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Cheap flights from Barcelona-El Prat Airport to San Francisco from $353

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 2/2. 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

Iberia Logo
9:20 pm - 7:55 pmBCN-SFO
31h 35m2 stops
Iberia Logo
8:10 pm - 3:45 pmSFO-BCN
11h 35mnonstop
$540Iberia
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Tue, Oct 14 - Sat, Oct 25
Scandinavian Airlines Logo
7:10 pm - 2:35 pmBCN-SFO
28h 25m1 stop
Scandinavian Airlines Logo
4:40 pm - 6:20 pmSFO-BCN
16h 40m1 stop
$541Scandinavian Airlines
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Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
6:50 am - 12:40 pmBCN-SFO
14h 50m1 stop
United Airlines Logo
12:43 am - 9:35 amSFO-BCN
23h 52m2 stops
$542United Airlines
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Thu, Nov 27 - Tue, Dec 2
American Airlines Logo
2:00 pm - 9:49 pmBCN-SFO
16h 49m1 stop
American Airlines Logo
6:51 am - 6:45 amSFO-BCN
14h 54m1 stop
$543American Airlines
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Wed, Oct 1 - Sat, Oct 18
American Airlines Logo
10:45 am - 8:55 pmBCN-SFO
19h 10m1 stop
American Airlines Logo
8:10 pm - 4:45 pmSFO-BCN
11h 35mnonstop
$544American Airlines
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Wed, Oct 1 - Tue, Oct 7
United Airlines Logo
6:50 am - 3:55 pmBCN-SFO
18h 05m1 stop
United Airlines Logo
8:25 am - 9:35 amSFO-BCN
16h 10m1 stop
$545United Airlines
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Mon, Nov 10 - Sat, Nov 29
Air Canada Logo
6:50 am - 5:25 pmBCN-SFO
19h 35m2 stops
Air Canada Logo
11:28 pm - 9:35 amSFO-BCN
25h 07m2 stops
$546Air Canada
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Fri, Nov 21 - Sun, Nov 30
Delta Logo
6:00 am - 6:15 pmBCN-SFO
21h 15m2 stops
Delta Logo
10:31 am - 3:00 pmSFO-BCN
19h 29m2 stops
$553Delta
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Fri, Feb 13 - Fri, Mar 6
TAP AIR PORTUGAL Logo
9:10 pm - 3:30 pmBCN-SFO
26h 20m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 5:15 pmSFO-BCN
15h 40m1 stop
$570TAP AIR PORTUGAL
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Tue, Oct 28 - Wed, Nov 12
SWISS Logo
2:55 pm - 4:30 pmBCN-SFO
34h 35m1 stop
SWISS Logo
5:25 pm - 11:00 pmSFO-BCN
20h 35m2 stops
$579SWISS
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Wed, Nov 26 - Tue, Dec 2

Iberia flights from Barcelona-El Prat Airport to San Francisco

Our best Iberia deals on Barcelona-El Prat Airport to San Francisco flight tickets
Iberia
Oct 14
BCN9:20 pmBarcelona-El Prat
31h 35m
2 stops
SFO7:55 pmSan Francisco
Oct 25
SFO8:10 pmSan Francisco
11h 35m
BCN3:45 pmBarcelona-El Prat
$540
Find similar
Iberia
Sep 23
BCN12:50 pmBarcelona-El Prat
20h 09m
1 stop
SFO11:59 pmSan Francisco
Sep 30
SFO8:00 amSan Francisco
17h 10m
1 stop
BCN10:10 amBarcelona-El Prat
$552
Find similar
Iberia
Sep 24
BCN10:45 amBarcelona-El Prat
21h 24m
1 stop
SFO11:09 pmSan Francisco
Sep 30
SFO8:00 amSan Francisco
17h 10m
1 stop
BCN10:10 amBarcelona-El Prat
$555
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American Airlines flights from Barcelona-El Prat Airport to San Francisco

Our best American Airlines deals on Barcelona-El Prat Airport to San Francisco flight tickets
American Airlines
Oct 1
BCN2:00 pmBarcelona-El Prat
16h 49m
1 stop
SFO9:49 pmSan Francisco
Oct 18
SFO6:51 amSan Francisco
14h 54m
1 stop
BCN6:45 amBarcelona-El Prat
$543
Find similar
American Airlines
Oct 1
BCN10:45 amBarcelona-El Prat
19h 10m
1 stop
SFO8:55 pmSan Francisco
Oct 7
SFO8:10 pmSan Francisco
11h 35m
BCN4:45 pmBarcelona-El Prat
$544
Find similar
American Airlines
Oct 1
BCN10:45 amBarcelona-El Prat
19h 10m
1 stop
SFO8:55 pmSan Francisco
Oct 7
SFO8:10 pmSan Francisco
11h 35m
BCN4:45 pmBarcelona-El Prat
$548
Find similar

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 September 17, 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

Tue 10/14

9:20 pm-7:55 pm

2 stops31h 35m

San Francisco

Sat 10/25

8:10 pm-3:45 pm

Nonstop11h 35m

$540

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 11/27

7:10 pm-2:35 pm

1 stop28h 25m

San Francisco

Thu 12/4

4:40 pm-6:20 pm

1 stop16h 40m

$541

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 11/27

6:50 am-12:40 pm

1 stop14h 50m

San Francisco

Tue 12/2

12:43 am-9:35 am

2 stops23h 52m

$542

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 10/1

2:00 pm-9:49 pm

1 stop16h 49m

San Francisco

Sat 10/18

6:51 am-6:45 am

1 stop14h 54m

$543

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 10/1

10:45 am-8:55 pm

1 stop19h 10m

San Francisco

Tue 10/7

8:10 pm-4:45 pm

Nonstop11h 35m

$544

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 11/10

6:50 am-3:55 pm

1 stop18h 05m

San Francisco

Sat 11/29

8:25 am-9:35 am

1 stop16h 10m

$545

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 11/21

6:50 am-5:25 pm

2 stops19h 35m

San Francisco

Sun 11/30

11:28 pm-9:35 am

2 stops25h 07m

$546

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 2/13

6:00 am-6:15 pm

2 stops21h 15m

San Francisco

Fri 3/6

10:31 am-3:00 pm

2 stops19h 29m

$553

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 10/28

9:10 pm-3:30 pm

1 stop26h 20m

San Francisco

Wed 11/12

4:35 pm-5:15 pm

1 stop15h 40m

$570

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Wed 11/26

2:55 pm-4:30 pm

1 stop34h 35m

San Francisco

Tue 12/2

5:25 pm-11:00 pm

2 stops20h 35m

$579

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 typical price of a round-trip flight between Barcelona-El Prat Airport and San Francisco?

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 $513.

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 $618. 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 $680.

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 $623 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 $549 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?

You could potentially save up to 1% on your flight if you consider stops on a Barcelona-El Prat Airport to San Francisco flight.

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

As of September 2025, prices for Barcelona-El Prat Airport to San Francisco flights are approximately 1% 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

$571

Fastest flight time

12h 15m

Direct flights

Every day

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 $571. The best round-trip flight deal from Barcelona-El Prat Airport to San Francisco found on momondo in the last 72 hours is $575.
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 every day.
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 15m.

  • 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
1,185 reviews
Search Vueling flights
TAP AIR PORTUGALPriceFrom $375Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $381Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
United AirlinesPriceFrom $386Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $401Free CancellationRating
7.9
7,961 reviews
Search Delta flights
KLMPriceFrom $402Free CancellationRating
7.8
1,386 reviews
Search KLM flights
SWISSPriceFrom $416Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
LufthansaPriceFrom $425Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
LEVELPriceFrom $501Free CancellationRating
4.0
4 reviews
Search LEVEL flights
IberiaPriceFrom $533Free CancellationRating
7.0
2,925 reviews
Search Iberia flights

  • United Airlines Flights From Barcelona-El Prat Airport to San Francisco

    United Airlines operates around 7 flights from Barcelona-El Prat Airport to San Francisco every week. The average price of these flights found in the last 72 hours has been $652, but momondo users have found United Airlines deals from Barcelona-El Prat Airport to San Francisco from as low as $386 round-trip. United Airlines has been scored 7.4/10 in 8,926 reviews.

  • Vueling Flights From Barcelona-El Prat Airport to San Francisco

    The best Vueling deal for Barcelona-El Prat Airport to San Francisco flight tickets found on momondo in the last 72 hours was $294, round-trip. It should be noted that an average Vueling flight deal for this route in this time was higher, at $765 round-trip. Vueling operates 3 flights out of Barcelona-El Prat Airport into San Francisco in an average week, so prices vary by time and availability. 1,185 Vueling reviews by users on momondo have scored the airline at 7.1/10.

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
Calistoga
Bodega Bay
Roseville
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Half Moon Bay
Walnut Creek
Vallejo
Redwood City
Salinas
South San Francisco
Fairfield

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.

An easier way to manage your San Francisco trip

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