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Cheap flights from Barcelona-El Prat Airport to San Diego from $367

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 Diego departing on 4/29. 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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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
2:05 pm - 8:15 am
BCN
-
SAN
27h 10m
1 stop
Multiple Airlines Logo
8:39 am - 4:25 pm
SAN
-
BCN
22h 46m
1 stop
$688Multiple Airlines
Tue, Apr 14 - Sun, Apr 26
Multiple Airlines Logo
2:05 pm - 7:58 am
BCN
-
SAN
26h 53m
1 stop
Multiple Airlines Logo
3:17 pm - 4:25 pm
SAN
-
BCN
16h 08m
1 stop
$740Multiple Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
6:00 am - 10:14 pm
BCN
-
SAN
25h 14m
2 stops
Multiple Airlines Logo
8:00 am - 4:25 pm
SAN
-
BCN
23h 25m
1 stop
$754Multiple Airlines
Tue, Apr 14 - Sun, Apr 26
Multiple Airlines Logo
10:40 pm - 10:14 pm
BCN
-
SAN
32h 34m
2 stops
Multiple Airlines Logo
8:00 am - 4:25 pm
SAN
-
BCN
23h 25m
1 stop
$767Multiple Airlines
Mon, Apr 13 - Sun, Apr 26
Delta Logo
6:00 am - 12:05 pm
BCN
-
SAN
15h 05m
1 stop
Delta Logo
3:45 pm - 5:05 pm
SAN
-
BCN
17h 20m
2 stops
$779Delta
Thu, Mar 5 - Mon, Mar 9
KLM Logo
6:00 am - 12:05 pm
BCN
-
SAN
15h 05m
1 stop
KLM Logo
7:00 am - 7:00 am
SAN
-
BCN
16h 00m
1 stop
$783KLM
Thu, Mar 5 - Mon, Mar 9
Delta Logo
1:00 pm - 12:05 pm
BCN
-
SAN
32h 05m
1 stop
Delta Logo
7:00 am - 10:25 am
SAN
-
BCN
19h 25m
2 stops
$784Delta
Wed, Mar 4 - Wed, Mar 11
Delta Logo
6:00 am - 6:45 pm
BCN
-
SAN
21h 45m
2 stops
Delta Logo
9:50 am - 3:00 pm
SAN
-
BCN
21h 10m
2 stops
$785Delta
Thu, Mar 5 - Mon, Mar 9
Delta Logo
6:00 am - 5:50 pm
BCN
-
SAN
20h 50m
2 stops
Delta Logo
7:00 am - 10:25 am
SAN
-
BCN
19h 25m
2 stops
$789Delta
Wed, Mar 4 - Wed, Mar 11
British Airways Logo
12:30 pm - 9:59 pm
BCN
-
SAN
18h 29m
1 stop
British Airways Logo
6:23 am - 8:00 am
SAN
-
BCN
17h 37m
1 stop
$790British Airways
Wed, Mar 4 - Wed, Mar 11

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

Our best British Airways deals on Barcelona-El Prat Airport to San Diego flight tickets
British Airways
Mar 4
BCN12:30 pmBarcelona-El Prat
18h 29m
1 stop
SAN9:59 pmSan Diego
Mar 11
SAN6:23 amSan Diego
17h 37m
1 stop
BCN8:00 amBarcelona-El Prat
$790
British Airways
Apr 26
BCN8:40 pmBarcelona-El Prat
27h 15m
1 stop
SAN2:55 pmSan Diego
May 3
SAN4:45 pmSan Diego
16h 40m
1 stop
BCN6:25 pmBarcelona-El Prat
$845

Delta flights from Barcelona-El Prat Airport to San Diego

Our best Delta deals on Barcelona-El Prat Airport to San Diego flight tickets
Delta
Mar 5
BCN6:00 amBarcelona-El Prat
15h 05m
1 stop
SAN12:05 pmSan Diego
Mar 9
SAN3:45 pmSan Diego
17h 20m
2 stops
BCN5:05 pmBarcelona-El Prat
$779
Delta
Mar 4
BCN1:00 pmBarcelona-El Prat
32h 05m
1 stop
SAN12:05 pmSan Diego
Mar 11
SAN7:00 amSan Diego
19h 25m
2 stops
BCN10:25 amBarcelona-El Prat
$784
Delta
Mar 5
BCN6:00 amBarcelona-El Prat
21h 45m
2 stops
SAN6:45 pmSan Diego
Mar 9
SAN9:50 amSan Diego
21h 10m
2 stops
BCN3:00 pmBarcelona-El Prat
$785

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to San Diego 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 February 20, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 4/14

2:05 pm-8:15 am

1 stop27h 10m

San Diego

Sun 4/26

8:39 am-4:25 pm

1 stop22h 46m

$688

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 5/21

2:05 pm-7:58 am

1 stop26h 53m

San Diego

Thu 5/28

3:17 pm-4:25 pm

1 stop16h 08m

$740

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 4/14

6:00 am-10:14 pm

2 stops25h 14m

San Diego

Sun 4/26

8:00 am-4:25 pm

1 stop23h 25m

$754

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 4/13

10:40 pm-10:14 pm

2 stops32h 34m

San Diego

Sun 4/26

8:00 am-4:25 pm

1 stop23h 25m

$767

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 3/5

6:00 am-12:05 pm

1 stop15h 05m

San Diego

Mon 3/9

3:45 pm-5:05 pm

2 stops17h 20m

$779

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 3/5

6:00 am-12:05 pm

1 stop15h 05m

San Diego

Mon 3/9

7:00 am-7:00 am

1 stop16h 00m

$783

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 3/4

1:00 pm-12:05 pm

1 stop32h 05m

San Diego

Wed 3/11

7:00 am-10:25 am

2 stops19h 25m

$784

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 3/5

6:00 am-6:45 pm

2 stops21h 45m

San Diego

Mon 3/9

9:50 am-3:00 pm

2 stops21h 10m

$785

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 3/4

6:00 am-5:50 pm

2 stops20h 50m

San Diego

Wed 3/11

7:00 am-10:25 am

2 stops19h 25m

$789

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 3/4

12:30 pm-9:59 pm

1 stop18h 29m

San Diego

Wed 3/11

6:23 am-8:00 am

1 stop17h 37m

$790

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 Diego from

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 cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of March, then departing from Barcelona-El Prat Airport during the month May is also very affordable. Most momondo users find prices during this month for around $774.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $944 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Barcelona-El Prat Airport for as low as $752 on momondo.

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

You could potentially save up to 27% 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 February 2026, prices for Barcelona-El Prat Airport to San Diego flights are approximately 5% 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

Fastest flight time

19h 36m

Direct flights

None
The fastest flight from Barcelona-El Prat Airport to San Diego takes 19h 36m
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

  • 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 19h 36m.

  • 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 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.

Traveling to a place near San Diego?

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

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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