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Cheap flights from San Diego to Barcelona from $370

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 Diego to Barcelona departing on 9/28. 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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0 bags

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Find the cheapest flights from San Diego to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 am - 9:00 am
SAN
-
BCN
17h 40m
2 stops
United Airlines Logo
7:55 am - 3:25 pm
BCN
-
SAN
16h 30m
1 stop
$794United Airlines
Tue, Sep 22 - Wed, Sep 30
Delta Logo
12:50 pm - 12:50 pm
SAN
-
BCN
15h 00m
1 stop
Delta Logo
6:20 am - 11:50 am
BCN
-
SAN
14h 30m
1 stop
$795Delta
Tue, Sep 22 - Tue, Oct 6
United Airlines Logo
7:15 am - 2:20 pm
SAN
-
BCN
22h 05m
1 stop
United Airlines Logo
6:40 am - 5:26 pm
BCN
-
SAN
19h 46m
2 stops
$798United Airlines
Mon, Sep 21 - Tue, Oct 6
Delta Logo
7:00 am - 11:15 am
SAN
-
BCN
19h 15m
2 stops
Delta Logo
11:00 am - 6:23 pm
BCN
-
SAN
16h 23m
1 stop
$799Delta
Wed, Sep 23 - Thu, Oct 1
United Airlines Logo
5:15 pm - 5:55 pm
SAN
-
BCN
15h 40m
1 stop
United Airlines Logo
7:55 am - 3:25 pm
BCN
-
SAN
16h 30m
1 stop
$802United Airlines
Wed, Sep 23 - Wed, Sep 30
Delta Logo
10:00 pm - 8:35 am
SAN
-
BCN
25h 35m
1 stop
Delta Logo
6:10 am - 8:48 pm
BCN
-
SAN
23h 38m
2 stops
$807Delta
Sat, Sep 26 - Fri, Oct 2
Lufthansa Logo
5:15 pm - 10:25 pm
SAN
-
BCN
20h 10m
1 stop
Lufthansa Logo
7:55 am - 3:25 pm
BCN
-
SAN
16h 30m
1 stop
$811Lufthansa
Fri, Sep 18 - Fri, Sep 25
Lufthansa Logo
5:15 pm - 5:55 pm
SAN
-
BCN
15h 40m
1 stop
Lufthansa Logo
7:55 am - 3:25 pm
BCN
-
SAN
16h 30m
1 stop
$812Lufthansa
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
9:19 am - 4:25 pm
SAN
-
BCN
22h 06m
1 stop
Multiple Airlines Logo
8:20 pm - 11:12 pm
BCN
-
SAN
35h 52m
2 stops
$815Multiple Airlines
Thu, Apr 23 - Mon, May 4
Lufthansa Logo
2:24 pm - 5:55 pm
SAN
-
BCN
18h 31m
2 stops
Lufthansa Logo
9:05 am - 3:25 pm
BCN
-
SAN
15h 20m
1 stop
$816Lufthansa
Fri, Sep 18 - Fri, Sep 25

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

Our best United Airlines deals on San Diego to Barcelona-El Prat Airport flight tickets
United Airlines
Sep 22
SAN6:20 amSan Diego
17h 40m
2 stops
BCN9:00 amBarcelona-El Prat
Sep 30
BCN7:55 amBarcelona-El Prat
16h 30m
1 stop
SAN3:25 pmSan Diego
$794
United Airlines
Sep 21
SAN7:15 amSan Diego
22h 05m
1 stop
BCN2:20 pmBarcelona-El Prat
Oct 6
BCN6:40 amBarcelona-El Prat
19h 46m
2 stops
SAN5:26 pmSan Diego
$798
United Airlines
Sep 23
SAN5:15 pmSan Diego
15h 40m
1 stop
BCN5:55 pmBarcelona-El Prat
Sep 30
BCN7:55 amBarcelona-El Prat
16h 30m
1 stop
SAN3:25 pmSan Diego
$802

Delta flights from San Diego to Barcelona-El Prat Airport

Our best Delta deals on San Diego to Barcelona-El Prat Airport flight tickets
Delta
Sep 22
SAN12:50 pmSan Diego
15h 00m
1 stop
BCN12:50 pmBarcelona-El Prat
Oct 6
BCN6:20 amBarcelona-El Prat
14h 30m
1 stop
SAN11:50 amSan Diego
$795
Delta
Sep 23
SAN7:00 amSan Diego
19h 15m
2 stops
BCN11:15 amBarcelona-El Prat
Oct 1
BCN11:00 amBarcelona-El Prat
16h 23m
1 stop
SAN6:23 pmSan Diego
$799
Delta
Sep 26
SAN10:00 pmSan Diego
25h 35m
1 stop
BCN8:35 amBarcelona-El Prat
Oct 2
BCN6:10 amBarcelona-El Prat
23h 38m
2 stops
SAN8:48 pmSan Diego
$807

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 April 1, 2026.
Use the filters below to find and compare flights from San Diego to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 9/22

6:20 am-9:00 am

2 stops17h 40m

Barcelona-El Prat

Wed 9/30

7:55 am-3:25 pm

1 stop16h 30m

$794
Quickest round-trip

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 9/22

12:50 pm-12:50 pm

1 stop15h 00m

Barcelona-El Prat

Tue 10/6

6:20 am-11:50 am

1 stop14h 30m

$795

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 9/21

7:15 am-2:20 pm

1 stop22h 05m

Barcelona-El Prat

Tue 10/6

6:40 am-5:26 pm

2 stops19h 46m

$798

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 9/23

7:00 am-11:15 am

2 stops19h 15m

Barcelona-El Prat

Thu 10/1

11:00 am-6:23 pm

1 stop16h 23m

$799

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 9/23

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Wed 9/30

7:55 am-3:25 pm

1 stop16h 30m

$802

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 9/26

10:00 pm-8:35 am

1 stop25h 35m

Barcelona-El Prat

Fri 10/2

6:10 am-8:48 pm

2 stops23h 38m

$807

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 9/18

5:15 pm-10:25 pm

1 stop20h 10m

Barcelona-El Prat

Fri 9/25

7:55 am-3:25 pm

1 stop16h 30m

$811

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 9/18

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Fri 9/25

7:55 am-3:25 pm

1 stop16h 30m

$812

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 4/23

9:19 am-4:25 pm

1 stop22h 06m

Barcelona-El Prat

Mon 5/4

8:20 pm-11:12 pm

2 stops35h 52m

$815

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 9/18

2:24 pm-5:55 pm

2 stops18h 31m

Barcelona-El Prat

Fri 9/25

9:05 am-3:25 pm

1 stop15h 20m

$816

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Barcelona from

How to get the cheapest flight ticket from San Diego 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 typical price of a round-trip flight between San Diego and Barcelona-El Prat Airport?

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from San Diego is in November. Flight prices, which tend to average around $632, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from San Diego during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around $633.

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 Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $790 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 Diego for as low as $670 on momondo.

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

As of April 2026, prices for San Diego to Barcelona-El Prat Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego 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 Diego to Barcelona-El Prat Airport (SAN to BCN) flight deals and tips

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

Fastest flight time

14h 35m

Direct flights

None
The fastest flight from San Diego to Barcelona-El Prat Airport takes 14h 35m
There are no direct flights from San Diego to Barcelona-El Prat Airport. There are no popular flight routes from San Diego to Barcelona-El Prat Airport.
Search flight deals

Frequently asked questions about flying from San Diego to Barcelona-El Prat Airport

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

    San Diego and Barcelona-El Prat are 6024.5 mi apart from one another. In terms of flight time, this usually takes a little over 14h 35m.

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

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

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

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

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

    The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from San Diego to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $383Free CancellationRating
7.8
1,481 reviews
Search KLM flights
LufthansaPriceFrom $463Free CancellationRating
6.8
7,880 reviews
Search Lufthansa flights
IberiaPriceFrom $477Free CancellationRating
7.0
3,162 reviews
Search Iberia flights
DeltaPriceFrom $487Free CancellationRating
7.9
8,368 reviews
Search Delta flights
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights
Air CanadaPriceFrom $498Free CancellationRating
7.1
10,873 reviews
Search Air Canada flights
British AirwaysPriceFrom $515Free CancellationRating
6.7
7,841 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $565Free CancellationRating
7.3
1,734 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $601Free CancellationRating
7.1
11,544 reviews
Search American Airlines 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
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cambrils
Cadaques
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Palafrugell
Calella de Palafrugell
La Pineda

Why use momondo?

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

Finding the right flight to Barcelona from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Barcelona quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for San Diego to Barcelona flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Barcelona from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego 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 Diego and alert you when they change.

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

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