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$272+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
May 6 — May 131
Tue 5/6
Tue 5/13
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 3 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 May 1, 2025.

Round-trip from

$526
(Priceline)

One-way from

$272
(Gurufare)

Popular in

June

Cheapest in

January

Average price

$824
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. 23% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:10 pmSFO - BCN
Nonstop11h 35mMultiple Airlines
Wed 10/157:40 amBCN - SFO
1 stop15h 10mMultiple Airlines
Deal found 4/29$526
This Austrian Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 11/188:25 amSFO - BCN
2 stops26h 20mAustrian Airlines
Mon 12/110:05 amBCN - SFO
2 stops42h 07mAustrian Airlines
Deal found 4/30$527
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:30 amSFO - BCN
1 stop14h 20mUnited Airlines
Tue 10/287:45 amBCN - SFO
1 stop20h 00mUnited Airlines
Deal found 4/29$528
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:48 pmSFO - BCN
1 stop22h 47mBritish Airways
Sat 10/258:00 pmBCN - SFO
1 stop29h 00mBritish Airways
Deal found 4/30$530
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:48 pmSFO - BCN
1 stop22h 47mIberia
Sat 10/118:00 pmBCN - SFO
1 stop26h 50mIberia
Deal found 4/29$532
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:50 amSFO - BCN
1 stop35h 00mAir Canada
Tue 9/2312:10 pmBCN - SFO
2 stops34h 25mAir Canada
Deal found 4/30$533
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:45 pmSFO - BCN
2 stops30h 50mTAP AIR PORTUGAL
Tue 8/2610:40 pmBCN - SFO
1 stop24h 55mTAP AIR PORTUGAL
Deal found 4/29$534
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:05 amSFO - BCN
2 stops18h 45mDelta
Wed 10/156:10 amBCN - SFO
2 stops18h 50mDelta
Deal found 4/29$538
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:25 amSFO - BCN
2 stops24h 40mFinnair
Sun 12/710:05 amBCN - SFO
2 stops19h 39mFinnair
Deal found 4/30$556
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/248:00 pmSFO - BCN
Nonstop11h 45mVueling
Sat 6/72:50 pmBCN - SFO
Nonstop12h 55mVueling
Deal found 4/30$576
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:40 pmSFO - BCN
1 stop16h 45mAmerican Airlines
Thu 11/209:30 amBCN - SFO
1 stop20h 02mAmerican Airlines
Deal found 4/29$581
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:05 pmSFO - BCN
1 stop15h 50mITA Airways
Thu 11/206:20 amBCN - SFO
1 stop15h 45mITA Airways
Deal found 4/29$603

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 May 1, 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

Thu 10/2

8:10 pm-4:45 pm

Nonstop11h 35m

Barcelona-El Prat

Wed 10/15

7:40 am-1:50 pm

1 stop15h 10m

$526

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 9/6

8:10 pm-4:45 pm

Nonstop11h 35m

Barcelona-El Prat

Mon 9/15

6:10 pm-4:10 pm

1 stop31h 00m

$527

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 10/18

2:20 pm-5:10 pm

2 stops17h 50m

Barcelona-El Prat

Tue 11/18

6:00 am-8:28 pm

2 stops23h 28m

$528

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 8/25

6:28 am-9:05 am

1 stop17h 37m

Barcelona-El Prat

Mon 9/8

8:25 pm-1:50 pm

1 stop26h 25m

$529

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 10/15

5:00 am-7:50 am

2 stops17h 50m

Barcelona-El Prat

Sat 10/25

1:15 pm-10:50 pm

2 stops18h 35m

$531

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 8/23

11:10 pm-1:15 pm

1 stop29h 05m

Barcelona-El Prat

Fri 9/5

12:10 pm-11:11 am

1 stop32h 01m

$540

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Thu 9/11

4:20 pm-9:50 pm

1 stop20h 30m

Barcelona-El Prat

Wed 9/24

6:00 am-2:35 pm

1 stop17h 35m

$543

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 10/1

10:24 am-8:05 pm

2 stops24h 41m

Barcelona-El Prat

Tue 10/7

9:10 pm-11:55 pm

2 stops35h 45m

$563

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 5/24

8:00 pm-4:45 pm

Nonstop11h 45m

Barcelona-El Prat

Sat 6/7

2:50 pm-6:45 pm

Nonstop12h 55m

$576

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 8/25

7:00 am-10:10 am

1 stop18h 10m

Barcelona-El Prat

Mon 9/8

7:40 am-1:50 pm

1 stop15h 10m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 30 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 April 25, 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 3 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 $1,064). 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 May 1, 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. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from San Francisco to Barcelona, such as Delta, Austrian Airlines and SWISS. 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
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
781 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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.
Turkish Airlines
7.3
Good
3,790 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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. 23 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.

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

    Our cheapest airline available from San Francisco to Barcelona is Iberia. Our recent data shows that you can find tickets from as low as $527 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $528 and $533 round-trip. Iberia is 29% 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 ($272), Vueling ($294), and Iberia ($347).

  • 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 United Airlines (100%), Lufthansa (100%) and American Airlines (86%).

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

    Looking at all options, your cheapest flight can be booked for $237. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $378 on average our data indicates $1,148 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, Piccadilly Circus, and Buckingham Palace. Hyde Park, Piccadilly Circus and Buckingham Palace are located about 12.5 mi, 14.1 mi, and 13.7 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 $53.

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

    Chiado, Praça do Marquês de Pombal, and Commerce Square 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 Commerce Square can do so by traveling 4.5 mi, 3.6 mi, and 4.7 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 $22 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 Konstablerwache more than any other attractions. Römerberg, Hauptwache, and Konstablerwache can be accessed by traveling approximately 7.4 mi, 7.4 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 $43.

  • 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 $1,064). 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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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$285Average$606FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$368Average$483FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$404Average$934FlexibilityNo cancel feeOn-time72%
DeltaCheapest$409Average$762FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$421Average$857FlexibilityNo cancel feeOn-time67%
VuelingCheapest$424Average$707FlexibilityNo cancel feeOn-time88%
SWISSCheapest$425Average$620FlexibilityNo cancel feeOn-time79%
WestJetCheapest$454Average$928FlexibilityNo cancel feeOn-time60%
British AirwaysCheapest$471Average$658FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$471Average$831FlexibilityNo cancel feeOn-time77%

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