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Cheap flights from Barcelona-El Prat Airport to San Francisco from £270

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Barcelona-El Prat to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Barcelona-El Prat to San Francisco
Explore the most affordable flight options available from Barcelona-El Prat to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Sun 1/312:30
BCN
-
SFO
1 stop19h 19m
British Airways
Sun 8/310:36
SFO
-
BCN
2 stops16h 49m
British Airways
Deal found 20/1£384
Sat 7/309:55
BCN
-
SFO
1 stop15h 00m
Lufthansa
Sat 14/322:40
SFO
-
BCN
1 stop16h 25m
Lufthansa
Deal found 21/1£385
Tue 14/410:45
BCN
-
SFO
1 stop17h 46m
British Airways
Tue 21/419:30
SFO
-
BCN
1 stop14h 10m
British Airways
Deal found 22/1£386
Sat 7/310:40
BCN
-
SFO
1 stop21h 30m
British Airways
Sat 14/321:40
SFO
-
BCN
1 stop27h 30m
British Airways
Deal found 21/1£389
Tue 2/614:05
BCN
-
SFO
Nonstop12h 55m
American Airlines
Tue 7/712:26
SFO
-
BCN
1 stop15h 54m
American Airlines
Deal found 20/1£390
Sat 18/406:00
BCN
-
SFO
1 stop20h 35m
TAP AIR PORTUGAL
Thu 30/419:55
SFO
-
BCN
1 stop20h 35m
TAP AIR PORTUGAL
Deal found 22/1£392
Sun 19/406:40
BCN
-
SFO
1 stop17h 45m
United Airlines
Wed 29/414:40
SFO
-
BCN
1 stop20h 05m
United Airlines
Deal found 20/1£392
Mon 20/406:40
BCN
-
SFO
1 stop15h 00m
United Airlines
Wed 29/407:15
SFO
-
BCN
2 stops21h 00m
United Airlines
Deal found 20/1£393
Thu 23/408:00
BCN
-
SFO
1 stop16h 25m
United Airlines
Sun 26/413:45
SFO
-
BCN
1 stop23h 40m
United Airlines
Deal found 21/1£394
Mon 20/406:40
BCN
-
SFO
1 stop15h 00m
United Airlines
Tue 28/410:10
SFO
-
BCN
2 stops20h 25m
United Airlines
Deal found 22/1£395

Find flight deals from Barcelona-El Prat to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) 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 22 January 2026.

Round-trip from

£384

One-way from

£270

Popular in

July

Cheapest in

February

Average price

£450
British Airways
  • British Airways
  • 1/3-8/3
  • 3 total stops
  • 36h 08m total
  • Barcelona to San Francisco
Search Deals
9/2
  • 9/2
  • 3 total stops
  • 32h 45m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Barcelona-El Prat 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 858,174 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Francisco that are best for you.

Fly from

Barcelona-El Prat

Fly to

San Francisco

Route

Depart

Return

Price

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 23/4

08:00-20:00

1 stop21h 00m

San Francisco

Fri 1/5

13:45-22:25

1 stop23h 40m

£392

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 22/4

06:40-12:40

1 stop15h 00m

San Francisco

Wed 29/4

14:40-19:45

1 stop20h 05m

£392

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 2/6

09:45-16:10

1 stop15h 25m

San Francisco

Tue 7/7

16:35-15:40

1 stop14h 05m

£393

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 20/4

06:40-12:40

1 stop15h 00m

San Francisco

Wed 29/4

07:15-13:15

2 stops21h 00m

£393

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 17/4

06:40-12:40

1 stop15h 00m

San Francisco

Fri 1/5

13:45-22:25

1 stop23h 40m

£394

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 23/4

10:20-20:00

1 stop18h 40m

San Francisco

Sun 26/4

21:05-22:25

1 stop16h 20m

£394

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 20/4

06:40-12:40

1 stop15h 00m

San Francisco

Tue 28/4

10:10-15:35

2 stops20h 25m

£395

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 20/4

06:40-01:17

2 stops27h 37m

San Francisco

Fri 1/5

13:45-22:25

1 stop23h 40m

£396

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 7/4

10:45-19:31

1 stop17h 46m

San Francisco

Sun 19/4

07:00-09:05

1 stop17h 05m

£403

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 6/3

19:50-16:30

1 stop29h 40m

San Francisco

Fri 13/3

13:50-23:00

2 stops25h 10m

£409

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 19 results
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Best time to book a flight from Barcelona-El Prat to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Barcelona-El Prat with our price prediction graph.
Estimated return 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 Barcelona-El Prat Airport to San Francisco

How far ahead should I book a flight from Barcelona-El Prat Airport to San Francisco?

Use this chart to determine the optimal time to book a return flight from Barcelona-El Prat to San Francisco. Price data was last updated on 16 January 2026.

To ensure you get the cheapest price possible for a flight from Barcelona-El Prat Airport to San Francisco, you should look to book at least 35 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 Barcelona-El Prat Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Francisco (average of £229). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £500). 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.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat 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 airport do you fly into for flights to San Francisco from Barcelona-El Prat?

    For a flight from Barcelona-El Prat to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 inbound flights from Barcelona-El Prat per day. 0 airlines have flights to San Francisco from Barcelona-El Prat on a regular basis.

  • How long is the flight from Barcelona-El Prat Airport to San Francisco?

    United Airlines can get you from Barcelona-El Prat Airport to San Francisco in just under 21h. Your travel time can differ by up to . Barcelona-El Prat Airport and San Francisco are separated by a distance of 5952 mi.

  • Can I find deals for flights from Barcelona-El Prat to San Francisco that include hotel bookings?

    Yes. In addition to deals on Barcelona-El Prat to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Barcelona-El Prat to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to San Francisco.

  • Can I find deals for business class flights from Barcelona-El Prat to San Francisco?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat 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 Barcelona-El Prat Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Francisco (average of £229). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £500). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
Bodega Bay
South San Francisco
Sunnyvale
Pacific Grove

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Alternative routes for Barcelona-El Prat to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Barcelona-El Prat to Los Angeles flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Barcelona-El Prat to San Francisco?

Deals for Barcelona-El Prat to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Barcelona-El Prat to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Barcelona-El Prat by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Barcelona-El Prat to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Barcelona-El Prat shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Barcelona-El Prat to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from Barcelona-El Prat to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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