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

British Airways, JetBlue, and KLM 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 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.

$322 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.

8:34 pm - 12:40 pmSAN San Diego-BCN Barcelona-El Prat

31h 06m1 stop Boston Logan Intl

10:15 am - 10:19 amBCN Barcelona-El Prat-SAN San Diego

33h 04m2 stops Dublin Chicago O'Hare Intl

$671Multiple Airlines

Sat, Oct 17 - Mon, Jan 18

1:10 pm - 8:50 amSAN San Diego-MAD Madrid Barajas

34h 40m1 stop Toronto Pearson Intl

1:30 pm - 12:16 pmMAD Madrid Barajas-SAN San Diego

31h 46m1 stop Toronto Pearson Intl

$711Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

1:10 pm - 8:50 amSAN San Diego-MAD Madrid Barajas

34h 40m1 stop Toronto Pearson Intl

1:30 pm - 12:16 pmMAD Madrid Barajas-SAN San Diego

31h 46m1 stop Toronto Pearson Intl

$712Air Canada

Mon, Sep 28 - Wed, Oct 14

4:55 pm - 6:50 amSAN San Diego-MAD Madrid Barajas

28h 55m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

12:45 pm - 11:47 amMAD Madrid Barajas-SAN San Diego

32h 02m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$717Air Canada

Mon, Sep 28 - Wed, Oct 14

6:00 pm - 8:50 pmSAN San Diego-MAD Madrid Barajas

17h 50m1 stop London Heathrow

11:05 am - 7:09 pmMAD Madrid Barajas-SAN San Diego

17h 04m1 stop Dallas/Fort Worth

$721Iberia

Mon, Nov 9 - Thu, Nov 19

6:00 pm - 8:50 pmSAN San Diego-MAD Madrid Barajas

17h 50m1 stop London Heathrow

12:00 pm - 7:28 pmMAD Madrid Barajas-SAN San Diego

16h 28m1 stop Chicago O'Hare Intl

$721Iberia

Mon, Feb 8 - Fri, Feb 19

6:00 pm - 8:50 pmSAN San Diego-MAD Madrid Barajas

17h 50m1 stop London Heathrow

1:00 pm - 8:35 pmMAD Madrid Barajas-SAN San Diego

16h 35m1 stop Dallas/Fort Worth

$726British Airways

Tue, Jan 12 - Tue, Jan 26

6:00 pm - 7:20 pmSAN San Diego-MAD Madrid Barajas

16h 20m1 stop London Heathrow

9:00 pm - 4:10 pmMAD Madrid Barajas-SAN San Diego

28h 10m1 stop London Heathrow

$729British Airways

Mon, Feb 1 - Mon, Feb 22

7:00 am - 6:50 amSAN San Diego-MAD Madrid Barajas

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

12:45 pm - 11:25 amMAD Madrid Barajas-SAN San Diego

31h 40m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$729United Airlines

Tue, Oct 13 - Fri, Oct 23

7:00 am - 6:50 amSAN San Diego-MAD Madrid Barajas

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

12:45 pm - 2:50 pmMAD Madrid Barajas-SAN San Diego

35h 05m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

$729United Airlines

Tue, Oct 13 - Fri, Oct 23

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 pm - 6:50 amSAN San Diego-MAD Madrid Barajas

28h 50m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

6:35 pm - 3:45 pmMAD Madrid Barajas-SAN San Diego

30h 10m1 stop Munich Franz Josef Strauss

$954Multiple Airlines

Sun, Aug 23 - Thu, Jan 14

7:00 am - 6:50 amSAN San Diego-MAD Madrid Barajas

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

6:35 pm - 3:45 pmMAD Madrid Barajas-SAN San Diego

30h 10m1 stop Munich Franz Josef Strauss

$962Multiple Airlines

Sun, Aug 23 - Thu, Jan 14

10:40 am - 6:40 pmSAN San Diego-MAD Madrid Barajas

23h 00m2 stops Chicago O'Hare Intl Zurich

10:05 am - 8:45 pmMAD Madrid Barajas-SAN San Diego

19h 40m2 stops Zurich San Francisco

$966SWISS

Tue, Aug 25 - Sat, Sep 5

10:40 pm - 6:50 amSAN San Diego-MAD Madrid Barajas

23h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 6:37 pmMAD Madrid Barajas-SAN San Diego

38h 12m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$970Air Canada

Sun, Aug 23 - Thu, Jan 14

5:00 pm - 6:50 amSAN San Diego-MAD Madrid Barajas

28h 50m3 stops Los Angeles San Francisco Montreal Pierre Elliott Trudeau Intl

6:05 am - 12:29 amMAD Madrid Barajas-SAN San Diego

27h 24m2 stops Frankfurt am Main San Francisco

$990United Airlines

Sun, Aug 23 - Thu, Jan 14

11:00 am - 2:10 pmSAN San Diego-MAD Madrid Barajas

18h 10m2 stops Denver Intl Munich Franz Josef Strauss

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

17h 25m1 stop Munich Franz Josef Strauss

$1,014Lufthansa

Tue, Aug 25 - Sat, Sep 5

5:15 pm - 5:40 pmSAN San Diego-MAD Madrid Barajas

15h 25m1 stop Munich Franz Josef Strauss

6:25 pm - 3:25 pmMAD Madrid Barajas-SAN San Diego

30h 00m1 stop Munich Franz Josef Strauss

$1,019Lufthansa

Sat, Aug 22 - Mon, Aug 31

12:41 pm - 6:50 amSAN San Diego-MAD Madrid Barajas

33h 09m3 stops San Francisco Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:50 am - 3:25 pmMAD Madrid Barajas-SAN San Diego

36h 35m1 stop Munich Franz Josef Strauss

$1,061United Airlines

Sat, Aug 22 - Mon, Aug 31

1:00 pm - 6:40 pmSAN San Diego-AGP Malaga

20h 40m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

8:30 pm - 8:16 pmAGP Malaga-SAN San Diego

32h 46m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,094Delta

Sat, Aug 22 - Sat, Aug 29

1:40 pm - 3:55 pmSAN San Diego-AGP Malaga

17h 15m1 stop Amsterdam Schiphol

8:30 pm - 3:56 pmAGP Malaga-SAN San Diego

28h 26m2 stops Amsterdam Schiphol Salt Lake City

$1,250Delta

Sat, Aug 22 - Sat, Aug 29

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Finnair flights from San Diego to Spain

Our best Finnair deals on San Diego to Spain flight tickets

Finnair

Sep 27

SAN1:10 pmSan Diego

15h 20m

1 stop

MAD1:30 pmMadrid Barajas

Oct 13

MAD10:25 amMadrid Barajas

16h 28m

1 stop

SAN5:53 pmSan Diego

$723

Finnair

Sep 20

SAN9:50 amSan Diego

25h 15m

2 stops

VLC8:05 pmValencia

Oct 6

VLC10:35 amValencia

21h 58m

2 stops

SAN11:33 pmSan Diego

$786

Virgin Atlantic flights from San Diego to Spain

Our best Virgin Atlantic deals on San Diego to Spain flight tickets

Virgin Atlantic

Oct 23

SAN12:38 pmSan Diego

14h 37m

1 stop

MAD12:15 pmMadrid Barajas

Nov 7

MAD9:20 amMadrid Barajas

20h 15m

1 stop

SAN8:35 pmSan Diego

$741

Virgin Atlantic

Sep 2

SAN10:37 amSan Diego

17h 13m

1 stop

BCN12:50 pmBarcelona-El Prat

Sep 9

BCN11:00 amBarcelona-El Prat

19h 19m

1 stop

SAN9:19 pmSan Diego

$1,338

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sat 10/17

8:34 pm-12:40 pm

1 stop31h 06m

Barcelona-El Prat

Mon 1/18

10:15 am-10:19 am

2 stops33h 04m

$671

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 9/21

1:10 pm-8:50 am

1 stop34h 40m

Madrid Barajas

Wed 9/30

1:30 pm-12:16 pm

1 stop31h 46m

$711

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 9/28

1:10 pm-8:50 am

1 stop34h 40m

Madrid Barajas

Wed 10/14

1:30 pm-12:16 pm

1 stop31h 46m

$712

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 9/28

4:55 pm-6:50 am

2 stops28h 55m

Madrid Barajas

Wed 10/14

12:45 pm-11:47 am

2 stops32h 02m

$717

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 11/9

6:00 pm-8:50 pm

1 stop17h 50m

Madrid Barajas

Thu 11/19

11:05 am-7:09 pm

1 stop17h 04m

$721

Quickest round-trip

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 2/8

6:00 pm-8:50 pm

1 stop17h 50m

Madrid Barajas

Fri 2/19

12:00 pm-7:28 pm

1 stop16h 28m

$721

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Tue 1/12

6:00 pm-8:50 pm

1 stop17h 50m

Madrid Barajas

Tue 1/26

1:00 pm-8:35 pm

1 stop16h 35m

$726

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 2/1

6:00 pm-7:20 pm

1 stop16h 20m

Madrid Barajas

Mon 2/22

9:00 pm-4:10 pm

1 stop28h 10m

$729

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Tue 10/13

7:00 am-6:50 am

1 stop14h 50m

Madrid Barajas

Fri 10/23

12:45 pm-11:25 am

2 stops31h 40m

$729

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Tue 10/13

7:00 am-6:50 am

1 stop14h 50m

Madrid Barajas

Fri 10/23

12:45 pm-2:50 pm

2 stops35h 05m

$729

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 $628.

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 $869 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 $745 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	$322
Fastest flight time	14h 50m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $322. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $671.

The fastest flight from San Diego to Spain takes 14h 50m

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 1,562 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,203 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 8,519 reviews	Search Delta flights
Iberia	PriceFrom $466	Free Cancellation	Rating 7.0 3,258 reviews	Search Iberia flights
British Airways	PriceFrom $477	Free Cancellation	Rating 6.7 8,183 reviews	Search British Airways flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 10,109 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,050 reviews	Search SWISS flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 11,989 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 1,957 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.