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Cheap flights from Barcelona-El Prat Airport to San Francisco from £282

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Barcelona-El Prat to San Francisco

Enter your travel dates to find the best prices.

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 December 2025.

Thu 25/1221:10BCN - SFO
1 stop27h 55mTAP AIR PORTUGAL
Wed 7/116:35SFO - BCN
1 stop22h 10mTAP AIR PORTUGAL
Deal found 6/12£457
Tue 23/1219:50BCN - SFO
1 stop29h 40mSWISS
Wed 18/320:25SFO - BCN
1 stop18h 35mSWISS
Deal found 7/12£463
Wed 24/1209:55BCN - SFO
1 stop15h 00mUnited Airlines
Wed 14/106:25SFO - BCN
2 stops18h 10mUnited Airlines
Deal found 6/12£464
Wed 24/1206:00BCN - SFO
2 stops26h 01mDelta
Wed 14/110:35SFO - BCN
2 stops18h 25mDelta
Deal found 6/12£468
Thu 25/1211:00BCN - SFO
2 stops29h 40mUnited Airlines
Wed 7/113:35SFO - BCN
1 stop14h 25mUnited Airlines
Deal found 7/12£475
Tue 23/1213:50BCN - SFO
1 stop35h 05mUnited Airlines
Wed 18/311:14SFO - BCN
2 stops21h 06mUnited Airlines
Deal found 7/12£476
Wed 24/1206:50BCN - SFO
1 stop18h 05mUnited Airlines
Tue 6/122:35SFO - BCN
2 stops28h 25mUnited Airlines
Deal found 7/12£479
Thu 25/1211:00BCN - SFO
2 stops29h 40mUnited Airlines
Tue 6/122:35SFO - BCN
2 stops28h 25mUnited Airlines
Deal found 7/12£493
Fri 26/1205:50BCN - SFO
1 stop15h 50mUnited Airlines
Tue 6/122:35SFO - BCN
2 stops28h 25mUnited Airlines
Deal found 7/12£523

Find 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 December 2025.

Round-trip from

£388

One-way from

£282

Popular in

July

Cheapest in

February

Average price

£543
Iberia
  • Iberia
  • 3/5-17/5
  • Nonstop
  • 24h 40m total
  • Barcelona to San Francisco
Search Deals
British Airways
  • British Airways
  • 29/1
  • 2 total stops
  • 20h 57m total
  • Barcelona to San Francisco
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 8 December 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

Wed 29/4

06:50-12:40

1 stop14h 50m

San Francisco

Mon 25/5

17:40-14:00

Nonstop11h 20m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 11/2

09:55-15:55

1 stop15h 00m

San Francisco

Tue 24/2

06:00-09:00

2 stops18h 00m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 11/2

09:55-15:55

1 stop15h 00m

San Francisco

Mon 2/3

23:20-08:20

1 stop24h 00m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 16/4

07:50-16:05

1 stop17h 15m

San Francisco

Mon 20/4

22:55-08:20

1 stop24h 25m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 3/3

13:50-20:10

1 stop15h 20m

San Francisco

Mon 16/3

23:20-08:20

1 stop25h 00m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 16/2

05:50-12:40

1 stop15h 50m

San Francisco

Mon 2/3

23:20-08:20

1 stop24h 00m

£437

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 14/4

06:50-16:05

1 stop18h 15m

San Francisco

Tue 21/4

08:10-08:20

1 stop15h 10m

£438

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 20/1

06:50-15:55

1 stop18h 05m

San Francisco

Tue 27/1

06:45-09:00

2 stops17h 15m

£438

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 5/3

06:45-16:30

1 stop18h 45m

San Francisco

Wed 18/3

20:25-23:00

1 stop18h 35m

£440

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 22/4

13:50-20:00

1 stop15h 10m

San Francisco

Thu 7/5

21:05-22:25

1 stop16h 20m

£440

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 20 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 5 December 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 £230). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £503). 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 December 2025.

It’s optimal to fly from Barcelona-El Prat Airport to San Francisco in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at midday.

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. 0 airlines have flights to San Francisco from Barcelona-El Prat on a regular basis.

  • How long is the flight from Barcelona-El Prat Airport to San Francisco?

    British Airways, Iberia, and United Airlines can get you from Barcelona-El Prat Airport to San Francisco in just under 12h 55m. Your travel time can differ by up to 4h 37m. Barcelona-El Prat Airport and San Francisco are separated by a distance of 5952 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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: Vueling (100%), United Airlines (83%), Lufthansa (83%).

  • 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 £230). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of £503). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
South San Francisco
Bodega Bay
Pacific Grove

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Alternative routes for Barcelona-El Prat to San Francisco

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Barcelona-El Prat to Los Angeles 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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