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Cheap flights from Barcelona-El Prat Airport to San Francisco from $375

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 5/31. 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.
Iberia Logo
10:45 am - 11:19 pmBCN-SFO
21h 34m1 stop
Iberia Logo
7:45 pm - 4:30 pmSFO-BCN
11h 45mnonstop
$517Iberia
Find Deal
Sat, May 9 - Thu, May 14
TAP AIR PORTUGAL Logo
6:45 am - 4:05 pmBCN-SFO
18h 20m1 stop
TAP AIR PORTUGAL Logo
7:10 pm - 8:20 pmSFO-BCN
16h 10m1 stop
$518TAP AIR PORTUGAL
Find Deal
Fri, Jan 23 - Fri, Jan 30
Iberia Logo
9:00 pm - 3:00 pmBCN-SFO
27h 00m1 stop
Iberia Logo
5:30 pm - 9:10 amSFO-BCN
30h 40m1 stop
$519Iberia
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Mon, Feb 23 - Thu, Mar 5
TAP AIR PORTUGAL Logo
6:00 am - 2:35 pmBCN-SFO
17h 35m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 4:55 pmSFO-BCN
15h 20m1 stop
$520TAP AIR PORTUGAL
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Tue, Apr 14 - Tue, Apr 21
Iberia Logo
5:00 pm - 4:10 pmBCN-SFO
32h 10m1 stop
Iberia Logo
7:45 pm - 4:30 pmSFO-BCN
11h 45mnonstop
$521Iberia
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Mon, Apr 20 - Thu, Apr 30
Iberia Logo
10:40 am - 9:37 pmBCN-SFO
19h 57m1 stop
Iberia Logo
5:30 pm - 5:55 pmSFO-BCN
15h 25m1 stop
$522Iberia
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Tue, Jan 27 - Mon, Feb 2
Iberia Logo
12:40 pm - 12:52 amBCN-SFO
20h 12m2 stops
Iberia Logo
7:45 pm - 4:30 pmSFO-BCN
11h 45mnonstop
$523Iberia
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Mon, Mar 23 - Sun, Apr 12
Multiple Airlines Logo
3:05 pm - 11:56 amBCN-SFO
29h 51m1 stop
Multiple Airlines Logo
2:08 pm - 4:20 pmSFO-BCN
41h 12m2 stops
$524Multiple Airlines
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Thu, Jan 22 - Wed, Feb 4
SWISS Logo
6:00 am - 4:10 pmBCN-SFO
19h 10m1 stop
SWISS Logo
2:00 pm - 7:10 pmSFO-BCN
20h 10m1 stop
$525SWISS
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Mon, Mar 30 - Mon, May 4
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
$526Scandinavian Airlines
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Fri, Feb 27 - Sat, Mar 7

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
May 9
BCN10:45 amBarcelona-El Prat
21h 34m
1 stop
SFO11:19 pmSan Francisco
May 14
SFO7:45 pmSan Francisco
11h 45m
BCN4:30 pmBarcelona-El Prat
$517
Find similar
Iberia
Feb 23
BCN9:00 pmBarcelona-El Prat
27h 00m
1 stop
SFO3:00 pmSan Francisco
Mar 5
SFO5:30 pmSan Francisco
30h 40m
1 stop
BCN9:10 amBarcelona-El Prat
$519
Find similar
Iberia
Apr 20
BCN5:00 pmBarcelona-El Prat
32h 10m
1 stop
SFO4:10 pmSan Francisco
Apr 30
SFO7:45 pmSan Francisco
11h 45m
BCN4:30 pmBarcelona-El Prat
$521
Find similar

Delta flights from Barcelona-El Prat Airport to San Francisco

Our best Delta deals on Barcelona-El Prat Airport to San Francisco flight tickets
Delta
Jan 15
BCN6:00 amBarcelona-El Prat
14h 50m
1 stop
SFO11:50 amSan Francisco
Jan 28
SFO2:05 pmSan Francisco
18h 00m
2 stops
BCN5:05 pmBarcelona-El Prat
$564
Find similar
Delta
Jan 21
BCN6:00 amBarcelona-El Prat
14h 50m
1 stop
SFO11:50 amSan Francisco
Feb 5
SFO7:00 amSan Francisco
19h 10m
2 stops
BCN11:10 amBarcelona-El Prat
$565
Find similar
Delta
Jan 31
BCN6:00 amBarcelona-El Prat
26h 04m
2 stops
SFO11:04 pmSan Francisco
Feb 3
SFO10:30 amSan Francisco
15h 40m
2 stops
BCN11:10 amBarcelona-El Prat
$570
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 December 3, 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

Sat 5/9

10:45 am-11:19 pm

1 stop21h 34m

San Francisco

Thu 5/14

7:45 pm-4:30 pm

Nonstop11h 45m

$517

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 1/23

6:45 am-4:05 pm

1 stop18h 20m

San Francisco

Fri 1/30

7:10 pm-8:20 pm

1 stop16h 10m

$518

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 2/23

9:00 pm-3:00 pm

1 stop27h 00m

San Francisco

Thu 3/5

5:30 pm-9:10 am

1 stop30h 40m

$519

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 4/14

6:00 am-2:35 pm

1 stop17h 35m

San Francisco

Tue 4/21

4:35 pm-4:55 pm

1 stop15h 20m

$520

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 4/20

5:00 pm-4:10 pm

1 stop32h 10m

San Francisco

Thu 4/30

7:45 pm-4:30 pm

Nonstop11h 45m

$521

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Tue 1/27

10:40 am-9:37 pm

1 stop19h 57m

San Francisco

Mon 2/2

5:30 pm-5:55 pm

1 stop15h 25m

$522

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 3/23

12:40 pm-12:52 am

2 stops20h 12m

San Francisco

Sun 4/12

7:45 pm-4:30 pm

Nonstop11h 45m

$523

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Thu 1/22

3:05 pm-11:56 am

1 stop29h 51m

San Francisco

Wed 2/4

2:08 pm-4:20 pm

2 stops41h 12m

$524

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Mon 3/30

6:00 am-4:10 pm

1 stop19h 10m

San Francisco

Mon 5/4

2:00 pm-7:10 pm

1 stop20h 10m

$525

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

Fri 2/27

7:10 pm-2:35 pm

1 stop28h 25m

San Francisco

Sat 3/7

4:40 pm-6:20 pm

1 stop16h 40m

$526

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 $545.

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 $623. 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 $683.

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 $633 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 $565 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.

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

As of December 2025, prices for Barcelona-El Prat Airport to San Francisco flights are approximately 45% 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

Fastest flight time

12h 05m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Barcelona-El Prat Airport to San Francisco takes 12h 05m
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 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
1,214 reviews
Search Vueling flights
TAP AIR PORTUGALPriceFrom $375Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $381Free CancellationRating
6.7
7,557 reviews
Search British Airways flights
United AirlinesPriceFrom $383Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
DeltaPriceFrom $401Free CancellationRating
7.9
8,011 reviews
Search Delta flights
KLMPriceFrom $402Free CancellationRating
7.7
1,428 reviews
Search KLM flights
SWISSPriceFrom $416Free CancellationRating
7.5
1,800 reviews
Search SWISS flights
LufthansaPriceFrom $438Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
LEVELPriceFrom $501Free CancellationRating
0.0
Search LEVEL flights
IberiaPriceFrom $533Free CancellationRating
7.0
3,039 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
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Daly City
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Sunnyvale

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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