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Cheap flights from Barcelona-El Prat Airport to San Francisco from £327

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
9 Feb — 16 Feb1
1 adult

The best prices from Barcelona-El Prat to San Francisco are usually found in February or September, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 4 February 2025.

Round-trip from

£327

Popular in

July

Cheapest in

February

Average price

£339

Good round-trip deal

£412 or less
Delta
  • Delta
  • 3/3-11/3
  • 2 total stops
  • 29h 05m total
  • Barcelona to San Francisco
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Highest demand for flights based on searches. 25% potential increase in price (£134 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Barcelona-El Prat to San Francisco.
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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 4 February 2025.

Mon 3/306:00BCN - SFO
1 stop14h 50mDelta
Tue 11/316:25SFO - BCN
1 stop14h 15mDelta
Deal found 3/2£327
Mon 24/210:05BCN - SFO
1 stop34h 45mKLM
Mon 10/314:50SFO - BCN
1 stop18h 05mKLM
Deal found 2/2£335
Mon 5/516:00BCN - SFO
Nonstop12h 05mUnited Airlines
Mon 19/517:30SFO - BCN
Nonstop11h 30mUnited Airlines
Deal found 3/2£355
Wed 12/206:45BCN - SFO
1 stop16h 55mTAP AIR PORTUGAL
Wed 19/216:35SFO - BCN
1 stop18h 45mTAP AIR PORTUGAL
Deal found 3/2£370
Thu 23/1016:00BCN - SFO
Nonstop12h 15mLufthansa
Wed 5/1120:35SFO - BCN
1 stop17h 20mLufthansa
Deal found 3/2£398
Tue 28/1020:05BCN - SFO
1 stop29h 20mSWISS
Thu 6/1119:25SFO - BCN
1 stop33h 40mSWISS
Deal found 3/2£416
Mon 24/220:30BCN - SFO
2 stops33h 50mAustrian Airlines
Wed 5/307:15SFO - BCN
2 stops27h 30mAustrian Airlines
Deal found 3/2£418
Mon 10/210:15BCN - SFO
2 stops22h 37mVirgin Atlantic
Mon 10/322:50SFO - BCN
2 stops24h 50mVirgin Atlantic
Deal found 3/2£467
Sat 22/221:15BCN - SFO
2 stops54h 30mBrussels Airlines
Tue 4/320:35SFO - BCN
2 stops32h 55mBrussels Airlines
Deal found 3/2£497

Find flights from Barcelona-El Prat to San Francisco within your budget

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 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 3/3

06:00-11:50

1 stop14h 50m

San Francisco

Tue 11/3

16:25-14:40

1 stop14h 15m

£327

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 24/2

10:05-11:50

1 stop34h 45m

San Francisco

Mon 10/3

14:50-16:55

1 stop18h 05m

£335

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 5/5

16:00-19:05

Nonstop12h 05m

San Francisco

Mon 19/5

17:30-14:00

Nonstop11h 30m

£355

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 3/4

06:00-14:35

1 stop17h 35m

San Francisco

Fri 11/4

16:20-16:55

1 stop15h 35m

£388

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 2/3

09:50-16:25

1 stop15h 35m

San Francisco

Thu 13/3

20:25-14:05

1 stop33h 40m

£416

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 24/2

20:30-21:20

2 stops33h 50m

San Francisco

Wed 5/3

07:15-19:45

2 stops27h 30m

£418

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 2/3

11:45-01:34

1 stop22h 49m

San Francisco

Fri 14/3

18:25-19:45

2 stops17h 20m

£425

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 22/2

21:15-18:45

2 stops54h 30m

San Francisco

Tue 4/3

20:35-14:30

2 stops32h 55m

£497

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 31/5

09:00-18:54

1 stop18h 54m

San Francisco

Sat 31/5

22:45-06:00

1 stop22h 15m

£587

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 27/2

18:05-16:15

1 stop31h 10m

£347

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 22 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.

Travel insights for flights from Barcelona-El Prat to San Francisco

Get recent, data-driven insights about flights from Barcelona-El Prat to San Francisco including ideal travel times, pricing trends, and more.

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 31 January 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 87 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 4 February 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 27% 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 4 February 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
8,415 reviews
Check prices

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,415 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,334 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,284 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

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
7.5
Good
785 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,582 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

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 0 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?

    Delta, at £327, was found to be the cheapest airline from Barcelona-El Prat Airport to San Francisco.Alternate airlines flying return to your destination include KLM and United Airlines. Delta is priced at 31% 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?

    £347 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 Delta and Virgin Atlantic, with prices starting from £440 and £442, respectively.

  • What are the cheapest flights from Barcelona-El Prat Airport to San Francisco?

    While on average a flight from Barcelona-El Prat Airport to San Francisco is generally £496, our data shows the cheapest flight currently is £396. When looking at the most popular route, (Barcelona-El Prat - San Francisco), you can expect to pay £331 for that flight.

  • 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
San Mateo
Los Banos
Vallejo
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 4 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£264Average£573FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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