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Cheap flights from Spain to San Diego from $349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to San Diego departing on 12/7. 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 Spain to San Diego

Recent round-trip flight deals from Spain to San Diego

Multiple Airlines Logo
10:40 am - 5:50 pmBCN-SAN
16h 10m1 stop
Multiple Airlines Logo
6:00 pm - 7:45 pmSAN-BCN
16h 45m1 stop
$637Multiple Airlines
Find Deal
Mon, Jan 26 - Wed, Feb 25
Finnair Logo
12:55 am - 5:50 pmMAD-SAN
25h 55m1 stop
Finnair Logo
10:56 am - 9:25 amSAN-MAD
13h 29m1 stop
$649Finnair
Find Deal
Wed, Jan 28 - Thu, Feb 5
Iberia Logo
1:00 pm - 8:09 pmMAD-SAN
16h 09m1 stop
Iberia Logo
10:56 am - 9:25 amSAN-MAD
13h 29m1 stop
$650Iberia
Find Deal
Thu, Jan 29 - Thu, Feb 5
American Airlines Logo
12:30 pm - 9:59 pmBCN-SAN
18h 29m2 stops
American Airlines Logo
10:00 am - 9:00 amSAN-BCN
14h 00m1 stop
$663American Airlines
Find Deal
Mon, Jan 26 - Wed, Feb 25
Iberia Logo
12:30 pm - 9:39 pmBCN-SAN
18h 09m1 stop
Iberia Logo
6:55 am - 9:00 amSAN-BCN
17h 05m1 stop
$667Iberia
Find Deal
Mon, Feb 2 - Sun, Feb 15
American Airlines Logo
10:40 am - 8:08 pmBCN-SAN
18h 28m2 stops
American Airlines Logo
6:38 am - 8:50 amSAN-BCN
17h 12m1 stop
$677American Airlines
Find Deal
Mon, Feb 2 - Sun, Feb 15
United Airlines Logo
6:00 am - 11:41 pmMAD-SAN
26h 41m2 stops
United Airlines Logo
8:35 am - 9:15 amSAN-MAD
15h 40m2 stops
$737United Airlines
Find Deal
Fri, Feb 20 - Tue, Feb 24
United Airlines Logo
11:15 am - 9:28 pmMAD-SAN
19h 13m1 stop
United Airlines Logo
7:00 am - 9:15 amSAN-MAD
17h 15m2 stops
$753United Airlines
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Thu, Jan 29 - Thu, Feb 5
British Airways Logo
8:55 pm - 2:50 pmAGP-SAN
26h 55m1 stop
British Airways Logo
7:00 pm - 11:50 amSAN-AGP
32h 50m1 stop
$762British Airways
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Sun, Oct 19 - Sun, Oct 26
British Airways Logo
7:15 pm - 5:10 pmBCN-SAN
29h 55m1 stop
British Airways Logo
6:00 pm - 7:50 pmSAN-BCN
16h 50m1 stop
$765British Airways
Find Deal
Fri, Oct 31 - Fri, Nov 7

British Airways flights from Spain to San Diego

Our best British Airways deals on Spain to San Diego flight tickets
British Airways
Sep 25
BCN10:45 amBarcelona-El Prat
17h 45m
1 stop
SAN7:30 pmSan Diego
Oct 8
SAN7:50 pmSan Diego
17h 55m
1 stop
BCN10:45 pmBarcelona-El Prat
$751
Find similar
British Airways
Oct 19
AGP8:55 pmMalaga
26h 55m
1 stop
SAN2:50 pmSan Diego
Oct 26
SAN7:00 pmSan Diego
32h 50m
1 stop
AGP11:50 amMalaga
$762
Find similar
British Airways
Oct 31
BCN7:15 pmBarcelona-El Prat
29h 55m
1 stop
SAN5:10 pmSan Diego
Nov 7
SAN6:00 pmSan Diego
16h 50m
1 stop
BCN7:50 pmBarcelona-El Prat
$765
Find similar

Delta flights from Spain to San Diego

Our best Delta deals on Spain to San Diego flight tickets
Delta
Oct 2
VLC6:20 amValencia
21h 46m
2 stops
SAN7:06 pmSan Diego
Oct 9
SAN10:00 amSan Diego
21h 20m
2 stops
VLC4:20 pmValencia
$825
Find similar
Delta
Oct 20
MAD10:25 amMadrid Barajas
21h 06m
2 stops
SAN10:31 pmSan Diego
Nov 4
SAN2:05 pmSan Diego
18h 35m
2 stops
MAD5:40 pmMadrid Barajas
$836
Find similar
Delta
Oct 20
MAD1:05 pmMadrid Barajas
31h 55m
1 stop
SAN12:00 pmSan Diego
Nov 4
SAN10:10 pmSan Diego
24h 50m
1 stop
MAD8:00 amMadrid Barajas
$863
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Spain 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 September 17, 2025.
Use the filters below to find and compare flights from Spain 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 1/26

10:40 am-5:50 pm

1 stop16h 10m

San Diego

Wed 2/25

6:00 pm-7:45 pm

1 stop16h 45m

$637

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 1/28

12:55 am-5:50 pm

1 stop25h 55m

San Diego

Thu 2/5

10:56 am-9:25 am

1 stop13h 29m

$649

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/29

1:00 pm-8:09 pm

1 stop16h 09m

San Diego

Thu 2/5

10:56 am-9:25 am

1 stop13h 29m

$650

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

12:30 pm-9:59 pm

2 stops18h 29m

San Diego

Wed 2/25

10:00 am-9:00 am

1 stop14h 00m

$663

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/2

12:30 pm-9:39 pm

1 stop18h 09m

San Diego

Sun 2/15

6:55 am-9:00 am

1 stop17h 05m

$667

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 2/2

10:40 am-8:08 pm

2 stops18h 28m

San Diego

Sun 2/15

6:38 am-8:50 am

1 stop17h 12m

$677

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Fri 2/20

6:00 am-11:41 pm

2 stops26h 41m

San Diego

Tue 2/24

8:35 am-9:15 am

2 stops15h 40m

$737

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/29

11:15 am-9:28 pm

1 stop19h 13m

San Diego

Thu 2/5

7:00 am-9:15 am

2 stops17h 15m

$753

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

Sun 10/19

8:55 pm-2:50 pm

1 stop26h 55m

San Diego

Sun 10/26

7:00 pm-11:50 am

1 stop32h 50m

$762

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 10/31

7:15 pm-5:10 pm

1 stop29h 55m

San Diego

Fri 11/7

6:00 pm-7:50 pm

1 stop16h 50m

$765

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 Spain 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 Spain during the month October is also very affordable. Most momondo users find prices during this month for around $719.

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

The cheapest day to depart from Spain 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.

What is the cheapest Spain to San Diego flight route?

Fly from Barcelona-El Prat to San Diego for the best Spain - San Diego flight prices

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

You are more likely to see cheaper flights to San Diego from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $842 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Spain for as low as $743 on momondo.

What cabin class options are available on Spain to San Diego flights?

There is only 1 cabin class available to choose from on Spain to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Spain to San Diego flights?

You could potentially save up to 4% on your flight if you consider stops on a Spain to San Diego flight.

Cheap Spain to San Diego flight deals and tips

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

Direct flights

None
There are no direct flights from Spain to San Diego. There are no popular flight routes from Spain to San Diego.
Search flight deals

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

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

  • How many operators does momondo search for flights from Spain to San Diego Airport?

  • How old do you have to be to fly from Spain 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 Spain 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.

Best airlines flying from Spain to San Diego

Compare and see reviews for airlines that fly from Spain to San Diego with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $639Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
American AirlinesPriceFrom $768Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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
La Mesa
National City
Poway
Imperial Beach
San Ysidro
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Spain to San Diego flights to just show those with flexible booking policies.

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

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

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

Yes. momondo can track prices for Spain 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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