Barcelona

$327+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
May 10 — May 171
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Cheapflights Tip: The best prices from San Francisco to Barcelona are usually found in January or February, booked 49 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap 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 April 10, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Mon 9/144:30 pm
SFO
-
BCN
1 stop14h 30m
Condor
Tue 9/298:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/6$525
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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.
Fri 10/94:30 pm
SFO
-
BCN
1 stop20h 40m
Condor
Sat 10/248:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/5$536
This oojo deal was found by Cheapflights users on 4/5. 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.
Wed 7/224:35 pm
SFO
-
BCN
1 stop23h 55m
TAP AIR PORTUGAL
Thu 8/276:00 am
BCN
-
SFO
1 stop17h 30m
TAP AIR PORTUGAL
Deal found 4/5$538
This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm
SFO
-
BCN
1 stop14h 30m
Condor
Tue 9/298:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/6$555
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Tue 8/184:30 pm
SFO
-
BCN
1 stop20h 40m
Condor
Mon 8/318:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/6$558
This oojo deal was found by Cheapflights users on 4/5. 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.
Tue 8/47:20 pm
SFO
-
BCN
2 stops21h 10m
TAP AIR PORTUGAL
Tue 8/258:20 pm
BCN
-
SFO
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 4/5$564
This oojo deal was found by Cheapflights users on 4/6. 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.
Tue 9/17:20 pm
SFO
-
BCN
2 stops21h 10m
TAP AIR PORTUGAL
Wed 9/95:45 pm
BCN
-
SFO
1 stop29h 45m
TAP AIR PORTUGAL
Deal found 4/6$568
This Cheapflightsfares deal was found by Cheapflights users on 4/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:30 pm
SFO
-
BCN
1 stop14h 30m
Condor
Tue 9/18:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/9$574
This oojo deal was found by Cheapflights users on 4/6. 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.
Sat 11/144:35 pm
SFO
-
BCN
1 stop18h 45m
TAP AIR PORTUGAL
Sun 12/66:05 pm
BCN
-
SFO
1 stop29h 30m
TAP AIR PORTUGAL
Deal found 4/6$578
This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:30 pm
SFO
-
BCN
1 stop14h 30m
Condor
Tue 9/158:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/6$579
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Tue 9/14:30 pm
SFO
-
BCN
1 stop14h 30m
Condor
Wed 9/98:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 4/6$580
This French Bee deal was found by Cheapflights users on 4/8. 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 French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:05 pm
SFO
-
REU
1 stop18h 20m
Multiple Airlines
Sun 8/308:55 am
REU
-
SFO
1 stop20h 55m
Multiple Airlines
Deal found 4/8$1,122

Find 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 April 10, 2026.

Round-trip from

$525
(Cheapflightsfares)

One-way from

$327
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$665
From San Francisco to Barcelona
One-way flight from San Francisco to Barcelona
Highest demand for flights based on searches. 23% potential increase in price ($210 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 April 2026

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 April 10, 2026.
Use the filters below to find and compare flights from San Francisco to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 9/14

5:50 pm-2:20 pm

Nonstop11h 30m

Barcelona-El Prat

Tue 9/29

12:15 pm-11:17 am

1 stop32h 02m

$792

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 9/5

10:35 pm-8:20 am

1 stop24h 45m

Barcelona-El Prat

Thu 9/24

4:10 pm-7:25 pm

Nonstop12h 15m

$793

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 5/20

8:10 pm-9:00 am

1 stop27h 50m

Barcelona-El Prat

Wed 5/27

6:20 am-11:45 am

1 stop14h 25m

$876

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 5/4

11:05 pm-8:20 am

1 stop24h 15m

Barcelona-El Prat

Fri 5/15

4:10 pm-7:20 pm

Nonstop12h 10m

$878

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 4/25

2:57 pm-5:10 pm

2 stops17h 13m

Barcelona-El Prat

Sun 5/3

6:20 am-5:20 pm

2 stops20h 00m

$900

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 9/4

4:35 pm-8:15 pm

1 stop18h 40m

Barcelona-El Prat

Sat 9/19

7:40 am-1:50 pm

1 stop15h 10m

$902

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 5/7

11:55 am-2:50 pm

2 stops17h 55m

Barcelona-El Prat

Sat 5/23

9:20 am-7:20 pm

2 stops19h 00m

$923

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 5/17

11:45 am-9:20 am

1 stop36h 35m

Barcelona-El Prat

Fri 6/5

4:10 pm-7:20 pm

Nonstop12h 10m

$924

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 4/30

6:30 am-8:20 am

1 stop16h 50m

Barcelona-El Prat

Tue 5/19

4:10 pm-7:20 pm

Nonstop12h 10m

$928
Quickest round-trip

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 8/28

6:00 pm-2:20 pm

Nonstop11h 20m

Barcelona-El Prat

Wed 9/9

12:15 pm-8:47 pm

1 stop17h 32m

$988

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 37 resultsSorted by cheapest first
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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 April 3, 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, April is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $371). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $742). 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 much does it cost to fly round-trip from San Francisco to Barcelona?

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 10% 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 April 10, 2026.
See what other customers who have flown with United Airlines,TAP AIR PORTUGAL, andIberia 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.

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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??

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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??

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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??

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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??

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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 11.0 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Barcelona. 20 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 1 outbound flight to Barcelona per day.

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

    Airlines like United Airlines and Delta fly from San Francisco to Barcelona in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 16h 20m. 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 $341 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and LEVEL, starting at $359 and $369 round-trip. LEVEL is 51% 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 ($166), LEVEL ($198), and LEVEL ($209).

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

  • What are the most reliable airlines from San Francisco to Barcelona?

    The top 3 most reliable airlines when flying from San Francisco to Barcelona are LEVEL (100%), American Airlines (100%) and Qatar Airways (100%).

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

    Looking at all options, your cheapest flight can be booked for $342. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $496 on average, our data indicates $2,233 when flying from San Francisco to Barcelona.

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

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

    Most Lisbon visitors opt to spend their time experiencing Chiado, Praça do Marquês de Pombal, and Londres. 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. Those on a layover in Lisbon in need of a rental car can book one at Lisbon Humberto Delgado for about $20.

  • What are some popular points of interest to see during a layover in Frankfurt am Main?

    Römerberg, Oper Frankfurt, and Festhalle are the most popular attractions in Frankfurt am Main if you're in need of something to do during your layover. Those on a layover in Frankfurt am Main interested in visiting Römerberg, Oper Frankfurt, or Festhalle can do so by traveling 7.4 mi, 7.0 mi, and 6.5 mi, respectively from Frankfurt am Main. Those landing in Frankfurt am Main looking to spend some time exploring during their layover can rent a car for about $40 per day.

  • What are points of interest worth seeing during a layover in London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than any other attractions. 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. Those on a layover in London in need of a rental car can book one at London Heathrow for about $45.

  • Where are the least popular layover locations for 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, April is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $371). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $742). 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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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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$341Average$482FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$359Average$558FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$369Average$691FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$370Average$603FlexibilityNo cancel feeOn-time88%
IberiaCheapest$412Average$710FlexibilityNo cancel feeOn-time77%
FinnairCheapest$418Average$795FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$421Average$548FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$434Average$682FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$447Average$861FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$449Average$615FlexibilityNo cancel feeOn-time81%

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