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

British Airways, Iberia, and TAP AIR PORTUGAL are the most popular carriers operating from Barcelona to San Francisco

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

Prices for flights from Barcelona to San Francisco Airport were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to San Francisco Airport.

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

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£316 Cheap Flights from Barcelona to San Francisco in 2025/26

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Find the cheapest flights from Barcelona to San Francisco

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One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 13:50BCN-SFO

15h 00m1 stop

16:35 - 18:35SFO-BCN

17h 00m1 stop

£390British Airways

Find Deal

Sun, 26 Apr - Fri, 8 May

06:45 - 16:30BCN-SFO

18h 45m1 stop

22:40 - 09:35SFO-BCN

25h 55m2 stops

£391United Airlines

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Sun, 9 Nov - Sun, 16 Nov

14:05 - 18:00BCN-SFO

12h 55mdirect

19:45 - 16:30SFO-BCN

11h 45mdirect

£393Iberia

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Tue, 14 Apr - Sun, 26 Apr

12:30 - 22:28BCN-SFO

18h 58m1 stop

12:51 - 19:55SFO-BCN

22h 04m2 stops

£398Multiple Airlines

Find Deal

Thu, 4 Dec - Tue, 9 Dec

12:30 - 22:28BCN-SFO

18h 58m1 stop

12:51 - 19:55SFO-BCN

22h 04m2 stops

£399Multiple Airlines

Find Deal

Thu, 4 Dec - Tue, 9 Dec

06:00 - 20:38BCN-SFO

23h 38m2 stops

10:30 - 14:00SFO-BCN

18h 30m2 stops

£404Delta

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Mon, 17 Nov - Mon, 8 Dec

06:00 - 20:38BCN-SFO

23h 38m2 stops

15:40 - 17:05SFO-BCN

16h 25m1 stop

£405Delta

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Mon, 17 Nov - Mon, 8 Dec

06:45 - 16:30BCN-SFO

18h 45m1 stop

12:50 - 19:00SFO-BCN

21h 10m2 stops

£411SWISS

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Thu, 20 Nov - Wed, 3 Dec

14:05 - 18:00BCN-SFO

12h 55mdirect

19:45 - 16:30SFO-BCN

11h 45mdirect

£436Iberia

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Sun, 19 Apr - Thu, 23 Apr

19:50 - 17:00BCN-SFO

30h 10m2 stops

12:50 - 19:00SFO-BCN

21h 10m2 stops

£437SWISS

Find Deal

Tue, 23 Dec - Thu, 8 Jan

Delta flights from Barcelona to San Francisco

Our best Delta deals on Barcelona to San Francisco flight tickets

Delta

8 Nov

BCN06:00Barcelona-El Prat

14h 50m

1 stop

SFO11:50San Francisco

27 Nov

SFO05:50San Francisco

20h 20m

2 stops

BCN11:10Barcelona-El Prat

£398

Find similar

Delta

8 Nov

BCN06:00Barcelona-El Prat

14h 50m

1 stop

SFO11:50San Francisco

24 Nov

SFO10:30San Francisco

19h 30m

2 stops

BCN15:00Barcelona-El Prat

£400

Find similar

Delta

11 Nov

BCN06:00Barcelona-El Prat

14h 50m

1 stop

SFO11:50San Francisco

27 Nov

SFO07:05San Francisco

19h 05m

2 stops

BCN11:10Barcelona-El Prat

£401

Find similar

SWISS flights from Barcelona to San Francisco

Our best SWISS deals on Barcelona to San Francisco flight tickets

SWISS

20 Nov

BCN06:45Barcelona-El Prat

18h 45m

1 stop

SFO16:30San Francisco

3 Dec

SFO12:50San Francisco

21h 10m

2 stops

BCN19:00Barcelona-El Prat

£411

Find similar

SWISS

23 Dec

BCN19:50Barcelona-El Prat

30h 10m

2 stops

SFO17:00San Francisco

8 Jan

SFO12:50San Francisco

21h 10m

2 stops

BCN19:00Barcelona-El Prat

£437

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 26/4

07:50-13:50

1 stop15h 00m

San Francisco

Fri 8/5

16:35-18:35

1 stop17h 00m

£390

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 9/11

06:45-16:30

1 stop18h 45m

San Francisco

Sun 16/11

22:40-09:35

2 stops25h 55m

£391

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 14/4

14:05-18:00

Nonstop12h 55m

San Francisco

Sun 26/4

19:45-16:30

Nonstop11h 45m

£393

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 4/12

12:30-22:28

1 stop18h 58m

San Francisco

Tue 9/12

12:51-19:55

2 stops22h 04m

£398

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 4/12

12:30-22:28

1 stop18h 58m

San Francisco

Tue 9/12

12:51-19:55

2 stops22h 04m

£399

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 17/11

06:00-20:38

2 stops23h 38m

San Francisco

Mon 8/12

10:30-14:00

2 stops18h 30m

£404

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 17/11

06:00-20:38

2 stops23h 38m

San Francisco

Mon 8/12

15:40-17:05

1 stop16h 25m

£405

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 20/11

06:45-16:30

1 stop18h 45m

San Francisco

Wed 3/12

12:50-19:00

2 stops21h 10m

£411

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 19/4

14:05-18:00

Nonstop12h 55m

San Francisco

Thu 23/4

19:45-16:30

Nonstop11h 45m

£436

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 23/12

19:50-17:00

2 stops30h 10m

San Francisco

Thu 8/1

12:50-19:00

2 stops21h 10m

£437

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Barcelona 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

Other information

What is the cheapest month to fly to San Francisco?

The month of February is, on average, the cheapest month to fly to San Francisco from Barcelona, with most prices found around £313. If you are unable to visit San Francisco during the month of February, then departing from Barcelona during the month March is also very affordable. Most momondo users find prices during this month for around £391.

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

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from Barcelona to San Francisco during this time can be as low as £401. Try not to purchase tickets in the afternoon because they tend to be around £467. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Barcelona to San Francisco flight route?

Fly from Barcelona-El Prat to San Francisco for the best Barcelona - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £478 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Barcelona for as low as £423 on momondo.

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

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

Cheap Barcelona to San Francisco flight deals and tips

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

Fastest flight time	12h 15m
Direct flights	Mon, Wed and Fri
Airports in San Francisco	1 airport

The fastest flight from Barcelona to San Francisco takes 12h 15m

Direct flights go from Barcelona to San Francisco on Monday, Wednesday and Friday. There are no airlines offering direct flights..

There is 1 airport near San Francisco: San Francisco (SFO)

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How far is Barcelona to San Francisco by plane?
The straight-line distance from Barcelona to San Francisco is 5942.9 mi. Flights usually cover this in 12h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Barcelona to San Francisco Airport?
Prices for flights from Barcelona to San Francisco Airport were last updated today.
How old do you have to be to fly from Barcelona to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Carmel-by-the-Sea

Santa Clara

Seaside

Big Sur

Rohnert Park

Sunnyvale

San Ramon

South San Francisco

Capitola

Campbell

Palo Alto

Sausalito

San Bruno

Woodland

Santa Cruz

Redwood City

Burlingame

Modesto

Aptos

Fremont

Why use momondo?

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

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

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

Flights from Barcelona 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 Barcelona to San Francisco?

Once all potential Barcelona to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to San Francisco from Barcelona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.