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$350+ Cheap flights from San Francisco (SFO) to Barcelona

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Barcelona are usually found in January or February, booked 70 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from San Francisco to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Barcelona (S37). 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 11, 2026.

Round-trip from

$482
(oojo)

One-way from

$350
(EaseMyTrip)

Popular in

June

Cheapest in

January

Average price

$518
From San Francisco to Barcelona
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One-way flight from San Francisco to Barcelona
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Highest demand for flights based on searches. 22% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from San Francisco to Barcelona

Cheapest flights from San Francisco to Barcelona
Explore the most affordable flight options available from San Francisco to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.

This oojo deal was found by Cheapflights users on 1/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:30 pmSFO - BCN
1 stop30h 40mBritish Airways
Mon 3/163:00 pmBCN - SFO
1 stop33h 00mBritish Airways
Deal found 1/9$482
This oojo deal was found by Cheapflights users on 1/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:45 pmSFO - BCN
1 stop16h 25mScandinavian Airlines
Mon 4/67:00 pmBCN - SFO
1 stop28h 40mScandinavian Airlines
Deal found 1/9$483
This United Airlines deal was found by Cheapflights users on 1/9. 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 3/210:42 amSFO - BCN
2 stops22h 03mUnited Airlines
Thu 3/1910:30 amBCN - SFO
2 stops31h 08mUnited Airlines
Deal found 1/9$484
This British Airways deal was found by Cheapflights users on 1/10. 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.
Thu 1/2210:11 amSFO - BCN
1 stop13h 39mBritish Airways
Tue 2/310:40 amBCN - SFO
1 stop17h 32mBritish Airways
Deal found 1/10$485
This Air Canada deal was found by Cheapflights users on 1/8. 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.
Wed 3/45:10 amSFO - BCN
2 stops19h 25mAir Canada
Fri 3/135:50 amBCN - SFO
2 stops23h 32mAir Canada
Deal found 1/8$486
This Kiwi.com deal was found by Cheapflights users on 1/9. 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.
Wed 1/147:25 pmSFO - BCN
1 stop14h 35mSWISS
Thu 1/227:50 pmBCN - SFO
1 stop29h 40mSWISS
Deal found 1/9$487
This Iberia deal was found by Cheapflights users on 1/9. 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.
Thu 4/167:40 pmSFO - BCN
Nonstop11h 45mIberia
Thu 4/232:05 pmBCN - SFO
Nonstop12h 50mIberia
Deal found 1/9$488
This British Airways deal was found by Cheapflights users on 1/9. 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.
Tue 2/103:50 pmSFO - BCN
2 stops17h 35mBritish Airways
Sat 2/216:40 amBCN - SFO
1 stop17h 20mBritish Airways
Deal found 1/9$489
This Air Canada deal was found by Cheapflights users on 1/10. 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.
Wed 1/215:00 amSFO - BCN
2 stops19h 35mAir Canada
Thu 1/291:45 pmBCN - SFO
2 stops30h 09mAir Canada
Deal found 1/10$490
This KAYAK deal was found by Cheapflights users on 1/9. 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.
Mon 5/44:45 pmSFO - BCN
1 stop16h 25mScandinavian Airlines
Sat 5/237:00 pmBCN - SFO
1 stop28h 40mScandinavian Airlines
Deal found 1/9$491
This British Airways deal was found by Cheapflights users on 1/9. 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.
Sat 4/1811:59 pmSFO - BCN
1 stop22h 36mBritish Airways
Sun 4/267:50 amBCN - SFO
1 stop15h 00mBritish Airways
Deal found 1/9$492
This Air Canada deal was found by Cheapflights users on 1/10. 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.
Tue 2/311:10 pmSFO - BCN
2 stops25h 25mAir Canada
Mon 2/161:35 pmBCN - SFO
2 stops38h 44mAir Canada
Deal found 1/10$493

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Barcelona 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 11, 2026.
Use the filters below to find and compare flights from San Francisco to Barcelona that are best for you.

Fly from

San Francisco

Fly to

Barcelona

Route

Depart

Return

Price

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 4/9

4:45 pm-6:10 pm

1 stop16h 25m

Barcelona-El Prat

Sat 4/18

11:50 am-2:40 pm

2 stops35h 50m

$483

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 4/9

4:45 pm-11:00 am

2 stops33h 15m

Barcelona-El Prat

Sun 4/19

7:00 pm-2:40 pm

1 stop28h 40m

$483

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 3/2

10:42 am-5:45 pm

2 stops22h 03m

Barcelona-El Prat

Thu 3/19

10:30 am-9:38 am

2 stops31h 08m

$484

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 3/2

10:42 am-5:45 pm

2 stops22h 03m

Barcelona-El Prat

Tue 3/17

10:30 am-9:22 am

2 stops30h 52m

$484

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 2/6

5:30 pm-4:30 pm

1 stop14h 00m

Barcelona-El Prat

Thu 2/12

12:15 pm-6:45 pm

1 stop15h 30m

$485

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 3/4

9:55 am-3:00 pm

2 stops20h 05m

Barcelona-El Prat

Mon 3/16

1:00 pm-12:50 pm

1 stop31h 50m

$485

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 2/4

10:11 am-8:50 am

1 stop13h 39m

Barcelona-El Prat

Sun 2/15

10:40 am-10:07 pm

1 stop20h 27m

$485

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 2/6

5:30 pm-4:30 pm

1 stop14h 00m

Barcelona-El Prat

Tue 2/17

6:40 am-3:00 pm

1 stop17h 20m

$485

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 2/5

10:11 am-8:50 am

1 stop13h 39m

Barcelona-El Prat

Thu 2/12

10:40 am-10:07 pm

1 stop20h 27m

$485

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 1/22

10:11 am-8:50 am

1 stop13h 39m

Barcelona-El Prat

Fri 1/30

10:40 am-7:12 pm

1 stop17h 32m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 23 results
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Best time to book a flight from San Francisco to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

How far ahead should I book a flight from San Francisco to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Barcelona. Price data was last updated on January 9, 2026.

The price you pay for your flight from San Francisco to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Barcelona?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $374). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $695). 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.

How often are flights from San Francisco to Barcelona delayed?

About 15% of weekly flights between San Francisco and Barcelona have experienced delays in the past year, with the average delay time being 181 minutes.

What is the most punctual flight time for San Francisco to Barcelona flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to Barcelona flights?

Over the last year, LEVEL have had the lowest number of delays on this route, with just 8% of flights being delayed.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated January 11, 2026.
See what other customers who have flown with United Airlines, Vueling, and Iberia from San Francisco to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,145 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

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??
United Airlines
7.4
Good
9,145 reviews
United Airlines
7.4
Good
9,145 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

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??
Vueling
7.1
Good
1,224 reviews
United Airlines
7.4
Good
9,145 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

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??
Iberia
7.0
Good
3,081 reviews
United Airlines
7.4
Good
9,145 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

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??
British Airways
6.7
Okay
7,667 reviews
United Airlines
7.4
Good
9,145 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

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. 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?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Barcelona. 22 airlines have flights from San Francisco to Barcelona on a regular basis. Booking flights from San Francisco to Barcelona should not be difficult; the airport handles an average of 0 outbound flights to Barcelona per day.

  • How long is the flight from San Francisco to Barcelona?

    Airlines like Scandinavian Airlines, United Airlines, and British Airways fly from San Francisco to Barcelona in about 14h. The time it takes to get you to your destination can typically vary by up to 8h 03m. There are 5952 mi between San Francisco and Barcelona. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from San Francisco to Barcelona is LEVEL. Our recent data shows that you can find tickets from as low as $323 on this airline. Additional options worth looking into are LEVEL and TAP AIR PORTUGAL, starting at $353 and $358 round-trip. LEVEL is 53% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from San Francisco to Barcelona are TAP AIR PORTUGAL ($167), LEVEL ($190), and LEVEL ($210).

  • What are the most popular routes from San Francisco to Barcelona?

    The most popular flight routes from San Francisco to Barcelona are San Francisco - Barcelona-El Prat, San Francisco - Girona Costa Brava and San Francisco - Reus.

  • What are the cheapest flights from San Francisco to Barcelona?

    Looking at all options, your cheapest flight can be booked for $236. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $410 on average, our data indicates $1,780 when flying from San Francisco to Barcelona.

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

    Flights departing from San Francisco and landing in Barcelona layover in London most frequently. Lisbon follows London in terms of the most common layover location on San Francisco to Barcelona flights. Frankfurt am Main follows Lisbon in terms of the most frequent layover location on San Francisco to Barcelona flights.

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

    Most London visitors opt to spend their time experiencing Hyde Park, Buckingham Palace, and Piccadilly Circus. Hyde Park, Buckingham Palace and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow if you are interested in checking them out. Those on a layover in London in need of a rental car can book one at London Heathrow for about $33.

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

    Chiado, Praça do Marquês de Pombal, and Londres are the most popular attractions in Lisbon if you're in need of something to do during your layover. Those on a layover in Lisbon interested in visiting Chiado, Praça do Marquês de Pombal, or Londres can do so by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado. Those landing in Lisbon looking to spend some time exploring during their layover can rent a car for about $18 per day.

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

    Frankfurt am Main travelers tend to visit Römerberg, Oper Frankfurt, and Konstablerwache more than any other attractions. Römerberg, Oper Frankfurt, and Konstablerwache can be accessed by traveling approximately 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 $46.

  • Where are the least popular layover locations for San Francisco to Barcelona flights?

    San Francisco to Barcelona flights have a layover in Toronto the least frequently. San Francisco to Barcelona flights stopping in Istanbul are the next rarest. New York ranks third to last in terms of the least popular layover locations on San Francisco to Barcelona flights.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from San Francisco to Barcelona 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?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $374). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $695). 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

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Alternative routes for San Francisco to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
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Long Beach to Barcelona-El Prat flights
Monterey to Barcelona-El Prat flights
San Luis Obispo to Barcelona-El Prat flights
Los Angeles to Reus flights
Santa Barbara to Barcelona-El Prat flights
Palm Springs to Barcelona-El Prat flights
San Francisco to Costa Brava flights
Medford to Barcelona-El Prat flights
San Francisco to Reus flights
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Los Angeles to Costa Brava flights
Las Vegas to Costa Brava flights

Top 10 airlines flying from San Francisco to Barcelona

Discover the top 10 airlines that operate flights from San Francisco to Barcelona. 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$323Average$704FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$358Average$479FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$373Average$622FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$404Average$930FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$415Average$550FlexibilityNo cancel feeOn-time77%
FinnairCheapest$418Average$648FlexibilityNo cancel feeOn-time76%
VuelingCheapest$434Average$721FlexibilityNo cancel feeOn-time88%
ITA AirwaysCheapest$444Average$676FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$447Average$751FlexibilityNo cancel feeOn-time77%
SWISSCheapest$456Average$591FlexibilityNo cancel feeOn-time79%

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