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Cheap flights from Barcelona-El Prat Airport to San Francisco from £303

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
7 Jun — 14 Jun1
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 8 May 2026.

Tue 13/1008:00
BCN
-
SFO
1 stop15h 30m
Condor
Tue 20/1016:30
SFO
-
BCN
1 stop20h 40m
Condor
Deal found 3/5£427
Thu 14/510:45
BCN
-
SFO
1 stop17h 46m
British Airways
Mon 18/516:35
SFO
-
BCN
1 stop19h 05m
British Airways
Deal found 6/5£480
Thu 21/510:45
BCN
-
SFO
1 stop19h 16m
British Airways
Thu 28/516:35
SFO
-
BCN
1 stop16h 45m
British Airways
Deal found 6/5£481
Mon 11/512:50
BCN
-
SFO
1 stop19h 02m
British Airways
Tue 26/519:30
SFO
-
BCN
1 stop28h 50m
British Airways
Deal found 4/5£482
Tue 19/512:50
BCN
-
SFO
1 stop17h 29m
British Airways
Wed 27/516:35
SFO
-
BCN
1 stop17h 00m
British Airways
Deal found 7/5£482
Wed 3/621:20
BCN
-
SFO
1 stop25h 30m
British Airways
Mon 13/715:52
SFO
-
BCN
2 stops19h 48m
British Airways
Deal found 6/5£483
Wed 17/607:40
BCN
-
SFO
1 stop15h 10m
British Airways
Mon 7/916:35
SFO
-
BCN
1 stop14h 50m
British Airways
Deal found 4/5£484
Wed 27/512:50
BCN
-
SFO
1 stop17h 17m
British Airways
Mon 1/607:44
SFO
-
BCN
1 stop14h 01m
British Airways
Deal found 3/5£488
Mon 11/512:50
BCN
-
SFO
1 stop19h 02m
British Airways
Sun 24/521:40
SFO
-
BCN
1 stop24h 55m
British Airways
Deal found 4/5£488
Wed 3/621:20
BCN
-
SFO
1 stop25h 30m
British Airways
Sun 12/721:20
SFO
-
BCN
1 stop25h 15m
British Airways
Deal found 6/5£490
Tue 3/1106:20
BCN
-
SFO
1 stop15h 45m
ITA Airways
Tue 17/1115:05
SFO
-
BCN
1 stop15h 50m
ITA Airways
Deal found 7/5£491

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 8 May 2026.

Round-trip from

£427

One-way from

£303

Popular in

July

Cheapest in

February

Average price

£468
Condor
  • Condor
  • 13/10-20/10
  • 2 total stops
  • 36h 10m total
  • Barcelona to San Francisco
Search Deals
6/6
  • 6/6
  • 1 total stop
  • 16h 40m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£85 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 May 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 8 May 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 3/6

07:40-21:01

2 stops22h 21m

San Francisco

Mon 13/7

06:15-12:05

2 stops20h 50m

£487

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 3/6

21:20-13:50

1 stop25h 30m

San Francisco

Sat 11/7

15:52-20:25

2 stops19h 33m

£496

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 3/6

08:00-15:15

1 stop16h 15m

San Francisco

Mon 13/7

18:00-14:20

Nonstop11h 20m

£535

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 3/6

13:50-19:50

1 stop15h 00m

San Francisco

Sat 11/7

18:00-14:20

Nonstop11h 20m

£536

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 30/5

08:00-15:15

1 stop16h 15m

San Francisco

Tue 14/7

12:00-13:15

1 stop16h 15m

£536

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 1/10

06:40-12:40

1 stop15h 00m

San Francisco

Mon 5/10

06:30-08:20

1 stop16h 50m

£538
Fastest return journey

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 29/5

16:10-19:20

Nonstop12h 10m

San Francisco

Sat 11/7

18:00-14:20

Nonstop11h 20m

£544

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 3/6

16:10-19:20

Nonstop12h 10m

San Francisco

Sun 12/7

18:00-14:20

Nonstop11h 20m

£544

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 5/10

09:20-20:19

2 stops19h 59m

San Francisco

Sun 11/10

08:55-12:30

2 stops18h 35m

£549

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 19/9

10:55-22:39

2 stops20h 44m

San Francisco

Tue 29/9

06:00-08:35

2 stops17h 35m

£550

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 19 resultsSorted by cheapest first
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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?

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 70 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 £421). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £641). 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.

What is the cheapest time of day to fly from BCN to SFO?

Find hourly flight availability from Barcelona-El Prat to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Barcelona-El Prat Airport to San Francisco as you normally would.

How much does it cost for a return flight from Barcelona-El Prat Airport to San Francisco?

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 11.0 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 2 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?

    British Airways and United Airlines can get you from Barcelona-El Prat Airport to San Francisco in just under 16h 15m. Your travel time can differ by up to 6h 06m. Barcelona-El Prat Airport and San Francisco are separated by a distance of 5952 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Barcelona-El Prat Airport to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Barcelona-El Prat Airport to San Francisco on time: Air Canada (100%), United Airlines (100%), Lufthansa (100%).

  • 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 £421). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £641). 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

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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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