Barcelona

$418+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Jul 5 — Jul 121
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Cheapflights Tip: The best prices from San Francisco to Barcelona are usually found in January or February, booked 62 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 June 5, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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 6/154:30 pm
SFO
-
BCN
1 stop14h 30m
Condor
Mon 6/298:00 am
BCN
-
SFO
1 stop15h 30m
Condor
Deal found 6/2$834
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Thu 8/274:30 pm
SFO
-
BCN
1 stop17h 50m
TAP AIR PORTUGAL
Thu 9/176:00 am
BCN
-
SFO
1 stop17h 30m
TAP AIR PORTUGAL
Deal found 6/3$836
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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.
Sun 8/92:40 pm
SFO
-
BCN
2 stops17h 40m
Austrian Airlines
Tue 8/188:40 pm
BCN
-
SFO
2 stops25h 00m
Austrian Airlines
Deal found 6/3$837
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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.
Sun 8/92:40 pm
SFO
-
BCN
2 stops17h 40m
Austrian Airlines
Mon 8/248:40 pm
BCN
-
SFO
2 stops25h 00m
Austrian Airlines
Deal found 6/2$838
This Condor deal was found by Cheapflights users on 6/2. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:30 pm
SFO
-
BCN
1 stop14h 30m
Multiple Airlines
Mon 6/158:00 am
BCN
-
SFO
2 stops22h 55m
Multiple Airlines
Deal found 6/2$840
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/16:00 pm
SFO
-
BCN
Nonstop11h 20m
United Airlines
Thu 9/104:10 pm
BCN
-
SFO
Nonstop12h 15m
United Airlines
Deal found 6/4$841
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Sun 9/66:00 pm
SFO
-
BCN
Nonstop11h 20m
United Airlines
Sun 9/1312:15 pm
BCN
-
SFO
1 stop32h 02m
United Airlines
Deal found 6/3$842
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/306:00 pm
SFO
-
BCN
Nonstop11h 20m
United Airlines
Thu 8/206:40 am
BCN
-
SFO
1 stop15h 00m
United Airlines
Deal found 6/3$843
This British Airways deal was found by Cheapflights users on 6/2. 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 9/14:35 pm
SFO
-
BCN
1 stop17h 05m
British Airways
Sun 9/136:35 pm
BCN
-
SFO
1 stop28h 15m
British Airways
Deal found 6/2$844
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Thu 8/69:05 pm
SFO
-
BCN
1 stop16h 20m
Lufthansa
Thu 8/204:10 pm
BCN
-
SFO
Nonstop12h 10m
Lufthansa
Deal found 6/4$845
This Air Canada deal was found by Cheapflights users on 6/4. 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 9/28:10 am
SFO
-
BCN
1 stop14h 50m
Air Canada
Tue 9/812:15 pm
BCN
-
SFO
1 stop17h 32m
Air Canada
Deal found 6/4$847
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 6/234:05 pm
SFO
-
GRO
1 stop22h 20m
Multiple Airlines
Wed 7/111:30 pm
GRO
-
SFO
2 stops45h 50m
Multiple Airlines
Deal found 6/2$1,124

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 June 5, 2026.

Round-trip from

$834
(Cheapflightsfares)

One-way from

$418
(French Bee)

Popular in

June

Cheapest in

January

Average price

$1,076
From San Francisco to Barcelona
One-way flight from San Francisco to Barcelona
Highest demand for flights based on searches. 25% potential increase in price ($245 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 June 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 June 5, 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

Sun 9/6

6:00 pm-2:20 pm

Nonstop11h 20m

Barcelona-El Prat

Sun 9/13

12:15 pm-11:17 am

1 stop32h 02m

$842

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 9/3

11:10 am-8:00 am

1 stop35h 50m

Barcelona-El Prat

Wed 9/9

6:40 am-6:41 pm

2 stops21h 01m

$856
Quickest round-trip

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 8/14

6:00 pm-2:20 pm

Nonstop11h 20m

Barcelona-El Prat

Wed 8/26

4:10 pm-7:20 pm

Nonstop12h 10m

$873

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 8/14

6:00 pm-2:20 pm

Nonstop11h 20m

Barcelona-El Prat

Fri 9/4

4:10 pm-7:20 pm

Nonstop12h 10m

$873

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 8/26

2:00 pm-5:10 pm

2 stops18h 10m

Barcelona-El Prat

Wed 9/9

6:20 am-11:45 am

1 stop14h 25m

$879

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 9/17

5:50 pm-2:20 pm

Nonstop11h 30m

Barcelona-El Prat

Mon 9/28

6:35 pm-4:15 pm

1 stop30h 40m

$906

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 8/29

11:30 pm-1:15 pm

1 stop28h 45m

Barcelona-El Prat

Sun 9/13

12:15 pm-11:17 am

1 stop32h 02m

$911

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 8/29

6:00 am-6:10 pm

2 stops27h 10m

Barcelona-El Prat

Mon 9/7

10:35 am-9:19 pm

2 stops19h 44m

$912

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 9/4

7:30 pm-8:15 pm

1 stop15h 45m

Barcelona-El Prat

Sat 9/12

7:40 am-1:50 pm

1 stop15h 10m

$929

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 9/4

4:35 pm-4:00 pm

1 stop14h 25m

Barcelona-El Prat

Fri 9/11

7:40 am-1:50 pm

1 stop15h 10m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 56 resultsSorted by cheapest first
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2
3
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6

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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $360). Flying from San Francisco to Barcelona in December is currently the most expensive (average of $1,841). 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 SFO to BCN?

Find hourly flight availability from San Francisco to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 5, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Barcelona as you normally would.

Weekly flight availability from San Francisco to Barcelona

Explore weekly flight availability from San Francisco to Barcelona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 5, 2026.

The most flights from SFO to S37 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 16% of weekly flights between San Francisco and Barcelona have experienced delays in the past year, with the average delay time being 170 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 Tuesday 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 12% of flights being delayed.

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

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 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 June 5, 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.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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. 19 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 3 outbound flights to Barcelona per day.

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

    Airlines like Condor, TAP AIR PORTUGAL, and Austrian Airlines fly from San Francisco to Barcelona in about 14h 30m. The time it takes to get you to your destination can typically vary by up to 3h 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 Vueling. Our recent data shows that you can find tickets from as low as $236 on this airline. Additional options worth looking into are LEVEL and TAP AIR PORTUGAL, starting at $343 and $360 round-trip. Vueling is 67% 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 ($210).

  • 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 Air Canada (81%), United Airlines (81%) and Lufthansa (81%).

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

    Looking at all options, your cheapest flight can be booked for $524. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $551 on average, our data indicates $2,317 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 Frankfurt am Main?

    Most Frankfurt am Main visitors opt to spend their time experiencing Römerberg, Oper Frankfurt, and Festhalle. Römerberg, Oper Frankfurt and Festhalle are located about 7.4 mi, 7.0 mi, and 6.5 mi, respectively from Frankfurt am Main if you are interested in checking them out. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $43.

  • 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 $20 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 $38.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $360). Flying from San Francisco to Barcelona in December is currently the most expensive (average of $1,841). 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

Browse thousands of different options on Cheapflights for your next trip

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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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$236Average$794FlexibilityNo cancel feeOn-time88%
LEVELCheapest$343Average$448FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$360Average$587FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$369Average$691FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$405Average$684FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$421Average$556FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$433Average$707FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$447Average$898FlexibilityNo cancel feeOn-time77%
DeltaCheapest$466Average$812FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$468Average$732FlexibilityNo cancel feeOn-time67%

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