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Cheap flights from Barcelona-El Prat Airport to San Diego from $400

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Barcelona-El Prat Airport to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 8:49 amBCN  Barcelona-El Prat-SAN San Diego
35h 49m3 stops Lisbon Humberto Delgado San Francisco Dallas/Fort Worth
Multiple Airlines Logo
10:56 am - 11:45 pmSAN  San Diego-BCN Barcelona-El Prat
28h 49m2 stops San Francisco Lisbon Humberto Delgado
$774Multiple Airlines
Thu, Oct 22 - Sat, Oct 31
British Airways Logo
12:00 pm - 9:39 pmBCN  Barcelona-El Prat-SAN San Diego
18h 39m1 stop Philadelphia
British Airways Logo
8:00 am - 11:35 amSAN  San Diego-BCN Barcelona-El Prat
18h 35m2 stops Dallas/Fort Worth London Heathrow
$811British Airways
Thu, Feb 4 - Sun, Feb 7
British Airways Logo
12:00 pm - 9:39 pmBCN  Barcelona-El Prat-SAN San Diego
18h 39m1 stop Philadelphia
British Airways Logo
6:00 pm - 7:25 pmSAN  San Diego-BCN Barcelona-El Prat
16h 25m1 stop London Heathrow
$811British Airways
Thu, Feb 4 - Sun, Feb 7
British Airways Logo
12:00 pm - 9:39 pmBCN  Barcelona-El Prat-SAN San Diego
18h 39m1 stop Philadelphia
British Airways Logo
8:00 am - 11:35 amSAN  San Diego-BCN Barcelona-El Prat
18h 35m2 stops Dallas/Fort Worth London Heathrow
$812British Airways
Thu, Feb 4 - Sun, Feb 7
United Airlines Logo
11:00 am - 12:29 amBCN  Barcelona-El Prat-SAN San Diego
22h 29m3 stops Newark Denver Intl San Francisco
United Airlines Logo
7:00 am - 8:20 amSAN  San Diego-BCN Barcelona-El Prat
16h 20m2 stops Denver Intl Newark
$896United Airlines
Thu, Feb 4 - Sun, Feb 7
Lufthansa Logo
7:30 am - 8:36 pmBCN  Barcelona-El Prat-SAN San Diego
21h 06m2 stops Munich Franz Josef Strauss Denver Intl
Lufthansa Logo
12:39 pm - 1:15 pmSAN  San Diego-BCN Barcelona-El Prat
15h 36m2 stops Denver Intl Chicago O'Hare Intl
$902Lufthansa
Thu, Oct 29 - Thu, Nov 5
Lufthansa Logo
6:40 am - 6:40 pmBCN  Barcelona-El Prat-SAN San Diego
21h 00m2 stops Frankfurt am Main Chicago O'Hare Intl
Lufthansa Logo
2:08 pm - 7:55 pmSAN  San Diego-BCN Barcelona-El Prat
20h 47m2 stops Chicago O'Hare Intl Frankfurt am Main
$920Lufthansa
Fri, Oct 23 - Fri, Nov 13
Lufthansa Logo
5:55 am - 6:37 pmBCN  Barcelona-El Prat-SAN San Diego
20h 42m2 stops Frankfurt am Main San Francisco
Lufthansa Logo
11:21 am - 2:30 pmSAN  San Diego-BCN Barcelona-El Prat
18h 09m2 stops Denver Intl Munich Franz Josef Strauss
$921Lufthansa
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
8:00 am - 5:05 pmBCN  Barcelona-El Prat-SAN San Diego
18h 05m2 stops Frankfurt am Main Denver Intl
United Airlines Logo
6:45 am - 8:20 amSAN  San Diego-BCN Barcelona-El Prat
16h 35m2 stops Denver Intl Newark
$938United Airlines
Wed, Oct 21 - Tue, Nov 10
United Airlines Logo
6:50 am - 5:17 pmBCN  Barcelona-El Prat-SAN San Diego
19h 27m2 stops Frankfurt am Main Los Angeles
United Airlines Logo
11:21 am - 1:15 pmSAN  San Diego-BCN Barcelona-El Prat
16h 54m2 stops Denver Intl Chicago O'Hare Intl
$943United Airlines
Mon, Nov 2 - Sun, Nov 15

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Iberia flights from Barcelona-El Prat Airport to San Diego

Our best Iberia deals on Barcelona-El Prat Airport to San Diego flight tickets
Iberia
Oct 28
BCN10:40 amBarcelona-El Prat
16h 22m
1 stop
SAN7:02 pmSan Diego
Nov 4
SAN6:00 pmSan Diego
15h 30m
1 stop
BCN6:30 pmBarcelona-El Prat
$841
Iberia
Oct 22
BCN10:45 amBarcelona-El Prat
17h 17m
1 stop
SAN7:02 pmSan Diego
Oct 31
SAN8:00 amSan Diego
16h 50m
1 stop
BCN8:50 amBarcelona-El Prat
$847
Iberia
Sep 24
BCN8:50 amBarcelona-El Prat
23h 35m
2 stops
SAN11:25 pmSan Diego
Sep 30
SAN9:50 amSan Diego
15h 20m
1 stop
BCN10:10 amBarcelona-El Prat
$866

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

Our best American Airlines deals on Barcelona-El Prat Airport to San Diego flight tickets
American Airlines
Oct 28
BCN11:30 amBarcelona-El Prat
18h 36m
2 stops
SAN10:06 pmSan Diego
Nov 4
SAN6:00 pmSan Diego
19h 30m
1 stop
BCN10:30 pmBarcelona-El Prat
$866
American Airlines
Oct 21
BCN10:45 amBarcelona-El Prat
16h 08m
1 stop
SAN5:53 pmSan Diego
Nov 10
SAN8:00 amSan Diego
16h 10m
2 stops
BCN9:10 amBarcelona-El Prat
$876

momondo Fare Finder

 
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

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Route

Depart

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Price

Cheapest round-trip

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 10/22

6:00 am-8:49 am

3 stops35h 49m

San Diego

Sat 10/31

10:56 am-11:45 pm

2 stops28h 49m

$774

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 2/4

12:00 pm-9:39 pm

1 stop18h 39m

San Diego

Sun 2/7

8:00 am-11:35 am

2 stops18h 35m

$811

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 2/4

12:00 pm-9:39 pm

1 stop18h 39m

San Diego

Sun 2/7

6:00 pm-7:25 pm

1 stop16h 25m

$811

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 2/4

12:00 pm-9:39 pm

1 stop18h 39m

San Diego

Sun 2/7

8:00 am-11:35 am

2 stops18h 35m

$812

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 2/4

11:00 am-12:29 am

3 stops22h 29m

San Diego

Sun 2/7

7:00 am-8:20 am

2 stops16h 20m

$896

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Thu 10/29

7:30 am-8:36 pm

2 stops21h 06m

San Diego

Thu 11/5

12:39 pm-1:15 pm

2 stops15h 36m

$902

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Fri 10/23

6:40 am-6:40 pm

2 stops21h 00m

San Diego

Fri 11/13

2:08 pm-7:55 pm

2 stops20h 47m

$920

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Tue 10/27

5:55 am-6:37 pm

2 stops20h 42m

San Diego

Tue 11/3

11:21 am-2:30 pm

2 stops18h 09m

$921
Quickest round-trip

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Wed 10/21

8:00 am-5:05 pm

2 stops18h 05m

San Diego

Tue 11/10

6:45 am-8:20 am

2 stops16h 35m

$938

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Mon 11/2

6:50 am-5:17 pm

2 stops19h 27m

San Diego

Sun 11/15

11:21 am-1:15 pm

2 stops16h 54m

$943

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 Barcelona-El Prat Airport to San Diego

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 Diego?

Prices are currently low for flights on this route.

Typical prices usually range from $937 to $1,095.
The lowest price recently found on this route was $774.

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Barcelona-El Prat Airport during the month November is also very affordable. Most momondo users find prices during this month for around $807.

Can stopping save me money on Barcelona-El Prat Airport to San Diego flights?

You could potentially save up to 42% on your flight if you consider stops on a Barcelona-El Prat Airport to San Diego flight.

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

As of September 2026, prices for Barcelona-El Prat Airport to San Diego flights are approximately 50% cheaper when compared to flights at the same time last year.

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

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

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

Best Price Found

$400

Fastest flight time

14h 55m

Direct flights

None
The best one-way flight to San Diego from Barcelona-El Prat Airport in the past 72 hours is $400. The best round-trip flight deal from Barcelona-El Prat Airport to San Diego found on momondo in the last 72 hours is $774.
The fastest flight from Barcelona-El Prat Airport to San Diego takes 14h 55m
There are no direct flights from Barcelona-El Prat Airport to San Diego. There are no popular flight routes from Barcelona-El Prat Airport to San Diego.
Search flight deals

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

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

    The distance between Barcelona-El Prat and San Diego is about 6024.5 mi. A reasonable flight in good conditions will take 14h 55m.

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

    Prices for flights from Barcelona-El Prat Airport to San Diego Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego 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 Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from Barcelona-El Prat Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $836Free CancellationRating
6.8
8,229 reviews
Search Lufthansa flights
United AirlinesPriceFrom $946Free CancellationRating
7.4
10,213 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
El Cajon
Coronado
National City
La Mesa
Julian
Poway
San Ysidro
Imperial Beach
Santee
Alpine
Lemon Grove
Borrego Springs

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Barcelona to San Diego. momondo saves you time and could save you money on your trip.

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

All flight searches from Barcelona to San Diego on momondo can be filtered to show those which offer flexible booking policies.

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

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

I’m not ready to book a flight from Barcelona to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Barcelona to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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