What is the cheapest airline that flies from San Diego to Spain?

KLM, Lufthansa, and JetBlue are the most popular carriers operating from San Diego to Spain

What airlines fly to Spain?

British Airways, Lufthansa and Iberia are the top three most popular airlines that fly to Spain from San Diego according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 11 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from San Diego Airport to Spain is 11 as of September 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Spain.

What documentation or ID do you need to fly to Spain?

The travel and health documents you'll need for your trip to Spain may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Spain. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$311 Cheap Flights from San Diego to Spain in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 5:30 pmSAN San Diego-BCN Barcelona-El Prat

14h 30m1 stop London Heathrow

10:40 am - 8:35 pmBCN Barcelona-El Prat-SAN San Diego

18h 55m1 stop Dallas/Fort Worth

$571British Airways

Tue, Nov 10 - Tue, Nov 17

6:00 pm - 6:30 pmSAN San Diego-BCN Barcelona-El Prat

15h 30m1 stop London Heathrow

12:00 pm - 9:39 pmBCN Barcelona-El Prat-SAN San Diego

18h 39m1 stop Philadelphia

$571British Airways

Wed, Dec 30 - Fri, Jan 15

8:00 am - 9:00 amSAN San Diego-BCN Barcelona-El Prat

16h 00m1 stop Washington, D.C. Dulles Intl

1:35 pm - 10:42 pmBCN Barcelona-El Prat-SAN San Diego

42h 07m3 stops Montreal Pierre Elliott Trudeau Intl Newark San Francisco

$575United Airlines

Wed, Dec 30 - Fri, Jan 15

8:00 am - 9:00 amSAN San Diego-BCN Barcelona-El Prat

16h 00m1 stop Washington, D.C. Dulles Intl

1:35 pm - 9:15 pmBCN Barcelona-El Prat-SAN San Diego

40h 40m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$575United Airlines

Wed, Dec 30 - Fri, Jan 15

9:18 am - 9:10 amSAN San Diego-BCN Barcelona-El Prat

14h 52m1 stop Philadelphia

10:40 am - 8:35 pmBCN Barcelona-El Prat-SAN San Diego

18h 55m1 stop Dallas/Fort Worth

$583Iberia

Mon, Nov 9 - Tue, Nov 17

6:00 pm - 7:55 pmSAN San Diego-BCN Barcelona-El Prat

16h 55m1 stop London Heathrow

3:05 pm - 8:26 amBCN Barcelona-El Prat-SAN San Diego

26h 21m2 stops Miami Dallas/Fort Worth

$584Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

6:00 pm - 7:55 pmSAN San Diego-BCN Barcelona-El Prat

16h 55m1 stop London Heathrow

3:05 pm - 10:49 amBCN Barcelona-El Prat-SAN San Diego

28h 44m1 stop Miami

$584Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

7:00 am - 11:10 amSAN San Diego-BCN Barcelona-El Prat

19h 10m1 stop Seattle/Tacoma Intl

1:20 pm - 10:55 pmBCN Barcelona-El Prat-SAN San Diego

18h 35m2 stops Seattle/Tacoma Intl Los Angeles

$586Delta

Tue, Sep 22 - Fri, Oct 2

6:00 pm - 5:55 pmSAN San Diego-BCN Barcelona-El Prat

14h 55m1 stop London Heathrow

12:00 pm - 9:45 pmBCN Barcelona-El Prat-SAN San Diego

18h 45m1 stop Philadelphia

$588Iberia

Mon, Nov 2 - Tue, Nov 24

6:15 am - 8:40 amSAN San Diego-BCN Barcelona-El Prat

17h 25m1 stop Atlanta Hartsfield-Jackson

10:35 am - 8:49 pmBCN Barcelona-El Prat-SAN San Diego

19h 14m1 stop New York John F Kennedy Intl

$591Delta

Sun, Jan 24 - Fri, Feb 12

Cheap last minute flights

Enter your travel dates to find the best prices.

10:25 pm - 9:00 amSAN San Diego-BCN Barcelona-El Prat

25h 35m1 stop Newark

3:15 pm - 11:25 amBCN Barcelona-El Prat-SAN San Diego

29h 10m1 stop Chicago O'Hare Intl

$684United Airlines

Fri, Sep 18 - Mon, Sep 28

6:55 pm - 8:20 amSAN San Diego-BCN Barcelona-El Prat

28h 25m2 stops Denver Intl Washington, D.C. Dulles Intl

3:15 pm - 9:32 amBCN Barcelona-El Prat-SAN San Diego

27h 17m1 stop Chicago O'Hare Intl

$684United Airlines

Fri, Sep 18 - Mon, Sep 28

10:30 pm - 12:50 pmSAN San Diego-BCN Barcelona-El Prat

29h 20m1 stop Atlanta Hartsfield-Jackson

11:10 am - 10:06 pmBCN Barcelona-El Prat-SAN San Diego

19h 56m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$727Delta

Fri, Sep 18 - Mon, Sep 28

1:38 pm - 5:10 pmSAN San Diego-BCN Barcelona-El Prat

18h 32m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

12:20 pm - 10:06 pmBCN Barcelona-El Prat-SAN San Diego

18h 46m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$742Delta

Fri, Sep 18 - Mon, Sep 28

3:05 pm - 8:15 pmSAN San Diego-BCN Barcelona-El Prat

20h 10m2 stops Dallas/Fort Worth London Heathrow

10:30 am - 9:30 pmBCN Barcelona-El Prat-SAN San Diego

20h 00m1 stop Chicago O'Hare Intl

$757Iberia

Fri, Sep 18 - Thu, Sep 24

3:05 pm - 8:15 pmSAN San Diego-BCN Barcelona-El Prat

20h 10m2 stops Dallas/Fort Worth London Heathrow

9:15 am - 11:25 pmBCN Barcelona-El Prat-SAN San Diego

23h 10m2 stops Madrid Barajas Chicago O'Hare Intl

$769Iberia

Fri, Sep 18 - Thu, Sep 24

6:15 am - 7:50 pmSAN San Diego-BCN Barcelona-El Prat

28h 35m2 stops Los Angeles Vienna Intl

8:40 pm - 8:08 pmBCN Barcelona-El Prat-SAN San Diego

32h 28m2 stops Vienna Intl Los Angeles

$776Austrian Airlines

Fri, Sep 18 - Mon, Sep 28

5:01 pm - 7:35 pmSAN San Diego-MAD Madrid Barajas

17h 34m2 stops Salt Lake City Amsterdam Schiphol

8:30 pm - 11:50 amMAD Madrid Barajas-SAN San Diego

24h 20m1 stop Amsterdam Schiphol

$795KLM

Fri, Sep 18 - Wed, Sep 30

5:01 pm - 7:35 pmSAN San Diego-MAD Madrid Barajas

17h 34m2 stops Salt Lake City Amsterdam Schiphol

8:30 pm - 11:50 amMAD Madrid Barajas-SAN San Diego

24h 20m1 stop Amsterdam Schiphol

$798KLM

Fri, Sep 18 - Wed, Sep 30

5:15 pm - 5:55 pmSAN San Diego-AGP Malaga

15h 40m1 stop Munich Franz Josef Strauss

6:30 am - 10:10 pmAGP Malaga-SAN San Diego

24h 40m2 stops Zurich Chicago O'Hare Intl

$835Multiple Airlines

Mon, Sep 14 - Tue, Sep 22

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United Airlines flights from San Diego to Spain

Our best United Airlines deals on San Diego to Spain flight tickets

United Airlines

Dec 30

SAN8:00 amSan Diego

16h 00m

1 stop

BCN9:00 amBarcelona-El Prat

Jan 15

BCN1:35 pmBarcelona-El Prat

42h 07m

3 stops

SAN10:42 pmSan Diego

$575

United Airlines

Nov 2

SAN2:08 pmSan Diego

14h 07m

1 stop

BCN1:15 pmBarcelona-El Prat

Nov 17

BCN3:10 pmBarcelona-El Prat

16h 30m

1 stop

SAN10:40 pmSan Diego

$587

United Airlines

Oct 4

SAN7:00 amSan Diego

16h 00m

1 stop

BCN8:00 amBarcelona-El Prat

Oct 29

BCN3:10 pmBarcelona-El Prat

26h 17m

1 stop

SAN9:27 amSan Diego

$594

Delta flights from San Diego to Spain

Our best Delta deals on San Diego to Spain flight tickets

Delta

Sep 19

SAN10:04 pmSan Diego

25h 31m

1 stop

BCN8:35 amBarcelona-El Prat

Oct 2

BCN1:20 pmBarcelona-El Prat

18h 35m

2 stops

SAN10:55 pmSan Diego

$586

Delta

Jan 25

SAN2:00 pmSan Diego

33h 40m

1 stop

BCN8:40 amBarcelona-El Prat

Feb 12

BCN10:35 amBarcelona-El Prat

22h 10m

1 stop

SAN11:45 pmSan Diego

$591

Delta

Jan 9

SAN10:30 pmSan Diego

25h 10m

2 stops

BCN8:40 amBarcelona-El Prat

Jan 29

BCN10:50 amBarcelona-El Prat

19h 51m

1 stop

SAN9:41 pmSan Diego

$605

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Tue 11/10

6:00 pm-5:30 pm

1 stop14h 30m

Barcelona-El Prat

Tue 11/17

10:40 am-8:35 pm

1 stop18h 55m

$571

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

6:00 pm-6:30 pm

1 stop15h 30m

Barcelona-El Prat

Fri 1/15

12:00 pm-9:39 pm

1 stop18h 39m

$571

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

8:00 am-9:00 am

1 stop16h 00m

Barcelona-El Prat

Fri 1/15

1:35 pm-10:42 pm

3 stops42h 07m

$575

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

8:00 am-9:00 am

1 stop16h 00m

Barcelona-El Prat

Fri 1/15

1:35 pm-9:15 pm

2 stops40h 40m

$575

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/9

9:18 am-9:10 am

1 stop14h 52m

Barcelona-El Prat

Tue 11/17

10:40 am-8:35 pm

1 stop18h 55m

$583

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/9

6:00 pm-7:55 pm

1 stop16h 55m

Barcelona-El Prat

Tue 11/17

3:05 pm-8:26 am

2 stops26h 21m

$584

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/9

6:00 pm-7:55 pm

1 stop16h 55m

Barcelona-El Prat

Tue 11/17

3:05 pm-10:49 am

1 stop28h 44m

$584

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Tue 9/22

7:00 am-11:10 am

1 stop19h 10m

Barcelona-El Prat

Fri 10/2

1:20 pm-10:55 pm

2 stops18h 35m

$586

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/2

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Tue 11/24

12:00 pm-9:45 pm

1 stop18h 45m

$588

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sun 1/24

6:15 am-8:40 am

1 stop17h 25m

Barcelona-El Prat

Fri 2/12

10:35 am-8:49 pm

1 stop19h 14m

$591

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Spain

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

Prices

Airlines

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in February, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $639.

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

You are more likely to see cheaper flights to Spain from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $883 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from San Diego for as low as $839 on momondo.

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

You could potentially save up to 12% on your flight if you consider stops on a San Diego to Spain flight.

Cheap San Diego to Spain flight deals and tips

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

Best Price Found	$311
Fastest flight time	14h 15m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $311. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $571.

The fastest flight from San Diego to Spain takes 14h 15m

There are no direct flights from San Diego to Spain. There are no popular flight routes from San Diego to Spain.

Search flight deals

Frequently asked questions about flying from San Diego to Spain

When did momondo last update prices for flights from San Diego Airport to Spain?
Prices for flights from San Diego Airport to Spain were last updated today.
How many operators does momondo search for flights from San Diego Airport to Spain?
The number of operators available for flights from San Diego Airport to Spain is 11 as of September 2026.
How old do you have to be to fly from San Diego Airport to Spain?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Spain.
What documentation or ID do you need to fly to Spain?
The travel and health documents you'll need for your trip to Spain may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Spain. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Diego to Spain

Compare and see reviews for airlines that fly from San Diego to Spain with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $383	Free Cancellation	Rating 7.8 1,577 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,220 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $406	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $453	Free Cancellation	Rating 6.7 8,214 reviews	Search British Airways flights
Iberia	PriceFrom $467	Free Cancellation	Rating 7.0 3,246 reviews	Search Iberia flights
Delta	PriceFrom $487	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 10,210 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,072 reviews	Search SWISS flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 1,986 reviews	Search Scandinavian Airlines flights

Why use momondo?

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

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

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

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

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

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

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

Of course. momondo tracks the price of San Diego to Spain flights. All you need is a valid email address and we will do the rest; it is that quick and easy.