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Cheap flights from Barcelona-El Prat Airport to San Francisco from £285

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
26 Apr — 3 May1
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 27 March 2026.

Tue 7/414:05
BCN
-
SFO
Nonstop12h 50m
LEVEL
Thu 23/419:40
SFO
-
BCN
Nonstop11h 45m
LEVEL
Deal found 26/3£393
Tue 1/908:00
BCN
-
SFO
1 stop15h 30m
Condor
Tue 15/916:30
SFO
-
BCN
1 stop20h 40m
Condor
Deal found 25/3£435
Mon 13/411:40
BCN
-
SFO
1 stop34h 35m
ITA Airways
Tue 26/515:15
SFO
-
BCN
1 stop34h 35m
ITA Airways
Deal found 25/3£463
Sun 7/622:40
BCN
-
SFO
2 stops51h 25m
TAP AIR PORTUGAL
Sat 25/719:35
SFO
-
BCN
1 stop20h 55m
TAP AIR PORTUGAL
Deal found 22/3£470
Wed 6/508:00
BCN
-
SFO
1 stop16h 25m
United Airlines
Mon 11/517:40
SFO
-
BCN
Nonstop11h 40m
United Airlines
Deal found 23/3£478
Sat 9/506:40
BCN
-
SFO
1 stop17h 45m
United Airlines
Mon 25/518:00
SFO
-
BCN
Nonstop11h 20m
United Airlines
Deal found 26/3£479
Thu 15/1006:40
BCN
-
SFO
1 stop15h 00m
United Airlines
Sat 24/1008:40
SFO
-
BCN
2 stops20h 30m
United Airlines
Deal found 25/3£480
Thu 7/513:50
BCN
-
SFO
1 stop15h 10m
United Airlines
Sun 10/513:45
SFO
-
BCN
1 stop23h 40m
United Airlines
Deal found 26/3£482
Fri 28/806:40
BCN
-
SFO
1 stop15h 00m
United Airlines
Thu 10/913:55
SFO
-
BCN
1 stop23h 30m
United Airlines
Deal found 24/3£482
Wed 2/906:40
BCN
-
SFO
1 stop15h 00m
United Airlines
Wed 16/921:05
SFO
-
BCN
1 stop16h 20m
United Airlines
Deal found 26/3£483
Sat 17/1006:40
BCN
-
SFO
2 stops19h 27m
United Airlines
Sun 1/1105:20
SFO
-
BCN
1 stop22h 50m
United Airlines
Deal found 23/3£484

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 27 March 2026.

Round-trip from

£393

One-way from

£285

Popular in

July

Cheapest in

February

Average price

£473
LEVEL
  • LEVEL
  • 7/4-23/4
  • Nonstop
  • 24h 35m total
  • Barcelona to San Francisco
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 6/9
  • 1 total stop
  • 29h 20m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 27 March 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

Mon 31/8

06:40-12:40

1 stop15h 00m

San Francisco

Mon 14/9

17:50-14:20

Nonstop11h 30m

£479

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 7/5

13:50-20:00

1 stop15h 10m

San Francisco

Sun 10/5

13:45-22:25

1 stop23h 40m

£482

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 7/5

12:50-21:19

1 stop17h 29m

San Francisco

Thu 14/5

16:35-19:35

1 stop18h 00m

£482
Fastest return journey

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 9/5

16:10-19:20

Nonstop12h 10m

San Francisco

Mon 25/5

18:00-14:20

Nonstop11h 20m

£487

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 13/4

15:15-09:16

1 stop27h 01m

San Francisco

Fri 8/5

19:05-08:00

2 stops27h 55m

£494

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 1/5

06:40-20:00

1 stop22h 20m

San Francisco

Sat 16/5

22:35-08:20

1 stop24h 45m

£497

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 4/6

07:40-13:50

1 stop15h 10m

San Francisco

Fri 24/7

13:39-20:15

2 stops21h 36m

£501
Cheapest one-way

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 24/5

21:20-13:50

1 stop25h 30m

£367

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 21/6

22:40-17:05

2 stops51h 25m

£385

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 22/7

12:50-00:31

1 stop20h 41m

£416

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 18 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?

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 13 March 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 71 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, March is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Francisco (average of £255). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £514). 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.

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 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 and British Airways can get you from Barcelona-El Prat Airport to San Francisco in just under 15h. Your travel time can differ by up to 2h 29m. 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, March is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to San Francisco (average of £255). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £514). 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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