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$405+ Cheap flights from Barcelona-El Prat (BCN) to San Francisco (SFO)

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from Barcelona-El Prat to San Francisco with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Barcelona-El Prat to San Francisco are usually found in February or March, booked 35 days in advance, depart on a Wednesday or Friday and return on a Tuesday

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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$514
(Air Canada)

One-way from

$405
(FlightHub)

Popular in

July

Cheapest in

February

Average price

$615

Good round-trip deal

$651 or less

Good one-way deal

$449 or less
Provider with most accurate pricing for Barcelona-El Prat-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Barcelona-El Prat-San Francisco flights.
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From Barcelona-El Prat to San Francisco
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One-way flight from Barcelona-El Prat to San Francisco
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Highest demand for flights based on searches. 20% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Barcelona-El Prat to San Francisco.
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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 October 27, 2025.

This Air Canada deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:50 amBCN - SFO
2 stops24h 00mAir Canada
Thu 12/48:55 pmSFO - BCN
2 stops27h 40mAir Canada
Deal found 10/27$514
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:35 pmBCN - SFO
2 stops31h 45mAir Canada
Sun 11/308:25 amSFO - BCN
2 stops18h 40mAir Canada
Deal found 10/27$515
This Flighttix deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:55 amBCN - SFO
2 stops19h 55mAir Canada
Mon 12/16:53 pmSFO - BCN
2 stops53h 42mAir Canada
Deal found 10/27$516
This SWISS deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:55 pmBCN - SFO
1 stop34h 35mSWISS
Tue 12/307:25 pmSFO - BCN
1 stop14h 35mSWISS
Deal found 10/25$519
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:55 amBCN - SFO
1 stop16h 40mUnited Airlines
Sat 11/1512:43 amSFO - BCN
2 stops22h 37mUnited Airlines
Deal found 10/27$520
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:45 amBCN - SFO
1 stop18h 45mUnited Airlines
Sat 1/101:30 pmSFO - BCN
1 stop19h 05mUnited Airlines
Deal found 10/25$521
This deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:30 amBCN - SFO
1 stop19h 35mUnited Airlines
Thu 12/46:07 amSFO - BCN
1 stop17h 13mUnited Airlines
Deal found 10/25$523
This Finnair deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:30 pmBCN - SFO
1 stop18h 58mMultiple Airlines
Tue 12/912:51 pmSFO - BCN
2 stops22h 04mMultiple Airlines
Deal found 10/25$524
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:00 amBCN - SFO
2 stops22h 12mUnited Airlines
Mon 11/247:25 pmSFO - BCN
1 stop33h 40mUnited Airlines
Deal found 10/25$525
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:50 pmBCN - SFO
1 stop31h 50mUnited Airlines
Wed 12/315:00 amSFO - BCN
2 stops19h 00mUnited Airlines
Deal found 10/25$526
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amBCN - SFO
1 stop14h 50mDelta
Thu 11/277:05 amSFO - BCN
2 stops19h 05mDelta
Deal found 10/27$527

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 27, 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

Sun 11/9

6:45 am-4:30 pm

1 stop18h 45m

San Francisco

Sun 11/23

4:51 pm-8:20 am

1 stop30h 29m

$522

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 11/8

6:00 am-11:50 am

1 stop14h 50m

San Francisco

Thu 11/27

7:05 am-11:10 am

2 stops19h 05m

$527

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 11/11

6:00 am-11:50 am

1 stop14h 50m

San Francisco

Tue 11/25

6:00 am-11:10 am

2 stops20h 10m

$527

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 12/23

9:55 am-12:40 pm

1 stop35h 45m

San Francisco

Wed 1/7

11:59 pm-9:00 am

2 stops24h 01m

$532

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 11/22

6:00 am-10:53 pm

2 stops25h 53m

San Francisco

Mon 12/1

3:35 pm-5:05 pm

2 stops16h 30m

$532

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 11/7

6:00 am-9:57 pm

2 stops24h 57m

San Francisco

Wed 11/12

12:25 pm-3:00 pm

2 stops17h 35m

$538

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 3/24

6:00 am-11:12 pm

2 stops25h 12m

San Francisco

Sat 4/4

1:00 pm-4:25 pm

2 stops18h 25m

$544

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 11/9

6:00 am-11:50 am

1 stop14h 50m

San Francisco

Thu 11/27

7:05 am-11:10 am

2 stops19h 05m

$570

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 12/26

10:55 am-10:08 pm

1 stop20h 13m

San Francisco

Sat 1/10

5:44 am-11:10 am

2 stops20h 26m

$577

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 12/26

9:30 am-11:57 pm

1 stop23h 27m

San Francisco

Fri 1/9

7:00 am-8:00 am

1 stop16h 00m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

Compare providers for flights from Barcelona-El Prat to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to San Francisco in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Barcelona-El Prat Airport-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Barcelona-El Prat to San Francisco. Price data was last updated on October 24, 2025.

The best time to book flights from Barcelona-El Prat Airport to San Francisco is 35 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $308). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $665). 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 October 27, 2025.

It’s typically best to fly out from Barcelona-El Prat Airport to San Francisco in the evening. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

The best insider tips for Barcelona-El Prat Airport to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Barcelona-El Prat Airport to San Francisco trip
Airports
BCN

Expect queues at security in BCN, but they are well managed and fast moving. Arrive early, especially during peak seasons.

Read more about BCNby Duncan Madden
SFO

The least expensive way to travel from SFO to downtown San Francisco is on BART, taking about 40 minutes.

Read more about SFOby Harriet Baskas
Our travel experts
Duncan Madden

Duncan Madden

Expert on BCN

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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 October 27, 2025.
See what other customers who have flown with Delta, United Airlines, and Iberia from Barcelona-El Prat Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
8,996 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
Iberia
7.0
Good
3,001 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
Lufthansa
6.8
Okay
7,532 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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
British Airways
6.7
Okay
7,481 reviews
Delta
7.9
Good
7,996 reviews

Overall

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

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. 10 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?

    A quick flight from Barcelona-El Prat Airport to San Francisco can take about 14h 50m. United Airlines provides one of the quickest options available for as low as $527. The distance between Barcelona-El Prat Airport and San Francisco is about 5952 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Barcelona-El Prat Airport to San Francisco round-trip?

    Cheapflights users have booked flights from Barcelona-El Prat Airport to San Francisco round-trip from $294. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from $375, and British Airways, from $381. Vueling is 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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: Qatar Airways (100%), American Airlines (78%), Vueling (78%).

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

    On average you can expect to pay $924 for a flight from Barcelona-El Prat Airport to San Francisco. The cheapest flight overall is $281 while the most popular route, (Barcelona-El Prat - San Francisco) is currently priced at $459.

  • 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 vacation 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 $308). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $665). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
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Union City
Fairfield
Burlingame
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Top 10 airlines flying from Barcelona-El Prat to San Francisco

Discover the top 10 airlines 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 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$294Average$706FlexibilityNo cancel feeOn-time88%
TAP AIR PORTUGALCheapest$375Average$678FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$381Average$391FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$383Average$650FlexibilityNo cancel feeOn-time69%
DeltaCheapest$401Average$630FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$402Average$586FlexibilityNo cancel feeOn-time75%
SWISSCheapest$416Average$616FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$438Average$651FlexibilityNo cancel feeOn-time76%
LEVELCheapest$501Average$790FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$533Average$811FlexibilityNo cancel feeOn-time77%

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