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Cheap flights from Barcelona-El Prat Airport to San Francisco from $406

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to San Francisco departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Barcelona-El Prat Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:50 am - 1:50 pmBCN-SFO
15h 00m1 stop
British Airways Logo
4:35 pm - 6:35 pmSFO-BCN
17h 00m1 stop
$514British Airways
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Sun, Apr 26 - Fri, May 8
United Airlines Logo
6:45 am - 4:30 pmBCN-SFO
18h 45m1 stop
United Airlines Logo
6:00 am - 1:10 pmSFO-BCN
22h 10m1 stop
$515United Airlines
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Sun, Nov 9 - Thu, Nov 27
Delta Logo
6:00 am - 8:38 pmBCN-SFO
23h 38m2 stops
Delta Logo
10:30 am - 2:00 pmSFO-BCN
18h 30m2 stops
$533Delta
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Mon, Nov 17 - Mon, Dec 8
Delta Logo
6:00 am - 10:03 pmBCN-SFO
25h 03m2 stops
Delta Logo
12:25 pm - 5:05 pmSFO-BCN
19h 40m2 stops
$534Delta
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Mon, Nov 17 - Mon, Dec 8
SWISS Logo
6:45 am - 4:30 pmBCN-SFO
18h 45m1 stop
SWISS Logo
12:50 pm - 7:00 pmSFO-BCN
21h 10m2 stops
$541SWISS
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Thu, Nov 20 - Wed, Dec 3
Lufthansa Logo
11:55 am - 7:35 pmBCN-SFO
16h 40m1 stop
Lufthansa Logo
9:40 pm - 8:25 amSFO-BCN
25h 45m1 stop
$543Lufthansa
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Wed, Dec 17 - Sat, Dec 27
Iberia Logo
2:05 pm - 6:00 pmBCN-SFO
12h 55mnonstop
Iberia Logo
7:45 pm - 4:30 pmSFO-BCN
11h 45mnonstop
$557Iberia
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Tue, Apr 28 - Thu, May 28
Iberia Logo
10:45 am - 11:19 pmBCN-SFO
21h 34m1 stop
Iberia Logo
6:15 am - 10:30 amSFO-BCN
19h 15m1 stop
$559Iberia
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Mon, Apr 27 - Mon, May 25
SWISS Logo
7:50 pm - 5:00 pmBCN-SFO
30h 10m2 stops
SWISS Logo
12:50 pm - 7:00 pmSFO-BCN
21h 10m2 stops
$576SWISS
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Tue, Dec 23 - Thu, Jan 8
Lufthansa Logo
1:25 pm - 7:00 pmBCN-SFO
14h 35m1 stop
Lufthansa Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
$582Lufthansa
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Sat, Apr 25 - Sat, May 9

United Airlines flights from Barcelona-El Prat Airport to San Francisco

Our best United Airlines deals on Barcelona-El Prat Airport to San Francisco flight tickets
United Airlines
Nov 8
BCN6:45 amBarcelona-El Prat
18h 45m
1 stop
SFO4:30 pmSan Francisco
Nov 24
SFO8:25 amSan Francisco
16h 10m
1 stop
BCN9:35 amBarcelona-El Prat
$514
Find similar
United Airlines
Nov 9
BCN6:45 amBarcelona-El Prat
18h 45m
1 stop
SFO4:30 pmSan Francisco
Nov 27
SFO6:00 amSan Francisco
22h 10m
1 stop
BCN1:10 pmBarcelona-El Prat
$515
Find similar
United Airlines
Nov 13
BCN6:50 amBarcelona-El Prat
26h 34m
2 stops
SFO12:24 amSan Francisco
Nov 19
SFO6:00 amSan Francisco
21h 00m
2 stops
BCN12:00 pmBarcelona-El Prat
$516
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Air Canada flights from Barcelona-El Prat Airport to San Francisco

Our best Air Canada deals on Barcelona-El Prat Airport to San Francisco flight tickets
Air Canada
Feb 11
BCN9:55 amBarcelona-El Prat
36h 35m
2 stops
SFO1:30 pmSan Francisco
Feb 20
SFO5:10 amSan Francisco
19h 25m
2 stops
BCN9:35 amBarcelona-El Prat
$517
Find similar
Air Canada
Apr 16
BCN12:15 pmBarcelona-El Prat
18h 06m
1 stop
SFO9:21 pmSan Francisco
Apr 28
SFO8:45 pmSan Francisco
26h 05m
2 stops
BCN7:50 amBarcelona-El Prat
$518
Find similar
Air Canada
Apr 13
BCN7:50 amBarcelona-El Prat
35h 55m
2 stops
SFO10:45 amSan Francisco
Apr 28
SFO4:15 pmSan Francisco
32h 05m
1 stop
BCN9:20 amBarcelona-El Prat
$519
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momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to San Francisco 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 4/26

7:50 am-1:50 pm

1 stop15h 00m

San Francisco

Fri 5/8

4:35 pm-6:35 pm

1 stop17h 00m

$514

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sun 11/9

6:45 am-4:30 pm

1 stop18h 45m

San Francisco

Thu 11/27

6:00 am-1:10 pm

1 stop22h 10m

$515

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 11/17

6:00 am-8:38 pm

2 stops23h 38m

San Francisco

Mon 12/8

10:30 am-2:00 pm

2 stops18h 30m

$533

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 11/17

6:00 am-10:03 pm

2 stops25h 03m

San Francisco

Mon 12/8

12:25 pm-5:05 pm

2 stops19h 40m

$534

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 11/20

6:45 am-4:30 pm

1 stop18h 45m

San Francisco

Wed 12/3

12:50 pm-7:00 pm

2 stops21h 10m

$541

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 12/17

11:55 am-7:35 pm

1 stop16h 40m

San Francisco

Sat 12/27

9:40 pm-8:25 am

1 stop25h 45m

$543

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 4/28

2:05 pm-6:00 pm

Nonstop12h 55m

San Francisco

Thu 5/28

7:45 pm-4:30 pm

Nonstop11h 45m

$557

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 4/27

10:45 am-11:19 pm

1 stop21h 34m

San Francisco

Mon 5/25

6:15 am-10:30 am

1 stop19h 15m

$559

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 12/23

7:50 pm-5:00 pm

2 stops30h 10m

San Francisco

Thu 1/8

12:50 pm-7:00 pm

2 stops21h 10m

$576

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Sat 4/25

1:25 pm-7:00 pm

1 stop14h 35m

San Francisco

Sat 5/9

5:30 pm-2:00 pm

Nonstop11h 30m

$582

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $515.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Barcelona-El Prat Airport to San Francisco is on a Wednesday when prices can be found for as low as $641. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $798.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Barcelona-El Prat Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $525. Flights in the afternoon are often more expensive with an average ticket price of $691.

What is the cheapest Barcelona-El Prat to San Francisco flight route?

Fly from Barcelona-El Prat to San Francisco for the best Barcelona-El Prat - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $630 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Barcelona-El Prat Airport for as low as $557 on momondo.

What cabin class options are available on Barcelona-El Prat to San Francisco flights?

There are 3 cabin classes available to choose from on Barcelona-El Prat to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Barcelona-El Prat Airport to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Barcelona-El Prat Airport to San Francisco.

How have Barcelona-El Prat Airport to San Francisco flight prices changed over time?

As of October 2025, prices for Barcelona-El Prat Airport to San Francisco flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Barcelona-El Prat Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Barcelona-El Prat Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Barcelona-El Prat Airport to San Francisco (BCN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to San Francisco

Best Price Found

$449

Fastest flight time

12h 15m

Direct flights

Mon, Wed and Fri

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Barcelona-El Prat Airport in the past 72 hours is $449. The best round-trip flight deal from Barcelona-El Prat Airport to San Francisco found on momondo in the last 72 hours is $651.
The fastest flight from Barcelona-El Prat Airport to San Francisco takes 12h 15m
Direct flights go from Barcelona-El Prat Airport to San Francisco on Monday, Wednesday and Friday. There are no airlines offering direct flights.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is Barcelona-El Prat to San Francisco by plane?

    The distance between Barcelona-El Prat and San Francisco is about 5944.3 mi. In terms of flight time, this usually takes a little over 12h 55m.

  • When did momondo last update prices for flights from Barcelona-El Prat Airport to San Francisco Airport?

    Prices for flights from Barcelona-El Prat Airport to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Barcelona-El Prat Airport to San Francisco Airport?

  • How old do you have to be to fly from Barcelona-El Prat Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Barcelona-El Prat Airport to San Francisco?

  • What is the most popular airline from Barcelona-El Prat Airport to San Francisco?

Best airlines flying from Barcelona-El Prat Airport to San Francisco

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
VuelingPriceFrom $294Free CancellationRating
7.1
1,206 reviews
Search Vueling flights
TAP AIR PORTUGALPriceFrom $375Free CancellationRating
7.1
2,040 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $381Free CancellationRating
6.7
7,488 reviews
Search British Airways flights
United AirlinesPriceFrom $383Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
DeltaPriceFrom $401Free CancellationRating
7.9
7,999 reviews
Search Delta flights
KLMPriceFrom $402Free CancellationRating
7.7
1,406 reviews
Search KLM flights
SWISSPriceFrom $416Free CancellationRating
7.5
1,775 reviews
Search SWISS flights
LufthansaPriceFrom $438Free CancellationRating
6.8
7,542 reviews
Search Lufthansa flights
LEVELPriceFrom $501Free CancellationRating
0.0
Search LEVEL flights
IberiaPriceFrom $533Free CancellationRating
7.0
3,004 reviews
Search Iberia flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Turlock
Livermore
Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to San Francisco?

It is quick and easy to find Barcelona to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

Can I find flights from Barcelona to San Francisco with flexible booking policies on momondo?

Flights from Barcelona to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Barcelona to San Francisco?

Once all potential Barcelona to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Barcelona to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Barcelona and alert you when they change.

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