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

JetBlue, British Airways, and Delta 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 46% 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 August 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.

$324 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.

10:04 am - 10:55 amSAN San Diego-BCN Barcelona-El Prat

15h 51m1 stop Chicago O'Hare Intl

10:30 am - 9:33 pmBCN Barcelona-El Prat-SAN San Diego

20h 03m1 stop Chicago O'Hare Intl

$700Iberia

Mon, Sep 28 - Mon, Oct 5

1:24 pm - 7:10 pmSAN San Diego-BCN Barcelona-El Prat

20h 46m2 stops San Francisco Zurich

9:40 am - 10:57 pmBCN Barcelona-El Prat-SAN San Diego

22h 17m2 stops Zurich San Francisco

$708SWISS

Wed, Oct 14 - Wed, Oct 21

4:01 pm - 7:05 pmSAN San Diego-BCN Barcelona-El Prat

19h 04m2 stops San Francisco Zurich

6:20 am - 10:27 pmBCN Barcelona-El Prat-SAN San Diego

25h 07m2 stops Zurich San Francisco

$708SWISS

Wed, Oct 28 - Fri, Nov 13

7:15 am - 10:10 amSAN San Diego-BCN Barcelona-El Prat

17h 55m1 stop Dallas/Fort Worth

11:30 am - 7:18 pmBCN Barcelona-El Prat-SAN San Diego

15h 48m1 stop Chicago O'Hare Intl

$724British Airways

Tue, Oct 13 - Thu, Oct 29

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

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

1:35 pm - 9:12 pmBCN Barcelona-El Prat-SAN San Diego

40h 37m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$726United Airlines

Wed, Nov 18 - Fri, Dec 11

6:35 pm - 11:05 pmSAN San Diego-BCN Barcelona-El Prat

20h 30m1 stop Munich Franz Josef Strauss

1:35 pm - 1:43 pmBCN Barcelona-El Prat-SAN San Diego

33h 08m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$729United Airlines

Wed, Oct 28 - Fri, Nov 13

7:00 pm - 5:15 pmSAN San Diego-BCN Barcelona-El Prat

14h 15m1 stop London Heathrow

11:00 am - 11:38 pmBCN Barcelona-El Prat-SAN San Diego

21h 38m1 stop Miami

$731American Airlines

Sun, Oct 25 - Tue, Nov 10

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

14h 55m1 stop London Heathrow

9:10 pm - 4:10 pmBCN Barcelona-El Prat-SAN San Diego

28h 00m1 stop London Heathrow

$749American Airlines

Mon, Jan 11 - Mon, Jan 25

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

14h 55m1 stop London Heathrow

6:55 pm - 10:24 amBCN Barcelona-El Prat-SAN San Diego

24h 29m2 stops Madrid Barajas Dallas/Fort Worth

$749Iberia

Mon, Nov 16 - Mon, Nov 23

11:17 am - 10:10 amSAN San Diego-BCN Barcelona-El Prat

13h 53m1 stop Dallas/Fort Worth

7:20 pm - 3:39 pmBCN Barcelona-El Prat-SAN San Diego

29h 19m2 stops London Heathrow Phoenix Sky Harbor Intl

$773British Airways

Mon, Oct 12 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

9:05 am - 9:35 amSAN San Diego-MAD Madrid Barajas

15h 30m1 stop Philadelphia

1:35 pm - 11:25 pmMAD Madrid Barajas-SAN San Diego

18h 50m1 stop Chicago O'Hare Intl

$865Iberia

Tue, Sep 1 - Fri, Sep 18

6:40 am - 6:40 pmSAN San Diego-MAD Madrid Barajas

27h 00m2 stops Chicago O'Hare Intl Zurich

10:05 am - 10:10 pmMAD Madrid Barajas-SAN San Diego

21h 05m2 stops Zurich Chicago O'Hare Intl

$922SWISS

Tue, Sep 1 - Fri, Sep 18

5:15 pm - 10:25 pmSAN San Diego-BCN Barcelona-El Prat

20h 10m1 stop Munich Franz Josef Strauss

1:25 pm - 3:25 pmBCN Barcelona-El Prat-SAN San Diego

35h 00m1 stop Munich Franz Josef Strauss

$948Lufthansa

Tue, Sep 1 - Tue, Sep 8

3:56 pm - 11:35 pmSAN San Diego-BCN Barcelona-El Prat

22h 39m2 stops San Francisco Zurich

6:00 am - 8:45 pmBCN Barcelona-El Prat-SAN San Diego

23h 45m2 stops Zurich San Francisco

$955SWISS

Tue, Sep 1 - Tue, Sep 8

2:24 pm - 5:40 pmSAN San Diego-MAD Madrid Barajas

18h 16m2 stops Los Angeles Los Angeles Munich Franz Josef Strauss

7:00 am - 3:25 pmMAD Madrid Barajas-SAN San Diego

17h 25m1 stop Munich Franz Josef Strauss

$963Lufthansa

Tue, Sep 1 - Thu, Sep 17

6:30 am - 9:00 amSAN San Diego-MAD Madrid Barajas

17h 30m2 stops Denver Intl Newark

12:45 pm - 8:36 pmMAD Madrid Barajas-SAN San Diego

16h 51m1 stop Montreal Pierre Elliott Trudeau Intl

$975United Airlines

Tue, Sep 1 - Fri, Sep 18

6:35 am - 9:00 amSAN San Diego-MAD Madrid Barajas

17h 25m1 stop Newark

10:50 am - 10:49 pmMAD Madrid Barajas-SAN San Diego

20h 59m1 stop Newark

$975United Airlines

Tue, Sep 1 - Thu, Sep 17

11:00 am - 6:50 amSAN San Diego-MAD Madrid Barajas

34h 50m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

12:45 pm - 6:30 pmMAD Madrid Barajas-SAN San Diego

38h 45m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$977Air Canada

Sat, Sep 5 - Wed, Sep 16

12:33 pm - 6:50 amSAN San Diego-MAD Madrid Barajas

33h 17m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

12:45 pm - 3:49 pmMAD Madrid Barajas-SAN San Diego

36h 04m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$977Air Canada

Sat, Sep 5 - Fri, Sep 18

9:05 am - 9:35 amSAN San Diego-MAD Madrid Barajas

15h 30m1 stop Philadelphia

1:35 pm - 11:25 pmMAD Madrid Barajas-SAN San Diego

18h 50m1 stop Chicago O'Hare Intl

$978Iberia

Tue, Sep 1 - Fri, Sep 18

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Lufthansa flights from San Diego to Spain

Our best Lufthansa deals on San Diego to Spain flight tickets

Lufthansa

Oct 28

SAN6:35 pmSan Diego

15h 00m

1 stop

BCN5:35 pmBarcelona-El Prat

Nov 13

BCN7:30 amBarcelona-El Prat

17h 15m

1 stop

SAN3:45 pmSan Diego

$736

Lufthansa

Nov 16

SAN5:35 pmSan Diego

15h 00m

1 stop

BCN5:35 pmBarcelona-El Prat

Nov 23

BCN6:40 pmBarcelona-El Prat

30h 05m

1 stop

SAN3:45 pmSan Diego

$748

Lufthansa

Oct 13

SAN2:24 pmSan Diego

18h 16m

2 stops

MAD5:40 pmMadrid Barajas

Oct 30

MAD6:05 amMadrid Barajas

20h 29m

2 stops

SAN6:34 pmSan Diego

$749

United Airlines flights from San Diego to Spain

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

United Airlines

Nov 18

SAN8:00 amSan Diego

16h 00m

1 stop

BCN9:00 amBarcelona-El Prat

Dec 11

BCN1:35 pmBarcelona-El Prat

40h 37m

2 stops

SAN9:12 pmSan Diego

$726

United Airlines

Oct 28

SAN6:35 pmSan Diego

20h 30m

1 stop

BCN11:05 pmBarcelona-El Prat

Nov 13

BCN1:35 pmBarcelona-El Prat

33h 08m

2 stops

SAN1:43 pmSan Diego

$729

United Airlines

Oct 11

SAN7:00 amSan Diego

16h 00m

1 stop

BCN8:00 amBarcelona-El Prat

Oct 21

BCN7:55 amBarcelona-El Prat

16h 30m

1 stop

SAN3:25 pmSan Diego

$740

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 9/28

10:04 am-10:55 am

1 stop15h 51m

Barcelona-El Prat

Mon 10/5

10:30 am-9:33 pm

1 stop20h 03m

$700

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 10/14

1:24 pm-7:10 pm

2 stops20h 46m

Barcelona-El Prat

Wed 10/21

9:40 am-10:57 pm

2 stops22h 17m

$708

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 10/28

4:01 pm-7:05 pm

2 stops19h 04m

Barcelona-El Prat

Fri 11/13

6:20 am-10:27 pm

2 stops25h 07m

$708

Quickest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Tue 10/13

7:15 am-10:10 am

1 stop17h 55m

Barcelona-El Prat

Thu 10/29

11:30 am-7:18 pm

1 stop15h 48m

$724

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 11/18

8:00 am-9:00 am

1 stop16h 00m

Barcelona-El Prat

Fri 12/11

1:35 pm-9:12 pm

2 stops40h 37m

$726

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 10/28

6:35 pm-11:05 pm

1 stop20h 30m

Barcelona-El Prat

Fri 11/13

1:35 pm-1:43 pm

2 stops33h 08m

$729

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sun 10/25

7:00 pm-5:15 pm

1 stop14h 15m

Barcelona-El Prat

Tue 11/10

11:00 am-11:38 pm

1 stop21h 38m

$731

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 1/11

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Mon 1/25

9:10 pm-4:10 pm

1 stop28h 00m

$749

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/16

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Mon 11/23

6:55 pm-10:24 am

2 stops24h 29m

$749

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 10/12

11:17 am-10:10 am

1 stop13h 53m

Barcelona-El Prat

Mon 10/19

7:20 pm-3:39 pm

2 stops29h 19m

$773

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 $619.

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 $888 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 15% 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	$324
Fastest flight time	14h 45m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $324. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $700.

The fastest flight from San Diego to Spain takes 14h 45m

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 August 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 1,570 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,228 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $406	Free Cancellation	Rating 7.4 695 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $456	Free Cancellation	Rating 7.8 8,536 reviews	Search Delta flights
Iberia	PriceFrom $467	Free Cancellation	Rating 7.0 3,245 reviews	Search Iberia flights
British Airways	PriceFrom $477	Free Cancellation	Rating 6.7 8,198 reviews	Search British Airways flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 10,151 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,060 reviews	Search SWISS flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 12,028 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 1,970 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.