

9:25 p.m.-7:55 a.m.

1 stop7h 30m

C$ 350

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 5/12

9:14 a.m.-2:23 p.m.

1 stop8h 09m

San Francisco

Thu 22/1

12:10 p.m.-10:59 p.m.

1 stop7h 49m

C$ 359

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 26/11

7:30 p.m.-1:15 a.m.

1 stop8h 45m

San Francisco

Wed 3/12

10:40 a.m.-9:15 p.m.

1 stop7h 35m

C$ 377

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Fri 20/2

5:24 p.m.-11:11 p.m.

1 stop8h 47m

San Francisco

Mon 9/3

10:40 p.m.-9:45 a.m.

1 stop8h 05m

C$ 404

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Tue 6/1

6:03 a.m.-5:58 p.m.

2 stops14h 55m

San Francisco

Wed 21/1

10:54 p.m.-9:53 a.m.

1 stop7h 59m

C$ 416

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 12/11

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Francisco

Sun 16/11

9:25 p.m.-8:15 a.m.

1 stop7h 50m

C$ 423

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Wed 24/12

6:00 a.m.-12:23 p.m.

1 stop9h 23m

San Francisco

Sat 10/1

11:35 p.m.-12:08 p.m.

1 stop9h 33m

C$ 517

BuffaloSan Francisco

BUF - SFO

BUFSFO

Buffalo

Thu 25/12

6:00 a.m.-12:23 p.m.

1 stop9h 23m

San Francisco

Mon 12/1

8:00 a.m.-9:06 p.m.

1 stop10h 06m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Buffalo is in August. Flight prices, which tend to average around C$ 409, are often lower during this time because this is during the off-season. The month of January is another great option to travel to San Francisco, with average flight prices from Buffalo averaging around C$ 459.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Buffalo to San Francisco is on a Wednesday. Travellers who choose to depart for San Francisco on a Wednesday will often find tickets for as low as C$ 453. On the other hand, Sunday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 680.

What is the cheapest time of day to depart on your flight to San Francisco?

Flying to San Francisco from Buffalo in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 481 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to San Francisco is at noon when prices are around C$ 577.

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 C$ 495 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 C$ 367 on momondo.

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

As of October 2025, prices for Buffalo to San Francisco flights are approximately 46% 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

Direct flights	None

There are no direct flights from Buffalo to San Francisco. There are no popular flight routes from Buffalo to San Francisco.

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How far is Buffalo to San Francisco by plane?
The distance between Buffalo and San Francisco is about 3688.7 km. By plane, this route typically takes 7h 25m.
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 were last updated today.
How many operators does momondo search for flights from Buffalo Airport to San Francisco Airport?
The number of operators available for flights from Buffalo Airport to San Francisco Airport is 6 as of October 2025.
How old do you have to be to fly from Buffalo Airport to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Buffalo to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Buffalo to San Francisco is Southwest, representing 34% of all bookings. The subsequent popular airlines are Frontier at 19%, American Airlines at 16%, and United Airlines at 14%.

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
Delta	PriceFrom C$ 193	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Frontier	PriceFrom C$ 195	Free Cancellation	Rating 5.8 3,123 reviews	Search Frontier flights
Southwest	PriceFrom C$ 259	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom C$ 308	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights
JetBlue	PriceFrom C$ 360	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
United Airlines	PriceFrom C$ 386	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights

San Mateo

Belmont

Los Altos

San Bruno

Santa Cruz

Newark

Fremont

Carmel-by-the-Sea

Turlock

South San Francisco

Palo Alto

Sunnyvale

Santa Clara

Cupertino

Mill Valley

Morgan Hill

Los Banos

Mountain View

Pacifica

Woodland

Why use momondo?

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

It is quick and easy to find Buffalo to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Yes. momondo allows you to filter the results for Buffalo to San Francisco flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to San Francisco.

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

Price alerts on flights to San Francisco from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Sat 6/12

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Cheap flights from Buffalo to San Francisco from C$ 176

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 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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JetBlue flights from Buffalo to San Francisco

Our best JetBlue deals on Buffalo to San Francisco flight tickets

Southwest flights from Buffalo to San Francisco

Our best Southwest deals on Buffalo to San Francisco flight tickets

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Use the filters below to find and compare flights from Buffalo to San Francisco that are best for you.

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?

What is the cheapest day to depart on your flight to San Francisco?

What is the cheapest time of day to depart on your flight to San Francisco?

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

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

As of October 2025, prices for Buffalo to San Francisco flights are approximately 46% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Buffalo to San Francisco?

United Airlines, Delta, and JetBlue are the most popular carriers operating from Buffalo to San Francisco

Which airlines fly to San Francisco?

Which airport is the most popular layover for flights between Buffalo and San Francisco?

Chicago (MDW) was the most common stop: 44% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Buffalo to San Francisco?

Flights via Chicago (MDW) offer the lowest average round-trip price of C$ 320.

Which layover airport has the shortest travel time from Buffalo to San Francisco?

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 8h 00m.

Which layover airport has the shortest connection time from Buffalo to San Francisco?

Chicago (MDW) has the shortest average layover time for this route: 1h 16m.

When to book flights from Buffalo to San Francisco

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

Direct flights

How far is Buffalo to San Francisco by plane?

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

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?

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

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

Travelling to a place near San Francisco?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California