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Cheap flights from Barcelona-El Prat Airport to San Francisco from £288

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
16 Jul — 23 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 11 July 2025.

Round-trip from

£475

One-way from

£288

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
  • 30h 45m total
  • Barcelona to San Francisco
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Iberia
  • Iberia
  • 23/9
  • Nonstop
  • 13h 05m 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 11 July 2025.

Tue 26/816:00BCN - SFO
Nonstop12h 05mLufthansa
Wed 8/1019:25SFO - BCN
1 stop18h 40mLufthansa
Deal found 10/7£475
Mon 25/820:00BCN - SFO
1 stop29h 10mSWISS
Fri 10/1019:30SFO - BCN
1 stop28h 20mSWISS
Deal found 9/7£478
Mon 25/809:20BCN - SFO
1 stop35h 25mDelta
Wed 8/1008:55SFO - BCN
2 stops21h 45mDelta
Deal found 10/7£478
Sat 30/810:20BCN - SFO
2 stops18h 50mUnited Airlines
Wed 17/1214:40SFO - BCN
1 stop16h 40mUnited Airlines
Deal found 11/7£484
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 10/7£489
Sun 14/907:50BCN - SFO
1 stop18h 25mBritish Airways
Fri 26/916:30SFO - BCN
1 stop17h 35mBritish Airways
Deal found 9/7£493
Sat 29/1106:45BCN - SFO
1 stop17h 00mTAP AIR PORTUGAL
Wed 3/1216:35SFO - BCN
1 stop22h 10mTAP AIR PORTUGAL
Deal found 9/7£494
Thu 21/813:20BCN - SFO
Nonstop13h 05mIberia
Tue 7/1020:10SFO - BCN
Nonstop11h 35mIberia
Deal found 9/7£500
Sun 28/914:05BCN - SFO
Nonstop13h 05mMultiple Airlines
Thu 30/1010:55SFO - BCN
1 stop14h 05mMultiple Airlines
Deal found 10/7£504
Mon 25/820:40BCN - SFO
2 stops25h 00mAustrian Airlines
Mon 8/919:55SFO - BCN
2 stops38h 55mAustrian Airlines
Deal found 11/7£505
Sat 23/806:20BCN - SFO
1 stop16h 05mITA Airways
Mon 8/915:15SFO - BCN
1 stop23h 00mITA Airways
Deal found 11/7£512

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 11 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

19:25-23:05

1 stop18h 40m

£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

09:20-11:45

1 stop35h 25m

San Francisco

Wed 8/10

08:55-15:40

2 stops21h 45m

£478

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 30/8

10:20-20:10

2 stops18h 50m

San Francisco

Wed 17/12

14:40-16:20

1 stop16h 40m

£484

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

Thu 9/10

19:40-08:50

1 stop28h 10m

£489

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 14/9

07:50-17:15

1 stop18h 25m

San Francisco

Fri 26/9

16:30-19:05

1 stop17h 35m

£493

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 29/11

06:45-14:45

1 stop17h 00m

San Francisco

Wed 3/12

16:35-23:45

1 stop22h 10m

£494

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 21/8

13:20-17:25

Nonstop13h 05m

San Francisco

Tue 7/10

20:10-16:45

Nonstop11h 35m

£500

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 28/9

14:05-18:10

Nonstop13h 05m

San Francisco

Thu 30/10

10:55-09:00

1 stop14h 05m

£504

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 20 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 11 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 11 July 2025.

The most flights from BCN to SFO are scheduled on a Thursday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 11 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
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
7.6
Good
811 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
1,312 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
1,655 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
United Airlines
7.4
Good
8,846 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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 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?

    £288 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 £362, 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 £444 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

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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

Fly with Cheapflights

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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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