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Cheap flights from Barcelona-El Prat Airport to San Francisco from £254

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
30 Aug — 6 Sep1
1 adult

Cheap 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 25 August 2025.

Round-trip from

£412

One-way from

£254

Popular in

July

Cheapest in

February

Average price

£576
British Airways
  • British Airways
  • 8/12-23/12
  • 2 total stops
  • 49h 53m total
  • Barcelona to San Francisco
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 22/9
  • 1 total stop
  • 26h 25m total
  • Barcelona to San Francisco
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Highest demand for flights based on searches. 21% potential increase in price (£92 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Barcelona-El Prat to San Francisco

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 25 August 2025.

Mon 8/1212:30BCN - SFO
1 stop32h 38mBritish Airways
Tue 23/1217:30SFO - BCN
1 stop17h 15mBritish Airways
Deal found 25/8£412
Fri 3/1012:50BCN - SFO
1 stop20h 09mFinnair
Mon 6/1008:08SFO - BCN
1 stop17h 02mFinnair
Deal found 24/8£412
Wed 29/1011:15BCN - SFO
1 stop16h 30mBritish Airways
Mon 8/1220:40SFO - BCN
1 stop14h 05mBritish Airways
Deal found 25/8£413
Fri 12/1206:50BCN - SFO
1 stop14h 50mUnited Airlines
Sun 18/119:25SFO - BCN
1 stop33h 40mUnited Airlines
Deal found 25/8£415
Thu 11/910:45BCN - SFO
1 stop16h 16mBritish Airways
Sat 27/909:00SFO - BCN
1 stop15h 05mBritish Airways
Deal found 25/8£415
Sat 4/1014:00BCN - SFO
1 stop16h 46mBritish Airways
Sun 19/1021:35SFO - BCN
1 stop26h 30mBritish Airways
Deal found 24/8£416
Sat 13/1206:50BCN - SFO
2 stops27h 25mUnited Airlines
Tue 13/108:30SFO - BCN
1 stop15h 30mUnited Airlines
Deal found 25/8£417
Thu 30/1011:15BCN - SFO
2 stops20h 08mBritish Airways
Mon 8/1220:40SFO - BCN
1 stop14h 05mBritish Airways
Deal found 25/8£418
Sun 9/1121:20BCN - SFO
1 stop26h 40mBritish Airways
Mon 24/1123:59SFO - BCN
1 stop22h 06mBritish Airways
Deal found 23/8£419
Thu 11/906:20BCN - SFO
1 stop14h 25mDelta
Sat 27/913:45SFO - BCN
2 stops18h 25mDelta
Deal found 25/8£420
Sun 2/1121:20BCN - SFO
1 stop26h 40mBritish Airways
Sun 7/1223:59SFO - BCN
1 stop22h 06mBritish Airways
Deal found 25/8£422
Sun 9/1106:40BCN - SFO
2 stops20h 44mBritish Airways
Sun 30/1115:30SFO - BCN
2 stops18h 35mBritish Airways
Deal found 23/8£423

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 25 August 2025.
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

Fri 3/10

12:50-23:59

1 stop20h 09m

San Francisco

Mon 6/10

08:08-10:10

1 stop17h 02m

£412

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 7/12

06:50-12:40

1 stop14h 50m

San Francisco

Fri 16/1

08:25-09:35

1 stop16h 10m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 2/11

21:20-15:00

1 stop26h 40m

San Francisco

Mon 8/12

20:40-19:45

1 stop14h 05m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 12/12

06:50-12:40

1 stop14h 50m

San Francisco

Fri 16/1

08:25-09:35

1 stop16h 10m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 3/11

10:10-18:45

1 stop17h 35m

San Francisco

Mon 8/12

20:40-19:45

1 stop14h 05m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 8/12

13:45-20:10

1 stop15h 25m

San Francisco

Fri 16/1

08:25-09:35

1 stop16h 10m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 29/10

06:40-19:55

2 stops21h 15m

San Francisco

Fri 5/12

17:30-16:30

1 stop14h 00m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 10/12

13:50-20:10

1 stop15h 20m

San Francisco

Thu 15/1

23:55-09:35

2 stops24h 40m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 29/10

11:15-19:45

1 stop16h 30m

San Francisco

Tue 9/12

20:40-19:45

1 stop14h 05m

£413

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 9/12

06:50-12:40

1 stop14h 50m

San Francisco

Fri 16/1

08:25-09:35

1 stop16h 10m

£413

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 21 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 22 August 2025.

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 £538). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £803). 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 25 August 2025.

It’s optimal to fly from Barcelona-El Prat Airport to San Francisco in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

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 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?

    Finnair, United Airlines, and British Airways can get you from Barcelona-El Prat Airport to San Francisco in just under 15h 20m. Your travel time can differ by up to 4h 49m. 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: Vueling (80%), Iberia (71%), easyJet (71%).

  • 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 £538). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £803). 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
South San Francisco
Bodega Bay
Pacific Grove
Union City

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Alternative routes for Barcelona-El Prat to San Francisco

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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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