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Cheap flights from Barcelona-El Prat Airport to San Francisco from £334

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
21 Apr — 28 Apr1
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 16 April 2025.

Round-trip from

£395

One-way from

£334

Popular in

July

Cheapest in

February

Average price

£437
Scandinavian Airlines
  • Scandinavian Airlines
  • 6/9-23/9
  • 2 total stops
  • 59h 25m total
  • Barcelona to San Francisco
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 3/9
  • 1 total stop
  • 17h 35m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£113 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in April 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 16 April 2025.

Sat 6/919:00BCN - SFO
1 stop30h 30mScandinavian Airlines
Tue 23/919:40SFO - BCN
1 stop28h 55mScandinavian Airlines
Deal found 15/4£395
Sun 19/1022:40BCN - SFO
1 stop24h 50mTAP AIR PORTUGAL
Sat 1/1117:35SFO - BCN
1 stop18h 45mTAP AIR PORTUGAL
Deal found 16/4£415
Sat 3/514:25BCN - SFO
1 stop16h 00mMultiple Airlines
Sun 11/520:00SFO - BCN
Nonstop11h 45mMultiple Airlines
Deal found 15/4£418
Thu 22/516:00BCN - SFO
Nonstop12h 05mLufthansa
Thu 29/521:05SFO - BCN
1 stop15h 35mLufthansa
Deal found 15/4£438
Wed 30/411:40BCN - SFO
1 stop34h 35mITA Airways
Thu 8/515:15SFO - BCN
1 stop15h 40mITA Airways
Deal found 15/4£442
Mon 12/512:15BCN - SFO
1 stop32h 20mUnited Airlines
Mon 26/523:55SFO - BCN
1 stop22h 55mUnited Airlines
Deal found 16/4£443
Sun 11/514:05BCN - SFO
Nonstop12h 55mFinnair
Sun 18/520:00SFO - BCN
Nonstop11h 45mFinnair
Deal found 14/4£463
Fri 30/512:15BCN - SFO
1 stop16h 55mAir Canada
Fri 6/622:55SFO - BCN
2 stops23h 55mAir Canada
Deal found 15/4£465
Sat 24/506:00BCN - SFO
1 stop19h 35mSWISS
Fri 30/514:20SFO - BCN
1 stop33h 30mSWISS
Deal found 16/4£476
Tue 29/410:00BCN - SFO
2 stops42h 14mAustrian Airlines
Mon 5/508:30SFO - BCN
2 stops26h 20mAustrian Airlines
Deal found 15/4£480
Sat 13/906:20BCN - SFO
1 stop14h 25mDelta
Sun 21/907:00SFO - BCN
2 stops17h 00mDelta
Deal found 16/4£503
Sat 17/511:35BCN - SFO
2 stops18h 43mVirgin Atlantic
Sat 7/605:50SFO - BCN
2 stops16h 25mVirgin Atlantic
Deal found 15/4£513

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 16 April 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

Sat 6/9

19:00-16:30

1 stop30h 30m

San Francisco

Tue 23/9

19:40-09:35

1 stop28h 55m

£395

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 3/5

14:25-21:25

1 stop16h 00m

San Francisco

Sun 11/5

20:00-16:45

Nonstop11h 45m

£418

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 1/5

22:40-16:50

1 stop27h 10m

San Francisco

Fri 9/5

20:20-21:50

1 stop16h 30m

£430

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 22/5

16:00-19:05

Nonstop12h 05m

San Francisco

Thu 29/5

21:05-21:40

1 stop15h 35m

£438

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 30/4

11:40-13:15

1 stop34h 35m

San Francisco

Thu 8/5

15:15-15:55

1 stop15h 40m

£442

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 12/5

12:15-11:35

1 stop32h 20m

San Francisco

Mon 26/5

23:55-07:50

1 stop22h 55m

£443

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 11/5

14:05-18:00

Nonstop12h 55m

San Francisco

Sun 18/5

20:00-16:45

Nonstop11h 45m

£463

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 30/5

12:15-20:10

1 stop16h 55m

San Francisco

Fri 6/6

22:55-07:50

2 stops23h 55m

£465

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 5/5

06:00-16:10

1 stop19h 10m

San Francisco

Mon 12/5

10:52-14:05

2 stops18h 13m

£468

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 29/4

10:00-19:14

2 stops42h 14m

San Francisco

Mon 5/5

08:30-19:50

2 stops26h 20m

£480

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 25 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 11 April 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 16 April 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 26% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 16 April 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Barcelona to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,326 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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. 1 airline has flights to San Francisco from Barcelona-El Prat on a regular basis.

  • What are the cheapest airlines flying from Barcelona-El Prat Airport to San Francisco round-trip?

    Scandinavian Airlines, at £395, was found to be the cheapest airline from Barcelona-El Prat Airport to San Francisco.Alternate airlines flying return to your destination include TAP AIR PORTUGAL and Lufthansa. Scandinavian Airlines is priced at 11% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Barcelona-El Prat Airport to San Francisco one-way?

    £334 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on WestJet and Turkish Airlines, with prices starting from £395 and £502, respectively.

  • 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: American Airlines (100%), Qatar Airways (100%), Alaska Airlines (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 £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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Santa Cruz
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

Browse thousands of different options on Cheapflights for your next trip

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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

Top airline flying from Barcelona-El Prat to San Francisco

Discover the top airline that operate flights from Barcelona-El Prat to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£247Average£535FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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