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Cheap flights from Barcelona-El Prat Airport to San Francisco from $343

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 9/8. 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 (BCN-SFO)

Cheap round-trip flights

Logo
5:50 am - 9:22 pmBCN-SFO
24h 32m2 stops
Logo
9:40 pm - 11:20 pmSFO-BCN
16h 40m2 stops
$556
Find Deal
vie., nov. 7 - jue., nov. 20
ITA Airways Logo
6:20 am - 1:25 pmBCN-SFO
16h 05m1 stop
ITA Airways Logo
3:15 pm - 11:15 pmSFO-BCN
23h 00m1 stop
$557ITA Airways
Find Deal
vie., sep. 12 - dom., sep. 28
United Airlines Logo
6:50 am - 4:00 pmBCN-SFO
18h 10m1 stop
United Airlines Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
$564United Airlines
Find Deal
lun., oct. 6 - mar., oct. 21
Delta Logo
6:20 am - 11:45 amBCN-SFO
14h 25m1 stop
Delta Logo
6:15 am - 9:00 amSFO-BCN
17h 45m2 stops
$565Delta
Find Deal
jue., sep. 11 - sáb., sep. 27
Delta Logo
6:00 am - 11:50 amBCN-SFO
14h 50m1 stop
Delta Logo
6:00 am - 11:10 amSFO-BCN
20h 10m2 stops
$567Delta
Find Deal
mié., nov. 5 - jue., nov. 13
Lufthansa Logo
4:00 pm - 7:15 pmBCN-SFO
12h 15mnonstop
Lufthansa Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
$579Lufthansa
Find Deal
mar., oct. 7 - lun., oct. 20
United Airlines Logo
11:15 am - 12:55 amBCN-SFO
22h 40m1 stop
United Airlines Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
$580United Airlines
Find Deal
sáb., oct. 4 - mar., oct. 21
Iberia Logo
1:30 pm - 10:54 pmBCN-SFO
18h 24m1 stop
Iberia Logo
8:10 pm - 4:45 pmSFO-BCN
11h 35mnonstop
$582Iberia
Find Deal
jue., sep. 11 - sáb., sep. 27
Lufthansa Logo
4:00 pm - 7:15 pmBCN-SFO
12h 15mnonstop
Lufthansa Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
$598Lufthansa
Find Deal
mié., sep. 24 - dom., sep. 28
Iberia Logo
2:05 pm - 6:10 pmBCN-SFO
13h 05mnonstop
Iberia Logo
8:10 pm - 4:45 pmSFO-BCN
11h 35mnonstop
$603Iberia
Find Deal
jue., sep. 11 - sáb., sep. 27

ITA Airways flights from Barcelona-El Prat Airport to San Francisco

Our best ITA Airways deals on Barcelona-El Prat Airport to San Francisco flight tickets
ITA Airways
Sep 12
BCN6:20 amBarcelona-El Prat
16h 05m
1 stop
SFO1:25 pmSan Francisco
Sep 28
SFO3:15 pmSan Francisco
23h 00m
1 stop
BCN11:15 pmBarcelona-El Prat
$557
Find similar
ITA Airways
Sep 2
BCN6:20 amBarcelona-El Prat
16h 05m
1 stop
SFO1:25 pmSan Francisco
Sep 16
SFO3:15 pmSan Francisco
23h 00m
1 stop
BCN11:15 pmBarcelona-El Prat
$645
Find similar
ITA Airways
Sep 6
BCN6:20 amBarcelona-El Prat
16h 05m
1 stop
SFO1:25 pmSan Francisco
Sep 23
SFO3:15 pmSan Francisco
23h 00m
1 stop
BCN11:15 pmBarcelona-El Prat
$648
Find similar

British Airways flights from Barcelona-El Prat Airport to San Francisco

Our best British Airways deals on Barcelona-El Prat Airport to San Francisco flight tickets
British Airways
Nov 1
BCN6:40 amBarcelona-El Prat
19h 20m
2 stops
SFO6:00 pmSan Francisco
Nov 27
SFO11:00 amSan Francisco
18h 45m
2 stops
BCN2:45 pmBarcelona-El Prat
$558
Find similar
British Airways
Sep 11
BCN1:30 pmBarcelona-El Prat
18h 24m
1 stop
SFO10:54 pmSan Francisco
Sep 27
SFO8:00 amSan Francisco
17h 30m
1 stop
BCN10:30 amBarcelona-El Prat
$559
Find similar
British Airways
Sep 11
BCN10:45 amBarcelona-El Prat
19h 05m
1 stop
SFO8:50 pmSan Francisco
Sep 27
SFO10:14 amSan Francisco
15h 16m
1 stop
BCN10:30 amBarcelona-El Prat
$560
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 agosto 28, 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

vie. 11/7

5:50 am-9:22 pm

2 stops24h 32m

San Francisco

jue. 11/20

9:40 pm-11:20 pm

2 stops16h 40m

$556

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

vie. 9/12

6:20 am-1:25 pm

1 stop16h 05m

San Francisco

dom. 9/28

3:15 pm-11:15 pm

1 stop23h 00m

$557

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

lun. 10/6

6:50 am-4:00 pm

1 stop18h 10m

San Francisco

mar. 10/21

5:30 pm-2:00 pm

Nonstop11h 30m

$564

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

jue. 9/11

6:20 am-11:45 am

1 stop14h 25m

San Francisco

sáb. 9/27

6:15 am-9:00 am

2 stops17h 45m

$565

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

mié. 11/5

6:00 am-11:50 am

1 stop14h 50m

San Francisco

jue. 11/13

6:00 am-11:10 am

2 stops20h 10m

$567

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

mar. 10/7

4:00 pm-7:15 pm

Nonstop12h 15m

San Francisco

lun. 10/20

5:30 pm-2:00 pm

Nonstop11h 30m

$579

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

sáb. 10/4

11:15 am-12:55 am

1 stop22h 40m

San Francisco

mar. 10/21

5:30 pm-2:00 pm

Nonstop11h 30m

$580

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

jue. 9/11

1:30 pm-10:54 pm

1 stop18h 24m

San Francisco

sáb. 9/27

8:10 pm-4:45 pm

Nonstop11h 35m

$582

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

mié. 9/24

4:00 pm-7:15 pm

Nonstop12h 15m

San Francisco

dom. 9/28

5:30 pm-2:00 pm

Nonstop11h 30m

$598

BarcelonaSan Francisco

BCN - SFO

BCNSFO

Barcelona-El Prat

jue. 9/11

2:05 pm-6:10 pm

Nonstop13h 05m

San Francisco

sáb. 9/27

8:10 pm-4:45 pm

Nonstop11h 35m

$603

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 November is also cheap. Prices for this month can be found on momondo for an average of $511.

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 $803.

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 $677.

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 $618 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 $556 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 August 2025, prices for Barcelona-El Prat Airport to San Francisco flights are approximately 8% 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

$536

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 $536. The best round-trip flight deal from Barcelona-El Prat Airport to San Francisco found on momondo in the last 72 hours is $545.
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
1,181 reviews
Search Vueling flights
TAP AIR PORTUGALPriceFrom $375Free CancellationRating
7.1
1,963 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $381Free CancellationRating
6.7
7,316 reviews
Search British Airways flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $401Free CancellationRating
7.9
7,977 reviews
Search Delta flights
KLMPriceFrom $409Free CancellationRating
7.8
1,382 reviews
Search KLM flights
SWISSPriceFrom $416Free CancellationRating
7.6
1,712 reviews
Search SWISS flights
LufthansaPriceFrom $425Free CancellationRating
6.8
7,368 reviews
Search Lufthansa flights
LEVELPriceFrom $501Free CancellationRating
4.0
4 reviews
Search LEVEL flights
IberiaPriceFrom $533Free CancellationRating
7.0
2,892 reviews
Search Iberia flights

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

    United Airlines operates around 5 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 $630, but momondo users have found United Airlines deals from Barcelona-El Prat Airport to San Francisco from as low as $387 round-trip. United Airlines has been scored 7.4/10 in 8,944 reviews.

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

    The best Iberia deal for Barcelona-El Prat Airport to San Francisco flight tickets found on momondo in the last 72 hours was $533, round-trip. It should be noted that an average Iberia flight deal for this route in this time was higher, at $811 round-trip. Iberia operates 1 flight out of Barcelona-El Prat Airport into San Francisco in an average week, so prices vary by time and availability. 2,892 Iberia reviews by users on momondo have scored the airline at 7.0/10.

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

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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