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Cheap flights from Barcelona-El Prat Airport to San Francisco from £262

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
15 Jul — 22 Jul1
1 adult

Cheapflights Tip: The best prices from Barcelona-El Prat to San Francisco are usually found in February or November, booked 35 days in advance, depart on a Tuesday or Monday 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 10 July 2025.

Round-trip from

£475

One-way from

£262

Popular in

July

Cheapest in

February

Average price

£623

Good one-way deal

£171 or less
Lufthansa
  • Lufthansa
  • 26/8-8/10
  • 1 total stop
  • 27h 55m total
  • Barcelona to San Francisco
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4/9
  • 4/9
  • 2 total stops
  • 45h 55m total
  • Barcelona to San Francisco
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Highest demand for flights based on searches. 24% potential increase in price (£106 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way 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 10 July 2025.

Tue 26/816:00BCN - SFO
Nonstop12h 05mLufthansa
Wed 8/1014:40SFO - BCN
1 stop15h 50mLufthansa
Deal found 8/7£475
Mon 25/820:00BCN - SFO
1 stop29h 10mSWISS
Fri 10/1019:30SFO - BCN
1 stop28h 20mSWISS
Deal found 9/7£478
Mon 25/813:50BCN - SFO
1 stop31h 50mUnited Airlines
Tue 7/1012:55SFO - BCN
2 stops20h 00mUnited Airlines
Deal found 7/7£478
Mon 25/813:20BCN - SFO
1 stop31h 25mDelta
Tue 7/1011:05SFO - BCN
2 stops18h 45mDelta
Deal found 9/7£479
Sun 14/907:50BCN - SFO
1 stop15h 00mBritish Airways
Wed 24/916:30SFO - BCN
1 stop17h 15mBritish Airways
Deal found 9/7£481
Tue 16/913:15BCN - SFO
1 stop16h 38mAir Canada
Fri 26/908:30SFO - BCN
1 stop14h 20mAir Canada
Deal found 9/7£487
Sun 24/819:00BCN - SFO
1 stop30h 30mScandinavian Airlines
Thu 9/1019:40SFO - BCN
1 stop28h 10mScandinavian Airlines
Deal found 9/7£489
Wed 17/1206:45BCN - SFO
1 stop16h 45mTAP AIR PORTUGAL
Fri 26/1219:10SFO - BCN
1 stop16h 10mTAP AIR PORTUGAL
Deal found 8/7£495
Thu 21/813:20BCN - SFO
Nonstop13h 05mIberia
Tue 7/1020:10SFO - BCN
Nonstop11h 35mIberia
Deal found 9/7£500
Mon 25/810:00BCN - SFO
2 stops35h 40mAustrian Airlines
Mon 8/907:00SFO - BCN
2 stops41h 10mAustrian Airlines
Deal found 9/7£506
Mon 25/821:20BCN - SFO
2 stops24h 20mBrussels Airlines
Sun 5/1014:40SFO - BCN
2 stops20h 50mBrussels Airlines
Deal found 8/7£518

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 10 July 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

Tue 26/8

16:00-19:05

Nonstop12h 05m

San Francisco

Wed 8/10

14:40-15:30

1 stop15h 50m

£475

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 25/8

20:00-16:10

1 stop29h 10m

San Francisco

Fri 10/10

19:30-08:50

1 stop28h 20m

£478

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 25/8

13:20-11:45

1 stop31h 25m

San Francisco

Mon 8/9

12:30-15:40

2 stops18h 10m

£479

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 14/9

07:50-13:50

1 stop15h 00m

San Francisco

Wed 24/9

16:30-18:45

1 stop17h 15m

£481

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 19/10

06:00-16:10

1 stop19h 10m

San Francisco

Sun 26/10

05:10-13:05

1 stop23h 55m

£483

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 11/10

14:05-18:10

Nonstop13h 05m

San Francisco

Sun 19/10

20:10-16:45

Nonstop11h 35m

£483

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 16/9

13:15-20:53

1 stop16h 38m

San Francisco

Fri 26/9

08:30-07:50

1 stop14h 20m

£487

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 24/8

19:00-16:30

1 stop30h 30m

San Francisco

Fri 10/10

19:40-08:50

1 stop28h 10m

£489

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 29/11

06:45-14:45

1 stop17h 00m

San Francisco

Mon 1/12

16:35-17:15

1 stop15h 40m

£494

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 28/8

20:40-12:40

2 stops25h 00m

San Francisco

Fri 5/12

17:25-09:10

2 stops54h 45m

£506

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 18 results
1
2

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 27 June 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 10 July 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.

Weekly flight availability from Barcelona-El Prat Airport to San Francisco

Explore weekly flight availability from Barcelona-El Prat to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 July 2025.

The most flights from BCN to SFO are scheduled on a Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from Barcelona-El Prat Airport to San Francisco?

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 10 July 2025.
Read reviews from past customers who have flown with Delta, Austrian Airlines, andFinnair from Barcelona-El Prat Airport to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,952 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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
806 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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
1,312 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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
1,652 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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
United Airlines
7.4
Good
8,846 reviews
Delta
8.0
Very Good
7,952 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

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. 0 airlines have 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?

    Lufthansa, at £475, was found to be the cheapest airline from Barcelona-El Prat Airport to San Francisco.Alternate airlines flying return to your destination include SWISS and Delta.

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

    £289 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on WestJet and TAP AIR PORTUGAL, with prices starting from £333 and £363, 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%), Vueling (91%), Iberia (90%).

  • 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 £195, our data shows the cheapest flight currently is £171. When looking at the most popular route, (Barcelona-El Prat - San Francisco), you can expect to pay £663 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
Vallejo
Newark
South San Francisco
Bodega Bay
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

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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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