Barcelona

$252+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Dec 6 — Dec 131
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Cheapflights Tip: The best prices from San Francisco to Barcelona are usually found in January or March, booked 49 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

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 November 6, 2025.

This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSFO - BCN
1 stop16h 00mDelta
Tue 12/1610:15 amBCN - SFO
1 stop19h 24mDelta
Deal found 11/6$484
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:30 amSFO - BCN
2 stops21h 40mUnited Airlines
Wed 12/36:50 amBCN - SFO
1 stop14h 50mUnited Airlines
Deal found 11/5$486
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:40 pmSFO - BCN
1 stop16h 15mLufthansa
Wed 12/311:55 amBCN - SFO
1 stop16h 40mLufthansa
Deal found 11/6$487
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:05 amSFO - BCN
1 stop15h 55mDelta
Thu 12/410:55 amBCN - SFO
2 stops20h 18mDelta
Deal found 11/5$488
This KAYAK deal was found by Cheapflights users on 11/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:35 pmSFO - BCN
1 stop15h 40mTAP AIR PORTUGAL
Fri 12/126:45 amBCN - SFO
1 stop18h 20mTAP AIR PORTUGAL
Deal found 11/6$489
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:30 amSFO - BCN
2 stops21h 40mUnited Airlines
Thu 12/49:55 amBCN - SFO
2 stops18h 42mUnited Airlines
Deal found 11/5$490
This Air Canada deal was found by Cheapflights users on 11/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:50 amSFO - BCN
2 stops39h 15mAir Canada
Wed 12/171:35 pmBCN - SFO
2 stops40h 18mAir Canada
Deal found 11/6$491
This KAYAK deal was found by Cheapflights users on 11/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:40 pmSFO - BCN
1 stop16h 25mLufthansa
Fri 12/126:50 amBCN - SFO
2 stops27h 25mLufthansa
Deal found 11/6$492
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:30 amSFO - BCN
2 stops20h 35mAir Canada
Tue 12/25:50 amBCN - SFO
2 stops24h 49mAir Canada
Deal found 11/5$493
This oojo deal was found by Cheapflights users on 11/6. 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 12/306:10 amSFO - BCN
2 stops20h 10mBritish Airways
Sat 1/1710:40 amBCN - SFO
1 stop19h 57mBritish Airways
Deal found 11/6$494
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:00 amSFO - BCN
2 stops19h 55mUnited Airlines
Fri 12/51:50 pmBCN - SFO
1 stop15h 20mUnited Airlines
Deal found 11/5$495

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 November 6, 2025.

Round-trip from

$484
(Delta)

One-way from

$252
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$598
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 ($213 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in November 2025

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 November 6, 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 11/24

3:30 pm-5:55 pm

2 stops17h 25m

Barcelona-El Prat

Tue 12/2

8:40 pm-3:00 pm

1 stop27h 20m

$484

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 2/1

12:43 am-9:35 am

3 stops23h 52m

Barcelona-El Prat

Mon 2/9

11:55 am-2:50 pm

1 stop35h 55m

$487

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 1/12

5:44 am-8:00 am

2 stops17h 16m

Barcelona-El Prat

Sun 2/1

10:55 am-11:16 pm

2 stops21h 21m

$488

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 11/25

1:55 pm-12:15 pm

1 stop13h 20m

Barcelona-El Prat

Sun 12/14

10:15 am-8:39 pm

1 stop19h 24m

$511

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 2/4

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

Sat 2/21

6:00 am-8:59 pm

2 stops23h 59m

$512

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 11/24

1:25 pm-5:35 pm

2 stops19h 10m

Barcelona-El Prat

Tue 12/2

1:50 pm-4:30 pm

2 stops35h 40m

$516

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 3/16

7:15 am-5:35 pm

2 stops26h 20m

Barcelona-El Prat

Fri 3/27

9:10 am-11:09 pm

2 stops21h 59m

$517

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 12/9

11:20 pm-8:20 am

1 stop24h 00m

Barcelona-El Prat

Fri 1/9

6:50 am-5:00 pm

2 stops19h 10m

$521

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 1/6

5:30 pm-6:25 pm

1 stop15h 55m

Barcelona-El Prat

Sat 1/17

10:40 am-9:37 pm

1 stop19h 57m

$526

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 2/3

12:43 am-9:35 am

2 stops23h 52m

Barcelona-El Prat

Sat 2/21

6:50 am-12:40 pm

1 stop14h 50m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 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 October 31, 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 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, January is the cheapest month in which you can book a flight from San Francisco to Barcelona (average of $367). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $697). 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 November 6, 2025.

It’s optimal to fly from San Francisco to Barcelona at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the evening.

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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 6, 2025.
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.

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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. 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 0 outbound flights to Barcelona per day.

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

    Airlines like British Airways, United Airlines, and Virgin Atlantic fly from San Francisco to Barcelona in about 17h 16m. The time it takes to get you to your destination can typically vary by up to 6h 36m. 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 ITA Airways and TAP AIR PORTUGAL, starting at $362 and $367 round-trip. LEVEL is 54% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 Qatar Airways (100%), Iberia (91%) and easyJet (91%).

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

    Looking at all options, your cheapest flight can be booked for $220. While the most popular route (San Francisco - Barcelona-El Prat) can be booked for $343 on average, our data indicates $1,725 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 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 $29.

  • 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 $19 per day.

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

    Montreal travelers tend to visit Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica more than any other attractions. Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica can be accessed by traveling approximately 9.1 mi, 10.0 mi, and 9.9 mi, respectively from Montreal Pierre Elliott Trudeau Intl. Those on a layover in Montreal in need of a rental car can book one at Montreal Pierre Elliott Trudeau Intl for about $43.

  • 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 $367). Flying from San Francisco to Barcelona in June is currently the most expensive (average of $697). 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$323Average$678FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$362Average$703FlexibilityNo cancel feeOn-time81%
TAP AIR PORTUGALCheapest$367Average$502FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$374Average$657FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$381Average$732FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$404Average$930FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$415Average$549FlexibilityNo cancel feeOn-time77%
FinnairCheapest$418Average$666FlexibilityNo cancel feeOn-time76%
VuelingCheapest$443Average$731FlexibilityNo cancel feeOn-time88%
SWISSCheapest$466Average$626FlexibilityNo cancel feeOn-time79%

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