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Cheap flights from San Francisco to Barcelona from $203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Barcelona departing on 9/29. 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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Cheap round-trip flights

Air Canada Logo
7:10 am - 7:50 amSFO-BCN
39h 40m2 stops
Air Canada Logo
12:10 pm - 11:11 amBCN-SFO
32h 01m1 stop
$460Air Canada
Find Deal
Sun, Oct 5 - Tue, Oct 21
Air Canada Logo
8:30 am - 7:50 amSFO-BCN
14h 20m1 stop
Air Canada Logo
12:10 pm - 7:51 pmBCN-SFO
16h 41m1 stop
$461Air Canada
Find Deal
Sun, Oct 5 - Tue, Oct 21
TAP AIR PORTUGAL Logo
4:35 pm - 5:15 pmSFO-BCN
15h 40m1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 2:30 pmBCN-SFO
26h 20m1 stop
$462TAP AIR PORTUGAL
Find Deal
Mon, Nov 17 - Tue, Nov 25
TAP AIR PORTUGAL Logo
5:35 pm - 5:15 pmSFO-BCN
15h 40m1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 2:30 pmBCN-SFO
26h 20m1 stop
$464TAP AIR PORTUGAL
Find Deal
Wed, Oct 29 - Tue, Nov 11
United Airlines Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
United Airlines Logo
4:00 pm - 7:15 pmBCN-SFO
12h 15mnonstop
$465United Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
United Airlines Logo
5:30 pm - 2:00 pmSFO-BCN
11h 30mnonstop
United Airlines Logo
12:10 pm - 11:11 amBCN-SFO
32h 01m1 stop
$468United Airlines
Find Deal
Sun, Oct 5 - Tue, Oct 21
Iberia Logo
8:00 am - 10:10 amSFO-BCN
17h 10m1 stop
Iberia Logo
10:45 am - 8:27 pmBCN-SFO
18h 42m1 stop
$471Iberia
Find Deal
Sun, Oct 5 - Tue, Oct 21
Iberia Logo
8:00 am - 10:10 amSFO-BCN
17h 10m1 stop
Iberia Logo
10:45 am - 10:09 pmBCN-SFO
20h 24m1 stop
$472Iberia
Find Deal
Sun, Oct 5 - Tue, Oct 21
British Airways Logo
4:30 pm - 10:45 pmSFO-BCN
21h 15m1 stop
British Airways Logo
10:45 am - 10:09 pmBCN-SFO
20h 24m1 stop
$479British Airways
Find Deal
Tue, Oct 7 - Tue, Oct 21
British Airways Logo
4:30 pm - 10:45 pmSFO-BCN
21h 15m1 stop
British Airways Logo
8:40 pm - 4:00 pmBCN-SFO
27h 20m1 stop
$498British Airways
Find Deal
Wed, Oct 8 - Tue, Oct 28

Air Canada flights from San Francisco to Barcelona-El Prat Airport

Our best Air Canada deals on San Francisco to Barcelona-El Prat Airport flight tickets
Air Canada
Oct 5
SFO7:10 amSan Francisco
39h 40m
2 stops
BCN7:50 amBarcelona-El Prat
Oct 21
BCN12:10 pmBarcelona-El Prat
32h 01m
1 stop
SFO11:11 amSan Francisco
$460
Find similar
Air Canada
Oct 5
SFO8:30 amSan Francisco
14h 20m
1 stop
BCN7:50 amBarcelona-El Prat
Oct 21
BCN12:10 pmBarcelona-El Prat
16h 41m
1 stop
SFO7:51 pmSan Francisco
$461
Find similar
Air Canada
Oct 5
SFO8:30 amSan Francisco
14h 20m
1 stop
BCN7:50 amBarcelona-El Prat
Oct 21
BCN6:50 amBarcelona-El Prat
17h 38m
2 stops
SFO3:28 pmSan Francisco
$467
Find similar

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

Our best ITA Airways deals on San Francisco to Barcelona-El Prat Airport flight tickets
ITA Airways
Oct 5
SFO3:15 pmSan Francisco
23h 00m
1 stop
BCN11:15 pmBarcelona-El Prat
Oct 21
BCN4:50 pmBarcelona-El Prat
29h 35m
1 stop
SFO1:25 pmSan Francisco
$463
Find similar
ITA Airways
Sep 3
SFO3:15 pmSan Francisco
15h 40m
1 stop
BCN3:55 pmBarcelona-El Prat
Sep 16
BCN6:20 amBarcelona-El Prat
16h 05m
1 stop
SFO1:25 pmSan Francisco
$668
Find similar
ITA Airways
Sep 3
SFO3:15 pmSan Francisco
15h 40m
1 stop
BCN3:55 pmBarcelona-El Prat
Sep 12
BCN6:20 amBarcelona-El Prat
16h 05m
1 stop
SFO1:25 pmSan Francisco
$677
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Barcelona-El Prat Airport 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 August 28, 2025.
Use the filters below to find and compare flights from San Francisco to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 10/5

7:10 am-7:50 am

2 stops39h 40m

Barcelona-El Prat

Tue 10/21

12:10 pm-11:11 am

1 stop32h 01m

$460

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 10/5

8:30 am-7:50 am

1 stop14h 20m

Barcelona-El Prat

Tue 10/21

12:10 pm-7:51 pm

1 stop16h 41m

$461

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 11/17

4:35 pm-5:15 pm

1 stop15h 40m

Barcelona-El Prat

Tue 11/25

9:10 pm-2:30 pm

1 stop26h 20m

$462

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 10/29

5:35 pm-5:15 pm

1 stop15h 40m

Barcelona-El Prat

Tue 11/11

9:10 pm-2:30 pm

1 stop26h 20m

$464

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 10/5

5:30 pm-2:00 pm

Nonstop11h 30m

Barcelona-El Prat

Tue 10/21

4:00 pm-7:15 pm

Nonstop12h 15m

$465

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 10/5

5:30 pm-2:00 pm

Nonstop11h 30m

Barcelona-El Prat

Tue 10/21

12:10 pm-11:11 am

1 stop32h 01m

$468

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 10/5

8:00 am-10:10 am

1 stop17h 10m

Barcelona-El Prat

Tue 10/21

10:45 am-8:27 pm

1 stop18h 42m

$471

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 10/5

8:00 am-10:10 am

1 stop17h 10m

Barcelona-El Prat

Tue 10/21

10:45 am-10:09 pm

1 stop20h 24m

$472

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 10/7

4:30 pm-10:45 pm

1 stop21h 15m

Barcelona-El Prat

Tue 10/21

10:45 am-10:09 pm

1 stop20h 24m

$479

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 10/8

4:30 pm-10:45 pm

1 stop21h 15m

Barcelona-El Prat

Tue 10/28

8:40 pm-4:00 pm

1 stop27h 20m

$498

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Francisco to Barcelona-El Prat Airport

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 Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from San Francisco is in January. Flight prices, which tend to average around $528, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from San Francisco during March instead. Flights to Barcelona-El Prat Airport in March, while not as cheap as those in January, still average around $550.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $769. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $949. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from San Francisco in the evening is the least expensive time of day to depart. momondo users have found prices as low as $800 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $932 on average. Flights to Barcelona-El Prat Airport from San Francisco in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $723 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from San Francisco for as low as $663 on momondo.

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

There are 3 cabin classes available to choose from on San Francisco to Barcelona-El Prat 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 San Francisco to Barcelona-El Prat Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a San Francisco to Barcelona-El Prat Airport flight.

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

As of August 2025, prices for San Francisco to Barcelona-El Prat Airport flights are approximately 32% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$302

Fastest flight time

11h 30m

Direct flights

Every day
The best one-way flight to Barcelona-El Prat Airport from San Francisco in the past 72 hours is $302. The best round-trip flight deal from San Francisco to Barcelona-El Prat Airport found on momondo in the last 72 hours is $546.
The fastest flight from San Francisco to Barcelona-El Prat Airport takes 11h 30m
Direct flights go from San Francisco to Barcelona-El Prat Airport every day.
Search flight deals

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

    The distance between San Francisco and Barcelona-El Prat is about 5944.3 mi. 11h 30m is a normal flight duration for this route.

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

    Prices for flights from San Francisco Airport to Barcelona-El Prat Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The required travel and health documents for your Barcelona-El Prat 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 Barcelona-El Prat 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 San Francisco to Barcelona-El Prat Airport?

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

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

Compare and see reviews for airlines that fly from San Francisco to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
LEVELPriceFrom $323Free CancellationRating
0.0
0 reviews
Search LEVEL flights
TAP AIR PORTUGALPriceFrom $367Free CancellationRating
7.1
1,963 reviews
Search TAP AIR PORTUGAL flights
LEVELPriceFrom $374Free CancellationRating
4.0
4 reviews
Search LEVEL flights
Virgin AtlanticPriceFrom $404Free CancellationRating
7.4
661 reviews
Search Virgin Atlantic flights
FinnairPriceFrom $418Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
VuelingPriceFrom $447Free CancellationRating
7.1
1,181 reviews
Search Vueling flights
SWISSPriceFrom $448Free CancellationRating
7.6
1,712 reviews
Search SWISS flights
Air CanadaPriceFrom $456Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $478Free CancellationRating
7.4
1,481 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $481Free CancellationRating
6.7
7,316 reviews
Search British Airways flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
L'Hospitalet de Llobregat
Tarragona
El Prat de Llobregat
Castelldefels
Santa Susanna
Badalona
Cambrils
Calella
Cadaques
Empuriabrava
Pineda de Mar
Roses
Pals
Malgrat de Mar
Palafrugell
Tortosa

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Barcelona. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Barcelona from San Francisco with this policy.

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

Once all potential San Francisco to Barcelona 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 San Francisco to Barcelona right now. Can momondo alert me if prices change?

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

An easier way to manage your Barcelona-El Prat Airport trip

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