San Francisco

$345+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SFO
feb. 25 — mar. 41
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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 Monday and return on a Tuesday

Cheap 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 enero 26, 2026.

This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/512:30 pm
BCN
-
SFO
1 stop19h 19m
British Airways
lun. 3/910:36 am
SFO
-
BCN
2 stops16h 44m
British Airways
Deal found 1/26$489
This Iberia deal was found by Cheapflights users on 1/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/1410:30 am
BCN
-
SFO
1 stop20h 34m
Iberia
mar. 4/217:40 pm
SFO
-
BCN
Nonstop11h 45m
Iberia
Deal found 1/24$493
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/1310:40 am
BCN
-
SFO
1 stop18h 08m
British Airways
vie. 3/65:30 pm
SFO
-
BCN
1 stop20h 05m
British Airways
Deal found 1/26$495
This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/16:40 am
BCN
-
SFO
1 stop17h 20m
British Airways
dom. 3/811:35 pm
SFO
-
BCN
1 stop24h 15m
British Airways
Deal found 1/25$496
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/412:30 pm
BCN
-
SFO
1 stop19h 19m
British Airways
mar. 4/76:10 am
SFO
-
BCN
1 stop16h 25m
British Airways
Deal found 1/26$498
This Expedia deal was found by Cheapflights users on 1/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/2310:40 am
BCN
-
SFO
1 stop31h 31m
Iberia
lun. 3/26:00 am
SFO
-
BCN
2 stops20h 45m
Iberia
Deal found 1/24$499
This Iberia deal was found by Cheapflights users on 1/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/101:30 pm
BCN
-
SFO
2 stops20h 17m
Iberia
jue. 2/196:00 am
SFO
-
BCN
2 stops18h 45m
Iberia
Deal found 1/24$501
This Mytrip deal was found by Cheapflights users on 1/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/226:00 am
BCN
-
SFO
1 stop19h 15m
SWISS
dom. 4/267:35 pm
SFO
-
BCN
1 stop28h 15m
SWISS
Deal found 1/24$502
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/19:15 am
BCN
-
SFO
1 stop16h 05m
Iberia
mar. 9/157:50 pm
SFO
-
BCN
Nonstop11h 30m
Iberia
Deal found 1/25$504
This Gotogate deal was found by Cheapflights users on 1/26. 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.
lun. 3/303:00 pm
BCN
-
SFO
1 stop32h 35m
TAP AIR PORTUGAL
vie. 4/178:20 pm
SFO
-
BCN
1 stop32h 40m
TAP AIR PORTUGAL
Deal found 1/26$506
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/46:45 am
BCN
-
SFO
1 stop16h 45m
TAP AIR PORTUGAL
mié. 3/115:35 pm
SFO
-
BCN
1 stop15h 40m
TAP AIR PORTUGAL
Deal found 1/26$507
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/282:05 pm
BCN
-
SFO
Nonstop12h 50m
LEVEL
jue. 6/187:45 pm
SFO
-
BCN
Nonstop11h 45m
LEVEL
Deal found 1/24$508

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 enero 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$493
(Iberia)

One-way from

$345
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$603

Good round-trip deal

$413 or less

Good one-way deal

$348 or less
Provider with most accurate pricing for Barcelona-El Prat-San Francisco flight deals.
Provider most trusted by Cheapflights users for Barcelona-El Prat-San Francisco flights.
From Barcelona-El Prat to San Francisco
One-way flight from Barcelona-El Prat to San Francisco
Highest demand for flights based on searches. 20% potential increase in price ($162 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Barcelona-El Prat to San Francisco.
Price to beat on a one-way flight from Barcelona-El Prat to San Francisco.

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 enero 26, 2026.
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

vie. 2/13

10:40 am-7:48 pm

1 stop18h 08m

San Francisco

vie. 3/6

5:30 pm-10:35 pm

1 stop20h 05m

$495

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

mié. 3/4

12:30 pm-10:49 pm

1 stop19h 19m

San Francisco

mar. 4/7

6:10 am-7:35 am

1 stop16h 25m

$498

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

lun. 3/2

6:40 am-3:00 pm

1 stop17h 20m

San Francisco

lun. 3/16

9:40 pm-10:30 pm

1 stop16h 50m

$516

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

mar. 3/17

1:50 pm-9:10 pm

1 stop15h 20m

San Francisco

lun. 3/23

2:35 pm-5:45 pm

1 stop19h 10m

$531

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

jue. 4/23

6:40 am-12:40 pm

1 stop15h 00m

San Francisco

dom. 4/26

9:05 pm-10:25 pm

1 stop16h 20m

$534

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

jue. 2/19

6:50 am-1:28 am

2 stops27h 38m

San Francisco

sáb. 2/21

12:43 am-8:20 am

2 stops22h 37m

$536

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

mar. 4/7

10:45 am-7:31 pm

1 stop17h 46m

San Francisco

dom. 4/19

8:00 am-7:35 am

1 stop14h 35m

$545

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

lun. 3/2

7:50 pm-4:30 pm

1 stop29h 40m

San Francisco

lun. 3/16

1:50 pm-11:00 pm

2 stops25h 10m

$559

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

sáb. 4/18

6:00 am-5:35 pm

1 stop20h 35m

San Francisco

jue. 4/30

7:55 pm-9:50 pm

1 stop16h 55m

$562

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

jue. 3/12

6:50 am-9:10 pm

1 stop22h 20m

San Francisco

jue. 3/19

10:40 pm-5:35 pm

1 stop34h 55m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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 $310). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $672). 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.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Barcelona-El Prat Airport to San Francisco trip
Our travel experts
Duncan Madden

Duncan Madden

Expert on BCN

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.

Harriet Baskas

Harriet Baskas

Expert on SFO

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.

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 enero 26, 2026.
See what other customers who have flown with SWISS, 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.

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Joanne,Sep 2025

OPO - ZRH

The seats were very cramped, even though I paid for an upgraded seat. The seats were also hard, and needed new padding. This made is made it very challenging for this 11 hour flight. The foot was alright. The crew were excellent, and the movie selection was very good. The experience was so challenging what my husband says he does not want to fly to Europe any more.

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Joanne,Sep 2025

OPO - ZRH

The seats were very cramped, even though I paid for an upgraded seat. The seats were also hard, and needed new padding. This made is made it very challenging for this 11 hour flight. The foot was alright. The crew were excellent, and the movie selection was very good. The experience was so challenging what my husband says he does not want to fly to Europe any more.

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Joanne,Sep 2025

OPO - ZRH

The seats were very cramped, even though I paid for an upgraded seat. The seats were also hard, and needed new padding. This made is made it very challenging for this 11 hour flight. The foot was alright. The crew were excellent, and the movie selection was very good. The experience was so challenging what my husband says he does not want to fly to Europe any more.

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Joanne,Sep 2025

OPO - ZRH

The seats were very cramped, even though I paid for an upgraded seat. The seats were also hard, and needed new padding. This made is made it very challenging for this 11 hour flight. The foot was alright. The crew were excellent, and the movie selection was very good. The experience was so challenging what my husband says he does not want to fly to Europe any more.

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Joanne,Sep 2025

OPO - ZRH

The seats were very cramped, even though I paid for an upgraded seat. The seats were also hard, and needed new padding. This made is made it very challenging for this 11 hour flight. The foot was alright. The crew were excellent, and the movie selection was very good. The experience was so challenging what my husband says he does not want to fly to Europe any more.

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Joanne,Sep 2025

OPO - ZRH

The seats were very cramped, even though I paid for an upgraded seat. The seats were also hard, and needed new padding. This made is made it very challenging for this 11 hour flight. The foot was alright. The crew were excellent, and the movie selection was very good. The experience was so challenging what my husband says he does not want to fly to Europe any more.

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. 11 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 15h. British Airways provides one of the quickest options available for as low as $531. 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 $285. Other airlines that can offer you cheap pricing are Vueling, from $294, and British Airways, from $381. TAP AIR PORTUGAL is 55% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $223. Users have also found prices from $233 and $260 on LEVEL and Vueling, respectively.

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

    On average you can expect to pay $786 for a flight from Barcelona-El Prat Airport to San Francisco. The cheapest flight overall is $264 while the most popular route, (Barcelona-El Prat - San Francisco) is currently priced at $386.

  • 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 $310). Flying from Barcelona-El Prat Airport to San Francisco in July is currently the most expensive (average of $672). 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
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
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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 enero 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$285Average$636FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$294Average$675FlexibilityNo cancel feeOn-time88%
British AirwaysCheapest$381Average$482FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$383Average$642FlexibilityNo cancel feeOn-time69%
LEVELCheapest$413Average$666FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$416Average$567FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$438Average$653FlexibilityNo cancel feeOn-time76%
KLMCheapest$443Average$595FlexibilityNo cancel feeOn-time75%
DeltaCheapest$499Average$919FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$501Average$790FlexibilityNo cancel feeOn-timeN/A

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