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Cheap flights from Barcelona-El Prat Airport to San Diego from $374

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 5/11. 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 Barcelona-El Prat Airport to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:10 pm - 8:00 pm
BCN
-
SAN
34h 50m1 stop
Multiple Airlines Logo
7:35 am - 1:20 pm
SAN
-
BCN
20h 45m1 stop
$666Multiple Airlines
Mon, Feb 9 - Mon, Feb 23
Multiple Airlines Logo
6:10 pm - 8:00 pm
BCN
-
SAN
34h 50m1 stop
Multiple Airlines Logo
7:51 am - 1:20 pm
SAN
-
BCN
20h 29m1 stop
$675Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
6:35 pm - 7:19 pm
BCN
-
SAN
33h 44m2 stops
Multiple Airlines Logo
8:06 am - 1:20 pm
SAN
-
BCN
20h 14m1 stop
$690Multiple Airlines
Mon, Feb 9 - Mon, Feb 23
Multiple Airlines Logo
7:00 am - 11:47 am
BCN
-
SAN
37h 47m2 stops
Multiple Airlines Logo
7:51 am - 1:20 pm
SAN
-
BCN
20h 29m1 stop
$701Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
2:05 pm - 8:39 am
BCN
-
SAN
27h 34m1 stop
Multiple Airlines Logo
11:00 am - 4:25 pm
SAN
-
BCN
20h 25m1 stop
$733Multiple Airlines
Thu, Apr 23 - Tue, May 5
Multiple Airlines Logo
6:00 am - 6:00 pm
BCN
-
SAN
21h 00m2 stops
Multiple Airlines Logo
11:16 am - 2:00 pm
SAN
-
BCN
17h 44m2 stops
$762Multiple Airlines
Mon, Jan 26 - Wed, Feb 25
Multiple Airlines Logo
10:05 am - 10:31 pm
BCN
-
SAN
21h 26m2 stops
Multiple Airlines Logo
9:50 am - 11:10 am
SAN
-
BCN
16h 20m2 stops
$763Multiple Airlines
Mon, Jan 26 - Wed, Feb 25
Delta Logo
10:15 am - 8:25 pm
BCN
-
SAN
19h 10m1 stop
Delta Logo
11:43 am - 3:00 pm
SAN
-
BCN
18h 17m2 stops
$764Delta
Mon, Jan 12 - Sun, Jan 25
Iberia Logo
10:40 am - 8:41 pm
BCN
-
SAN
19h 01m1 stop
Iberia Logo
6:00 pm - 6:25 pm
SAN
-
BCN
15h 25m1 stop
$766Iberia
Mon, Jan 26 - Wed, Feb 25
Iberia Logo
10:40 am - 8:41 pm
BCN
-
SAN
19h 01m1 stop
Iberia Logo
6:00 pm - 6:25 pm
SAN
-
BCN
15h 25m1 stop
$767Iberia
Mon, Jan 26 - Wed, Feb 25

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
Jan 12
BCN10:15 amBarcelona-El Prat
19h 10m
1 stop
SAN8:25 pmSan Diego
Jan 25
SAN11:43 amSan Diego
18h 17m
2 stops
BCN3:00 pmBarcelona-El Prat
$764
Find similar
Delta
Jan 13
BCN6:00 amBarcelona-El Prat
21h 58m
2 stops
SAN6:58 pmSan Diego
May 28
SAN3:59 pmSan Diego
16h 11m
2 stops
BCN5:10 pmBarcelona-El Prat
$803
Find similar
Delta
Jan 13
BCN6:00 amBarcelona-El Prat
21h 58m
2 stops
SAN6:58 pmSan Diego
May 28
SAN1:35 pmSan Diego
18h 35m
2 stops
BCN5:10 pmBarcelona-El Prat
$804
Find similar

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
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
$766
Find similar
Iberia
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
$767
Find similar
Iberia
Apr 23
BCN10:45 amBarcelona-El Prat
17h 18m
1 stop
SAN7:03 pmSan Diego
May 4
SAN7:40 pmSan Diego
18h 00m
1 stop
BCN10:40 pmBarcelona-El Prat
$820
Find similar

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 December 21, 2025.
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

Mon 2/9

6:10 pm-8:00 pm

1 stop34h 50m

San Diego

Mon 2/23

7:35 am-1:20 pm

1 stop20h 45m

$666

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 2/3

6:10 pm-8:00 pm

1 stop34h 50m

San Diego

Tue 2/10

7:51 am-1:20 pm

1 stop20h 29m

$675

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/9

6:35 pm-7:19 pm

2 stops33h 44m

San Diego

Mon 2/23

8:06 am-1:20 pm

1 stop20h 14m

$690

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 2/3

7:00 am-11:47 am

2 stops37h 47m

San Diego

Tue 2/10

7:51 am-1:20 pm

1 stop20h 29m

$701

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 4/23

2:05 pm-8:39 am

1 stop27h 34m

San Diego

Tue 5/5

11:00 am-4:25 pm

1 stop20h 25m

$733

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

6:00 am-6:00 pm

2 stops21h 00m

San Diego

Wed 2/25

11:16 am-2:00 pm

2 stops17h 44m

$762

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

10:05 am-10:31 pm

2 stops21h 26m

San Diego

Wed 2/25

9:50 am-11:10 am

2 stops16h 20m

$763

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/12

10:15 am-8:25 pm

1 stop19h 10m

San Diego

Sun 1/25

11:43 am-3:00 pm

2 stops18h 17m

$764

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

10:40 am-8:41 pm

1 stop19h 01m

San Diego

Wed 2/25

6:00 pm-6:25 pm

1 stop15h 25m

$766

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

10:40 am-8:41 pm

1 stop19h 01m

San Diego

Wed 2/25

6:00 pm-6:25 pm

1 stop15h 25m

$767

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 January is also very affordable. Most momondo users find prices during this month for around $707.

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

The cheapest day to depart from Barcelona-El Prat Airport 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-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $888 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 $751 on momondo.

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

You could potentially save up to 28% 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 December 2025, prices for Barcelona-El Prat Airport to San Diego flights are approximately 0% more expensive 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

18h 18m

Direct flights

None
The fastest flight from Barcelona-El Prat Airport to San Diego takes 18h 18m
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 18h 18m.

  • 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
Borrego Springs
Imperial Beach
La Mesa
San Ysidro
Lemon Grove
Alpine
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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