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Cheap flights from Barcelona to San Diego from $426

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 12/5. 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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Multiple Airlines Logo
9:15 pm - 8:29 pmBCN-SAN
56h 14m2 stops
Multiple Airlines Logo
7:51 am - 1:20 pmSAN-BCN
20h 29m1 stop
$690Multiple Airlines
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Sun, Jan 25 - Sat, Feb 7
British Airways Logo
10:40 am - 8:27 pmBCN-SAN
18h 47m1 stop
British Airways Logo
6:00 pm - 6:25 pmSAN-BCN
15h 25m1 stop
$738British Airways
Find Deal
Mon, Feb 16 - Tue, Feb 24
Scandinavian Airlines Logo
7:10 pm - 9:07 pmBCN-SAN
34h 57m2 stops
Scandinavian Airlines Logo
7:00 am - 6:20 pmSAN-BCN
26h 20m2 stops
$754Scandinavian Airlines
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Mon, Jan 26 - Wed, Feb 25
Scandinavian Airlines Logo
7:10 pm - 10:55 pmBCN-SAN
36h 45m2 stops
Scandinavian Airlines Logo
7:00 am - 6:05 pmSAN-BCN
26h 05m2 stops
$755Scandinavian Airlines
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Mon, Feb 16 - Tue, Feb 24
United Airlines Logo
6:50 am - 8:47 pmBCN-SAN
22h 57m2 stops
United Airlines Logo
10:15 pm - 8:20 amSAN-BCN
25h 05m1 stop
$757United Airlines
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Mon, Jan 26 - Wed, Feb 25
United Airlines Logo
6:50 am - 8:47 pmBCN-SAN
22h 57m2 stops
United Airlines Logo
10:15 pm - 8:20 amSAN-BCN
25h 05m1 stop
$759United Airlines
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Mon, Jan 26 - Wed, Feb 25
Delta Logo
6:00 am - 6:21 pmBCN-SAN
21h 21m2 stops
Delta Logo
10:30 pm - 8:00 amSAN-BCN
24h 30m2 stops
$797Delta
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Sun, Dec 14 - Sun, Jan 11
Delta Logo
10:55 am - 11:28 pmBCN-SAN
21h 33m1 stop
Delta Logo
10:30 pm - 8:00 amSAN-BCN
24h 30m2 stops
$798Delta
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Fri, Dec 26 - Sun, Jan 11
KLM Logo
10:15 am - 9:05 pmBCN-SAN
19h 50m1 stop
KLM Logo
10:15 pm - 8:00 amSAN-BCN
24h 45m1 stop
$803KLM
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Sun, Dec 14 - Sun, Jan 11
KLM Logo
10:55 am - 9:18 pmBCN-SAN
19h 23m1 stop
KLM Logo
2:15 pm - 8:40 amSAN-BCN
33h 25m1 stop
$829KLM
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Mon, Dec 15 - Mon, Dec 22

British Airways flights from Barcelona to San Diego

Our best British Airways deals on Barcelona to San Diego flight tickets
British Airways
Feb 16
BCN10:40 amBarcelona-El Prat
18h 47m
1 stop
SAN8:27 pmSan Diego
Feb 24
SAN6:00 pmSan Diego
15h 25m
1 stop
BCN6:25 pmBarcelona-El Prat
$738
Find similar
British Airways
Jan 26
BCN12:30 pmBarcelona-El Prat
19h 28m
1 stop
SAN10:58 pmSan Diego
Feb 25
SAN6:00 pmSan Diego
15h 25m
1 stop
BCN6:25 pmBarcelona-El Prat
$758
Find similar
British Airways
Jan 26
BCN10:40 amBarcelona-El Prat
19h 01m
1 stop
SAN8:41 pmSan Diego
Feb 25
SAN6:00 pmSan Diego
15h 25m
1 stop
BCN6:25 pmBarcelona-El Prat
$760
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Scandinavian Airlines flights from Barcelona to San Diego

Our best Scandinavian Airlines deals on Barcelona to San Diego flight tickets
Scandinavian Airlines
Jan 26
BCN7:10 pmBarcelona-El Prat
34h 57m
2 stops
SAN9:07 pmSan Diego
Feb 25
SAN7:00 amSan Diego
26h 20m
2 stops
BCN6:20 pmBarcelona-El Prat
$754
Find similar
Scandinavian Airlines
Feb 16
BCN7:10 pmBarcelona-El Prat
36h 45m
2 stops
SAN10:55 pmSan Diego
Feb 24
SAN7:00 amSan Diego
26h 05m
2 stops
BCN6:05 pmBarcelona-El Prat
$755
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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 November 1, 2025.
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

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 1/25

9:15 pm-8:29 pm

2 stops56h 14m

San Diego

Sat 2/7

7:51 am-1:20 pm

1 stop20h 29m

$690

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/16

10:40 am-8:27 pm

1 stop18h 47m

San Diego

Tue 2/24

6:00 pm-6:25 pm

1 stop15h 25m

$738

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

7:10 pm-9:07 pm

2 stops34h 57m

San Diego

Wed 2/25

7:00 am-6:20 pm

2 stops26h 20m

$754

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/16

7:10 pm-10:55 pm

2 stops36h 45m

San Diego

Tue 2/24

7:00 am-6:05 pm

2 stops26h 05m

$755

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

6:50 am-8:47 pm

2 stops22h 57m

San Diego

Wed 2/25

10:15 pm-8:20 am

1 stop25h 05m

$757

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

6:50 am-8:47 pm

2 stops22h 57m

San Diego

Wed 2/25

10:15 pm-8:20 am

1 stop25h 05m

$759

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 12/14

6:00 am-6:21 pm

2 stops21h 21m

San Diego

Sun 1/11

10:30 pm-8:00 am

2 stops24h 30m

$797

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 12/26

10:55 am-11:28 pm

1 stop21h 33m

San Diego

Sun 1/11

10:30 pm-8:00 am

2 stops24h 30m

$798

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sun 12/14

10:15 am-9:05 pm

1 stop19h 50m

San Diego

Sun 1/11

10:15 pm-8:00 am

1 stop24h 45m

$803

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 12/15

10:55 am-9:18 pm

1 stop19h 23m

San Diego

Mon 12/22

2:15 pm-8:40 am

1 stop33h 25m

$829

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 March, then departing from Barcelona during the month January is also very affordable. Most momondo users find prices during this month for around $723.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Barcelona to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $785. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,346. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $904. Flights in the afternoon are often more expensive with an average ticket price of $1,239.

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $862 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 for as low as $751 on momondo.

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

Direct flights

None
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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  • How far is Barcelona to San Diego by plane?

    There are 6024.0 mi between Barcelona and San Diego. Typically, this will take 15h 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
Coronado
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
Poway
Borrego Springs
San Ysidro
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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