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$248+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Barcelona are usually found in January or March, booked 76 days in advance, depart on a Tuesday or Sunday and return on a Friday

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 July 2, 2025.

Round-trip from

$565
(Delta)

One-way from

$248
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$962
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 ($211 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 July 2025
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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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:55 amSFO - BCN
2 stops18h 25mDelta
Thu 8/2811:35 amBCN - SFO
1 stop16h 17mDelta
Deal found 7/2$565
This Air Canada deal was found by Cheapflights users on 7/1. 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 9/910:48 amSFO - BCN
2 stops18h 17mAir Canada
Wed 9/1712:10 pmBCN - SFO
2 stops19h 59mAir Canada
Deal found 7/1$566
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:45 pmSFO - BCN
2 stops33h 50mLufthansa
Tue 1/136:50 amBCN - SFO
1 stop14h 45mLufthansa
Deal found 7/1$567
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/275:40 pmSFO - BCN
Nonstop11h 20mUnited Airlines
Thu 8/2112:10 pmBCN - SFO
2 stops39h 18mUnited Airlines
Deal found 7/1$568
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:40 pmSFO - BCN
2 stops30h 00mScandinavian Airlines
Wed 10/227:00 pmBCN - SFO
1 stop30h 30mScandinavian Airlines
Deal found 7/2$572
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/244:20 pmSFO - BCN
1 stop20h 30mTAP AIR PORTUGAL
Wed 9/36:00 amBCN - SFO
1 stop17h 35mTAP AIR PORTUGAL
Deal found 6/30$573
This British Airways deal was found by Cheapflights users on 6/30. 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 9/167:20 pmSFO - BCN
1 stop14h 10mBritish Airways
Mon 9/228:25 pmBCN - SFO
1 stop26h 25mBritish Airways
Deal found 6/30$576
This SWISS deal was found by Cheapflights users on 6/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:40 pmSFO - BCN
2 stops42h 55mSWISS
Thu 9/42:55 pmBCN - SFO
1 stop34h 15mSWISS
Deal found 6/30$583
This Austrian Airlines deal was found by Cheapflights users on 6/30. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:40 amSFO - BCN
2 stops26h 10mAustrian Airlines
Tue 10/288:30 pmBCN - SFO
2 stops32h 35mAustrian Airlines
Deal found 6/30$584
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sat 8/238:10 pmSFO - BCN
Nonstop11h 35mIberia
Tue 9/22:05 pmBCN - SFO
Nonstop13h 05mIberia
Deal found 6/29$585
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/204:20 pmSFO - BCN
1 stop20h 30mMultiple Airlines
Tue 8/262:05 pmBCN - SFO
Nonstop13h 05mMultiple Airlines
Deal found 7/2$589
This lol.travel deal was found by Cheapflights users on 6/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:25 pmSFO - BCN
Nonstop11h 35mFinnair
Thu 8/211:20 pmBCN - SFO
Nonstop13h 05mFinnair
Deal found 6/30$591

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 July 2, 2025.
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

Mon 8/18

5:55 am-9:20 am

2 stops18h 25m

Barcelona-El Prat

Thu 8/28

11:35 am-6:52 pm

1 stop16h 17m

$565

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 9/9

10:48 am-2:05 pm

2 stops18h 17m

Barcelona-El Prat

Wed 9/17

12:10 pm-11:09 pm

2 stops19h 59m

$566

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 7/27

5:40 pm-2:00 pm

Nonstop11h 20m

Barcelona-El Prat

Thu 8/21

12:10 pm-6:28 pm

2 stops39h 18m

$568

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 7/26

7:20 pm-7:25 pm

1 stop15h 05m

Barcelona-El Prat

Fri 8/29

10:40 pm-5:35 pm

1 stop27h 55m

$572

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 7/22

8:10 pm-4:45 pm

Nonstop11h 35m

Barcelona-El Prat

Wed 9/3

7:40 pm-11:13 am

2 stops48h 33m

$574

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 9/16

7:20 pm-6:30 pm

1 stop14h 10m

Barcelona-El Prat

Mon 9/22

8:25 pm-1:50 pm

1 stop26h 25m

$576

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 7/27

9:05 pm-9:10 am

2 stops27h 05m

Barcelona-El Prat

Wed 9/3

10:00 am-12:40 pm

2 stops59h 40m

$577

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 8/24

7:40 pm-11:35 pm

2 stops42h 55m

Barcelona-El Prat

Thu 9/4

2:55 pm-4:10 pm

1 stop34h 15m

$583

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 8/7

7:25 pm-4:00 pm

Nonstop11h 35m

Barcelona-El Prat

Thu 8/21

1:35 pm-12:08 am

2 stops19h 33m

$584

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 8/7

7:25 pm-4:00 pm

Nonstop11h 35m

Barcelona-El Prat

Thu 8/21

1:20 pm-5:25 pm

Nonstop13h 05m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 19 results
1
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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 June 27, 2025.

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 76 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, January is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $523). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $1,059). 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 July 2, 2025.

It’s optimal to fly from San Francisco to Barcelona in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from San Francisco to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Barcelona flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 2, 2025.

The most flights from SFO to S37 are scheduled on a Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 July 2, 2025.
See what other customers who have flown with Delta, Austrian Airlines, and Finnair 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.
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,303 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 21 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 2 outbound flights to Barcelona per day.

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

    Our cheapest airline available from San Francisco to Barcelona is Delta. Our recent data shows that you can find tickets from as low as $565 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at $566 and $567 round-trip. Delta is 23% 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 Iberia ($259), Vueling ($269), and TAP AIR PORTUGAL ($279).

  • 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 - Reus and San Francisco - Girona Costa Brava.

  • 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 American Airlines (100%), Vueling (91%) and Iberia (90%).

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

    Looking at all options, your cheapest flight can be booked for $238. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $379 on average our data indicates $1,902 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 $40.

  • 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 $23 per day.

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

    Frankfurt am Main travelers tend to visit Römerberg, Hauptwache, and Historisches Museum Frankfurt more than any other attractions. Römerberg, Hauptwache, and Historisches Museum Frankfurt can be accessed by traveling approximately 7.4 mi, 7.4 mi, and 7.3 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 $44.

  • 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. Calgary 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, January is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $523). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $1,059). 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.
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Los Angeles to Reus flights
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San Francisco 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$367Average$478FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$374Average$705FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$388Average$764FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$404Average$973FlexibilityNo cancel feeOn-time72%
FinnairCheapest$418Average$684FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$444Average$804FlexibilityNo cancel feeOn-time67%
VuelingCheapest$454Average$740FlexibilityNo cancel feeOn-time88%
SWISSCheapest$455Average$617FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$464Average$652FlexibilityNo cancel feeOn-time70%
ITA AirwaysCheapest$464Average$795FlexibilityNo cancel feeOn-time81%

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