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Cheap flights from Barcelona-El Prat Airport to San Francisco from £256

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
6 Mar — 13 Mar1
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 4 February 2026.

Wed 18/206:00
BCN
-
SFO
1 stop14h 50m
Multiple Airlines
Sun 8/316:40
SFO
-
BCN
1 stop14h 20m
Multiple Airlines
Deal found 3/2£394
Wed 18/206:00
BCN
-
SFO
1 stop14h 50m
Delta
Wed 4/310:20
SFO
-
BCN
2 stops19h 40m
Delta
Deal found 3/2£395
Tue 3/306:00
BCN
-
SFO
1 stop14h 50m
Delta
Tue 10/316:03
SFO
-
BCN
2 stops17h 02m
Delta
Deal found 3/2£395
Wed 18/206:00
BCN
-
SFO
2 stops19h 09m
Delta
Wed 25/205:55
SFO
-
BCN
2 stops20h 15m
Delta
Deal found 3/2£398
Sun 1/306:00
BCN
-
SFO
2 stops23h 57m
Delta
Sun 8/316:40
SFO
-
BCN
1 stop16h 25m
Delta
Deal found 3/2£399
Tue 17/206:50
BCN
-
SFO
1 stop14h 50m
United Airlines
Sun 8/323:20
SFO
-
BCN
1 stop25h 00m
United Airlines
Deal found 3/2£416
Wed 4/313:00
BCN
-
SFO
1 stop31h 50m
Delta
Tue 7/414:04
SFO
-
BCN
2 stops18h 06m
Delta
Deal found 3/2£416
Tue 17/206:50
BCN
-
SFO
1 stop18h 05m
United Airlines
Wed 4/313:30
SFO
-
BCN
1 stop19h 05m
United Airlines
Deal found 3/2£419
Tue 17/206:50
BCN
-
SFO
1 stop14h 50m
United Airlines
Thu 5/310:35
SFO
-
BCN
2 stops24h 15m
United Airlines
Deal found 3/2£419
Wed 18/206:50
BCN
-
SFO
2 stops23h 30m
United Airlines
Sun 8/316:55
SFO
-
BCN
1 stop31h 25m
United Airlines
Deal found 3/2£420
Thu 5/310:55
BCN
-
SFO
1 stop21h 54m
Delta
Mon 16/316:03
SFO
-
BCN
2 stops17h 02m
Delta
Deal found 2/2£422

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 4 February 2026.

Round-trip from

£394

One-way from

£256

Popular in

July

Cheapest in

February

Average price

£338
Air France
  • Air France
  • 18/2-8/3
  • 2 total stops
  • 29h 10m total
  • Barcelona to San Francisco
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 14/4
  • 1 total stop
  • 17h 35m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£86 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 February 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 4 February 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

Wed 18/2

06:00-15:51

2 stops18h 51m

San Francisco

Wed 4/3

10:20-15:00

2 stops19h 40m

£398

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 4/3

06:00-16:09

2 stops19h 09m

San Francisco

Wed 11/3

16:40-17:05

1 stop16h 25m

£398

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 19/2

06:50-12:40

1 stop14h 50m

San Francisco

Tue 10/3

06:45-09:00

2 stops18h 15m

£416

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 17/2

06:50-12:40

1 stop14h 50m

San Francisco

Sun 8/3

23:20-08:20

1 stop25h 00m

£416

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 18/2

06:00-11:50

1 stop14h 50m

San Francisco

Tue 10/3

16:40-15:00

1 stop14h 20m

£420

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 6/3

10:15-21:11

1 stop19h 56m

San Francisco

Tue 7/4

14:04-17:10

2 stops18h 06m

£422

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 18/2

06:45-16:30

1 stop18h 45m

San Francisco

Fri 6/3

19:25-19:00

1 stop14h 35m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 2/6

06:20-11:45

1 stop14h 25m

San Francisco

Tue 7/7

15:05-17:10

1 stop17h 05m

£438

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 14/4

06:00-14:35

1 stop17h 35m

£256

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 19/5

06:00-14:35

1 stop17h 35m

£257

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 14 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 30 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 £228). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £492). 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?

    Delta and United Airlines can get you from Barcelona-El Prat Airport to San Francisco in just under 14h 50m. Your travel time can differ by up to 4h 01m. 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.

  • 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 £228). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £492). 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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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