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Cheap flights from Barcelona to San Diego from $451

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 to San Diego departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Barcelona to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 pm - 6:59 pm
BCN
-
SAN
33h 14m
1 stop
Multiple Airlines Logo
7:00 am - 1:10 pm
SAN
-
BCN
21h 10m
1 stop
$709Multiple Airlines
Thu, Nov 19 - Sat, Dec 5
Multiple Airlines Logo
6:35 pm - 10:23 pm
BCN
-
SAN
36h 48m
1 stop
Multiple Airlines Logo
7:00 am - 1:10 pm
SAN
-
BCN
21h 10m
1 stop
$735Multiple Airlines
Sat, Nov 21 - Sat, Dec 5
British Airways Logo
8:00 pm - 4:10 pm
BCN
-
SAN
29h 10m
1 stop
British Airways Logo
6:00 pm - 6:25 pm
SAN
-
BCN
15h 25m
1 stop
$818British Airways
Mon, Nov 9 - Tue, Nov 17
British Airways Logo
10:15 am - 5:50 pm
BCN
-
SAN
16h 35m
1 stop
British Airways Logo
7:40 pm - 8:30 pm
SAN
-
BCN
15h 50m
1 stop
$820British Airways
Thu, Aug 27 - Tue, Sep 8
British Airways Logo
10:10 am - 4:10 pm
BCN
-
SAN
15h 00m
1 stop
British Airways Logo
6:00 pm - 6:25 pm
SAN
-
BCN
15h 25m
1 stop
$824British Airways
Mon, Nov 9 - Tue, Nov 17
British Airways Logo
10:30 am - 9:30 pm
BCN
-
SAN
20h 00m
1 stop
British Airways Logo
4:45 pm - 5:35 pm
SAN
-
BCN
15h 50m
1 stop
$831British Airways
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
10:30 am - 11:25 pm
BCN
-
SAN
21h 55m
1 stop
British Airways Logo
4:45 pm - 5:35 pm
SAN
-
BCN
15h 50m
1 stop
$832British Airways
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
10:45 am - 6:51 pm
BCN
-
SAN
17h 06m
1 stop
British Airways Logo
4:45 pm - 8:40 pm
SAN
-
BCN
18h 55m
1 stop
$833British Airways
Thu, Sep 17 - Mon, Sep 21
Delta Logo
1:10 pm - 12:10 pm
BCN
-
SAN
32h 00m
1 stop
Delta Logo
6:20 am - 8:40 am
SAN
-
BCN
17h 20m
1 stop
$835Delta
Fri, Nov 6 - Sat, Nov 14
Delta Logo
6:00 am - 6:46 pm
BCN
-
SAN
21h 46m
2 stops
Delta Logo
6:15 am - 11:10 am
SAN
-
BCN
19h 55m
2 stops
$836Delta
Mon, Nov 23 - Sun, Dec 6

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JetBlue flights from Barcelona to San Diego

Our best JetBlue deals on Barcelona to San Diego flight tickets
JetBlue
Jul 16
BCN12:50 pmBarcelona-El Prat
29h 19m
1 stop
SAN9:09 amSan Diego
Jul 29
SAN10:20 amSan Diego
14h 25m
1 stop
BCN9:45 amBarcelona-El Prat
$885
JetBlue
Jul 16
BCN12:50 pmBarcelona-El Prat
29h 19m
1 stop
SAN9:09 amSan Diego
Jul 29
SAN10:20 amSan Diego
14h 25m
1 stop
BCN9:45 amBarcelona-El Prat
$929
JetBlue
Jul 16
BCN12:50 pmBarcelona-El Prat
29h 19m
1 stop
SAN9:09 amSan Diego
Jul 29
SAN10:20 amSan Diego
14h 25m
1 stop
BCN9:45 amBarcelona-El Prat
$930

Lufthansa flights from Barcelona to San Diego

Our best Lufthansa deals on Barcelona to San Diego flight tickets
Lufthansa
Jun 20
BCN4:10 pmBarcelona-El Prat
17h 20m
1 stop
SAN12:30 amSan Diego
Jun 27
SAN10:55 amSan Diego
22h 20m
2 stops
BCN6:15 pmBarcelona-El Prat
$1,342
Lufthansa
Jun 20
BCN4:10 pmBarcelona-El Prat
17h 20m
1 stop
SAN12:30 amSan Diego
Jun 27
SAN2:00 pmSan Diego
14h 15m
1 stop
BCN1:15 pmBarcelona-El Prat
$1,379
Lufthansa
Jun 14
BCN7:55 amBarcelona-El Prat
19h 35m
2 stops
SAN6:30 pmSan Diego
Jun 20
SAN6:40 amSan Diego
21h 35m
1 stop
BCN1:15 pmBarcelona-El Prat
$1,381

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona 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 June 11, 2026.
Use the filters below to find and compare flights from Barcelona to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 11/19

6:45 pm-6:59 pm

1 stop33h 14m

San Diego

Sat 12/5

7:00 am-1:10 pm

1 stop21h 10m

$709

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 11/21

6:35 pm-10:23 pm

1 stop36h 48m

San Diego

Sat 12/5

7:00 am-1:10 pm

1 stop21h 10m

$735

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/9

8:00 pm-4:10 pm

1 stop29h 10m

San Diego

Tue 11/17

6:00 pm-6:25 pm

1 stop15h 25m

$818

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 8/27

10:15 am-5:50 pm

1 stop16h 35m

San Diego

Tue 9/8

7:40 pm-8:30 pm

1 stop15h 50m

$820
Quickest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/9

10:10 am-4:10 pm

1 stop15h 00m

San Diego

Tue 11/17

6:00 pm-6:25 pm

1 stop15h 25m

$824

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 9/17

10:30 am-9:30 pm

1 stop20h 00m

San Diego

Mon 9/21

4:45 pm-5:35 pm

1 stop15h 50m

$831

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 9/17

10:30 am-11:25 pm

1 stop21h 55m

San Diego

Mon 9/21

4:45 pm-5:35 pm

1 stop15h 50m

$832

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 9/17

10:45 am-6:51 pm

1 stop17h 06m

San Diego

Mon 9/21

4:45 pm-8:40 pm

1 stop18h 55m

$833

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 11/6

1:10 pm-12:10 pm

1 stop32h 00m

San Diego

Sat 11/14

6:20 am-8:40 am

1 stop17h 20m

$835

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/23

6:00 am-6:46 pm

2 stops21h 46m

San Diego

Sun 12/6

6:15 am-11:10 am

2 stops19h 55m

$836

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 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 and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of November, then departing from Barcelona during the month August is also very affordable. Most momondo users find prices during this month for around $345.

Cheap Barcelona to San Diego flight deals and tips

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

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from Barcelona to San Diego takes 16h 35m
There are no direct flights from Barcelona to San Diego. There are no popular flight routes from Barcelona to San Diego.
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Frequently asked questions about flying from Barcelona to San Diego

  • How far is Barcelona to San Diego by plane?

    There are 6024.0 mi between Barcelona and San Diego. Typically, this will take 16h 35m by plane in normal conditions.

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

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

  • How old do you have to be to fly from Barcelona to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona 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
Chula Vista
Coronado
El Cajon
Julian
National City
Poway
La Mesa
San Ysidro
Borrego Springs
Imperial Beach
Lemon Grove
Alpine
Santee

Why use momondo?

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

Finding the right flight to San Diego from Barcelona 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 San Diego quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to San Diego from Barcelona which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to San Diego.

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

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

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