Barcelona-El Prat

$330+ Cheap flights from San Francisco (SFO) to Barcelona-El Prat (BCN)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Feb 20 — Feb 271
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Find cheap flights from San Francisco to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Francisco to Barcelona-El Prat are usually found in January or February, booked 85 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from San Francisco to Barcelona-El Prat

Cheapest flights from San Francisco to Barcelona-El Prat
Explore the most affordable flight options available from San Francisco to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Tue 1/279:25 pm
SFO
-
BCN
1 stop16h 40m
Lufthansa
Wed 2/119:10 am
BCN
-
SFO
1 stop19h 25m
Lufthansa
Deal found 1/21$466
This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:35 pm
SFO
-
BCN
1 stop28h 15m
SWISS
Mon 4/206:35 pm
BCN
-
SFO
2 stops34h 10m
SWISS
Deal found 1/21$467
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
Thu 4/164:35 pm
SFO
-
BCN
1 stop14h 25m
British Airways
Thu 4/2312:50 pm
BCN
-
SFO
1 stop17h 29m
British Airways
Deal found 1/20$468
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:40 pm
SFO
-
BCN
1 stop16h 40m
Scandinavian Airlines
Fri 3/67:10 pm
BCN
-
SFO
1 stop28h 25m
Scandinavian Airlines
Deal found 1/20$469
This United Airlines deal was found by Cheapflights users on 1/21. 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 9/295:50 pm
SFO
-
BCN
Nonstop11h 30m
United Airlines
Fri 10/94:10 pm
BCN
-
SFO
Nonstop12h 15m
United Airlines
Deal found 1/21$470
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:25 pm
SFO
-
BCN
1 stop18h 35m
SWISS
Mon 2/97:50 pm
BCN
-
SFO
1 stop29h 40m
SWISS
Deal found 1/20$471
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/101:35 pm
SFO
-
BCN
1 stop19h 10m
United Airlines
Thu 3/1212:35 pm
BCN
-
SFO
1 stop16h 47m
United Airlines
Deal found 1/21$472
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 4/164:55 pm
SFO
-
BCN
1 stop30h 25m
United Airlines
Tue 4/281:15 pm
BCN
-
SFO
3 stops41h 19m
United Airlines
Deal found 1/21$473
This United Airlines deal was found by Cheapflights users on 1/21. 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 9/288:30 am
SFO
-
BCN
1 stop14h 30m
United Airlines
Thu 10/84:10 pm
BCN
-
SFO
Nonstop12h 15m
United Airlines
Deal found 1/21$474
This Cheapflightsfares deal was found by Cheapflights users on 1/19. 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.
Thu 4/168:00 am
SFO
-
BCN
1 stop14h 35m
Iberia
Sun 4/262:05 pm
BCN
-
SFO
Nonstop12h 50m
Iberia
Deal found 1/19$475
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 2/196:45 am
SFO
-
BCN
2 stops16h 35m
United Airlines
Tue 2/2411:00 am
BCN
-
SFO
1 stop17h 41m
United Airlines
Deal found 1/18$476

Find flight deals from San Francisco to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Barcelona-El Prat (BCN). 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 January 21, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$467
(KAYAK)

One-way from

$330
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$526

Good round-trip deal

$649 or less

Good one-way deal

$354 or less
Provider with most accurate pricing for San Francisco-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for San Francisco-Barcelona-El Prat flights.
From San Francisco to Barcelona-El Prat
One-way flight from San Francisco to Barcelona-El Prat
Highest demand for flights based on searches. 22% potential increase in price ($197 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from San Francisco to Barcelona-El Prat.
Price to beat on a one-way flight from San Francisco to Barcelona-El Prat.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Barcelona-El Prat 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 January 21, 2026.
Use the filters below to find and compare flights from San Francisco to Barcelona-El Prat Airport that are best for you.

Fly from

San Francisco

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 4/16

4:55 pm-8:20 am

1 stop30h 25m

Barcelona-El Prat

Tue 4/28

1:15 pm-9:34 pm

3 stops41h 19m

$473

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 3/24

6:30 pm-10:30 pm

1 stop20h 00m

Barcelona-El Prat

Sat 4/18

12:50 pm-11:22 pm

1 stop19h 32m

$478

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 3/19

6:30 pm-10:35 pm

1 stop20h 05m

Barcelona-El Prat

Tue 3/31

2:05 pm-5:55 pm

Nonstop12h 50m

$478

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 3/24

6:30 pm-7:45 pm

1 stop17h 15m

Barcelona-El Prat

Sun 4/19

12:50 pm-11:22 pm

1 stop19h 32m

$478

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 2/11

7:25 am-4:20 pm

2 stops23h 55m

Barcelona-El Prat

Wed 2/25

10:30 am-7:25 pm

1 stop17h 55m

$479

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 2/21

12:43 am-8:20 am

2 stops22h 37m

Barcelona-El Prat

Fri 3/6

6:45 am-4:30 pm

1 stop18h 45m

$481

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 3/23

8:25 pm-2:05 pm

1 stop33h 40m

Barcelona-El Prat

Mon 3/30

1:25 pm-2:35 pm

1 stop34h 10m

$481

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 4/16

4:35 pm-4:00 pm

1 stop14h 25m

Barcelona-El Prat

Mon 4/27

9:20 pm-1:50 pm

1 stop25h 30m

$484

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 4/21

4:35 pm-3:40 pm

1 stop14h 05m

Barcelona-El Prat

Mon 5/4

7:40 am-1:50 pm

1 stop15h 10m

$484

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 2/5

10:11 am-8:50 am

1 stop13h 39m

Barcelona-El Prat

Tue 2/10

10:40 am-7:12 pm

1 stop17h 32m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 21 results
1
2
3

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

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 San Francisco to Barcelona-El Prat in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
business-class.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 San Francisco-Barcelona-El Prat Airport flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on San Francisco-Barcelona-El Prat Airport flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from San Francisco-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Barcelona-El Prat Airport flights, Cheapflights users trust Gotogate the most. Gotogate 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 San Francisco-Barcelona-El Prat Airport 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 San Francisco to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from San Francisco 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 San Francisco to Barcelona-El Prat Airport

How far ahead should I book a flight from San Francisco to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Barcelona-El Prat. Price data was last updated on January 16, 2026.

The best time to book flights from San Francisco to Barcelona-El Prat Airport is 85 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 San Francisco to Barcelona-El Prat Airport?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Barcelona-El Prat Airport (average of $374). Flying from San Francisco to Barcelona-El Prat Airport in June is currently the most expensive (average of $696). 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 San Francisco to Barcelona-El Prat Airport 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 San Francisco to Barcelona-El Prat Airport 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 Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with United Airlines, Vueling, and Iberia from San Francisco to Barcelona-El Prat Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Barcelona-El Prat. 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 from for flights from San Francisco to Barcelona-El Prat?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Barcelona-El Prat. You should not have trouble finding flights to Barcelona-El Prat from San Francisco; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 21 airlines have flights from the San Francisco airport to Barcelona-El Prat. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

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

    A quick flight from San Francisco to Barcelona-El Prat Airport can take about 20h. United Airlines provides one of the quickest options available for as low as $478. San Francisco and Barcelona-El Prat Airport are separated by a distance of 5952 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from San Francisco to Barcelona-El Prat Airport round-trip from $323. Other airlines that can offer you cheap pricing are LEVEL, from $355, and TAP AIR PORTUGAL, from $358. LEVEL is currently priced 53% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $167. LEVEL flights start at $190 while deals on LEVEL start at $210 one-way.

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

    Looking at all options, your cheapest flight can be booked for $235. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $368 on average, our data indicates $1,785 when flying from San Francisco to Barcelona-El Prat Airport.

  • Where are the most common layover locations when flying from San Francisco to Barcelona-El Prat Airport?

  • What are some popular things to do or see while on a layover in Lisbon?

    Chiado, Praça do Marquês de Pombal, and Londres are currently the most popular points of interest in Lisbon at the moment. Chiado, Praça do Marquês de Pombal and Londres are located about 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado if you are interested in checking them out. Travelers can book a car rental at Lisbon Humberto Delgado for about $18 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than any other notable places. Hyde Park, Buckingham Palace, and Piccadilly Circus can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $33 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a layover in Frankfurt am Main?

    If you're on a layover in Frankfurt am Main and looking for things to do, consider visiting Römerberg, Oper Frankfurt, or Konstablerwache. Those on a layover in Frankfurt am Main interested in visiting Römerberg, Oper Frankfurt, or Konstablerwache can do so by traveling 7.4 mi, 7.0 mi, and 7.7 mi, respectively from Frankfurt am Main. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $54.

  • Where are the least popular layover locations for San Francisco to Barcelona-El Prat Airport flights?

  • Can I find deals for flights from San Francisco to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on San Francisco to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Barcelona-El Prat.

  • Can I find deals for business class flights from San Francisco to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from San Francisco to Barcelona-El Prat 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 San Francisco to Barcelona-El Prat Airport?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Barcelona-El Prat Airport (average of $374). Flying from San Francisco to Barcelona-El Prat Airport in June is currently the most expensive (average of $696). 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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Top 10 airlines flying from San Francisco to Barcelona-El Prat

Discover the top 10 airlines that operate flights from San Francisco to Barcelona-El Prat. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$323Average$717FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$355Average$603FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$358Average$478FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$362Average$665FlexibilityNo cancel feeOn-time81%
IberiaCheapest$381Average$737FlexibilityNo cancel feeOn-time77%
VuelingCheapest$416Average$714FlexibilityNo cancel feeOn-time88%
FinnairCheapest$418Average$662FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$421Average$555FlexibilityNo cancel feeOn-time77%
SWISSCheapest$446Average$596FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$447Average$751FlexibilityNo cancel feeOn-time77%

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