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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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
13 Mar — 20 Mar1
1 adult

The best prices from Barcelona-El Prat to San Francisco are usually found in February or September, booked 35 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 8 March 2025.

Round-trip from

£366

One-way from

£334

Popular in

July

Cheapest in

February

Average price

£413

Good round-trip deal

£394 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 26/8-9/9
  • 3 total stops
  • 46h 40m total
  • Barcelona to San Francisco
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/6
  • 1 total stop
  • 17h 30m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£122 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in March 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 8 March 2025.

Tue 26/822:40BCN - SFO
1 stop24h 55mTAP AIR PORTUGAL
Tue 9/918:45SFO - BCN
2 stops21h 45mTAP AIR PORTUGAL
Deal found 7/3£366
Sat 22/1119:00BCN - SFO
1 stop28h 35mScandinavian Airlines
Sat 29/1116:40SFO - BCN
1 stop16h 30mScandinavian Airlines
Deal found 8/3£379
Wed 12/311:40BCN - SFO
1 stop34h 25mITA Airways
Tue 18/316:05SFO - BCN
1 stop15h 50mITA Airways
Deal found 7/3£431
Mon 5/506:00BCN - SFO
1 stop19h 10mUnited Airlines
Mon 19/517:30SFO - BCN
Nonstop11h 30mUnited Airlines
Deal found 8/3£434
Thu 24/412:50BCN - SFO
1 stop20h 20mFinnair
Sat 10/520:00SFO - BCN
Nonstop11h 45mFinnair
Deal found 7/3£465
Thu 16/1016:00BCN - SFO
Nonstop12h 15mLufthansa
Mon 3/1113:35SFO - BCN
1 stop24h 20mLufthansa
Deal found 8/3£466
Tue 28/1020:05BCN - SFO
1 stop29h 20mSWISS
Thu 13/1119:25SFO - BCN
1 stop33h 40mSWISS
Deal found 7/3£468
Mon 26/506:20BCN - SFO
1 stop14h 25mDelta
Sun 1/621:00SFO - BCN
1 stop24h 00mDelta
Deal found 7/3£488
Thu 20/306:25BCN - SFO
1 stop15h 40mMultiple Airlines
Thu 27/307:25SFO - BCN
2 stops19h 25mMultiple Airlines
Deal found 6/3£495
Mon 5/509:00BCN - SFO
2 stops24h 08mVirgin Atlantic
Sun 18/507:10SFO - BCN
1 stop19h 45mVirgin Atlantic
Deal found 8/3£496
Thu 24/420:40BCN - SFO
2 stops26h 00mAustrian Airlines
Thu 25/913:05SFO - BCN
2 stops59h 05mAustrian Airlines
Deal found 7/3£562
Sun 25/514:05BCN - SFO
Nonstop12h 55mVueling
Sun 1/620:00SFO - BCN
Nonstop11h 45mVueling
Deal found 7/3£564

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 8 March 2025.

Fly from

Barcelona-El Prat

Fly to

San Francisco

Route

Depart

Return

Price

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 26/8

22:40-14:35

1 stop24h 55m

San Francisco

Tue 9/9

18:45-01:30

2 stops21h 45m

£366

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 5/5

06:00-16:10

1 stop19h 10m

San Francisco

Tue 20/5

08:15-07:50

1 stop14h 35m

£434

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 9/6

16:00-19:05

Nonstop12h 05m

San Francisco

Mon 8/9

17:30-14:00

Nonstop11h 30m

£453

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 24/4

12:50-00:10

1 stop20h 20m

San Francisco

Sat 10/5

20:00-16:45

Nonstop11h 45m

£462

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 2/5

06:00-16:10

1 stop19h 10m

San Francisco

Tue 6/5

19:40-23:35

2 stops18h 55m

£474

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 26/5

06:20-11:45

1 stop14h 25m

San Francisco

Sun 1/6

21:00-06:00

1 stop24h 00m

£488

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 20/3

06:25-14:05

1 stop15h 40m

San Francisco

Thu 27/3

07:25-10:50

2 stops19h 25m

£495

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 5/5

09:00-00:08

2 stops24h 08m

San Francisco

Sun 18/5

07:30-11:55

2 stops19h 25m

£496

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 20/3

06:25-14:05

1 stop15h 40m

San Francisco

Thu 27/3

16:05-23:15

1 stop23h 10m

£500

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 26/5

21:20-12:40

2 stops24h 20m

San Francisco

Sun 1/6

13:00-20:30

2 stops22h 30m

£511

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 26 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 28 February 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 8 March 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 8 March 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
8,024 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
8,024 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
1,322 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
1,271 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
765 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
1,566 reviews
Delta
8.0
Very Good
8,024 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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?

    TAP AIR PORTUGAL, at £366, was found to be the cheapest airline from Barcelona-El Prat Airport to San Francisco.Alternate airlines flying return to your destination include United Airlines and Lufthansa. TAP AIR PORTUGAL is priced at 20% 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 KLM and Delta, with prices starting from £476 and £480, 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 £474, our data shows the cheapest flight currently is £379. When looking at the most popular route, (Barcelona-El Prat - San Francisco), you can expect to pay £505 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 8 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£253Average£538FlexibilityNo 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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