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

British Airways, JetBlue, and United Airlines 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.

$316 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 - 7:20 pmSAN San Diego-MAD Madrid Barajas

16h 20m1 stop London Heathrow

1:15 pm - 10:58 pmMAD Madrid Barajas-SAN San Diego

18h 43m1 stop Philadelphia

$726British Airways

Tue, Jan 26 - Tue, Feb 9

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

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

12:45 pm - 6:40 pmMAD Madrid Barajas-SAN San Diego

38h 55m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$730United Airlines

Tue, Oct 13 - Fri, Oct 23

6:35 am - 9:15 amSAN San Diego-MAD Madrid Barajas

17h 40m1 stop Newark

1:25 pm - 3:14 pmMAD Madrid Barajas-SAN San Diego

34h 49m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$731United Airlines

Mon, Nov 16 - Tue, Dec 8

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

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

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

31h 46m1 stop Toronto Pearson Intl

$732Air Canada

Tue, Oct 13 - Fri, Oct 23

6:50 am - 8:00 amSAN San Diego-MAD Madrid Barajas

40h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 10:33 pmMAD Madrid Barajas-SAN San Diego

42h 08m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$734Air Canada

Tue, Nov 17 - Thu, Dec 10

5:35 pm - 11:35 pmSAN San Diego-MAD Madrid Barajas

21h 00m1 stop Munich Franz Josef Strauss

7:25 am - 3:45 pmMAD Madrid Barajas-SAN San Diego

17h 20m1 stop Munich Franz Josef Strauss

$737Lufthansa

Mon, Nov 16 - Tue, Dec 8

2:05 pm - 7:55 pmSAN San Diego-VLC Valencia

20h 50m1 stop Amsterdam Schiphol

10:25 am - 9:52 pmVLC Valencia-SAN San Diego

20h 27m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$737KLM

Tue, Dec 1 - Fri, Jan 15

5:35 pm - 5:50 pmSAN San Diego-MAD Madrid Barajas

15h 15m1 stop Munich Franz Josef Strauss

7:25 am - 3:45 pmMAD Madrid Barajas-SAN San Diego

17h 20m1 stop Munich Franz Josef Strauss

$739Lufthansa

Tue, Nov 3 - Tue, Nov 17

10:06 am - 9:25 amSAN San Diego-MAD Madrid Barajas

15h 19m1 stop Chicago O'Hare Intl

1:15 pm - 9:40 pmMAD Madrid Barajas-SAN San Diego

17h 25m1 stop Philadelphia

$758British Airways

Sun, Oct 25 - Wed, Nov 4

2:05 pm - 7:55 pmSAN San Diego-VLC Valencia

20h 50m1 stop Amsterdam Schiphol

9:20 pm - 12:10 pmVLC Valencia-SAN San Diego

23h 50m1 stop Amsterdam Schiphol

$782KLM

Tue, Dec 1 - Fri, Jan 15

Cheap last minute flights

Enter your travel dates to find the best prices.

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

6:55 am - 10:10 pmSAN San Diego-BCN Barcelona-El Prat

30h 15m2 stops Portland Frankfurt am Main

8:00 am - 7:00 pmBCN Barcelona-El Prat-SAN San Diego

20h 00m2 stops Frankfurt am Main San Francisco

$964Multiple Airlines

Mon, Aug 31 - Wed, Sep 2

7:30 am - 11:20 amSAN San Diego-MAD Madrid Barajas

18h 50m1 stop New York John F Kennedy Intl

3:35 pm - 11:34 pmMAD Madrid Barajas-SAN San Diego

16h 59m1 stop New York John F Kennedy Intl

$969Air Europa

Tue, Sep 1 - Fri, Sep 18

1:40 pm - 1:40 pmSAN San Diego-MAD Madrid Barajas

15h 00m1 stop Amsterdam Schiphol

6:00 am - 11:50 amMAD Madrid Barajas-SAN San Diego

14h 50m1 stop Amsterdam Schiphol

$981KLM

Tue, Sep 1 - Thu, Sep 17

1:40 pm - 4:25 pmSAN San Diego-MAD Madrid Barajas

17h 45m1 stop Amsterdam Schiphol

6:00 am - 11:50 amMAD Madrid Barajas-SAN San Diego

14h 50m1 stop Amsterdam Schiphol

$983Delta

Tue, Sep 1 - Tue, Sep 15

11:48 am - 3:35 pmSAN San Diego-MAD Madrid Barajas

18h 47m2 stops Minneapolis St Paul Paris Charles de Gaulle

6:00 am - 11:50 amMAD Madrid Barajas-SAN San Diego

14h 50m1 stop Amsterdam Schiphol

$983Delta

Tue, Sep 1 - Tue, Sep 15

1:40 pm - 1:40 pmSAN San Diego-MAD Madrid Barajas

15h 00m1 stop Amsterdam Schiphol

6:00 am - 11:50 amMAD Madrid Barajas-SAN San Diego

14h 50m1 stop Amsterdam Schiphol

$983KLM

Tue, Sep 1 - Tue, Sep 15

11:20 am - 7:50 pmSAN San Diego-MAD Madrid Barajas

23h 30m2 stops San Francisco Frankfurt am Main

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

17h 25m1 stop Munich Franz Josef Strauss

$1,033Lufthansa

Tue, Sep 1 - Thu, Sep 17

11:20 am - 7:50 pmSAN San Diego-MAD Madrid Barajas

23h 30m2 stops San Francisco Frankfurt am Main

6:05 am - 5:26 pmMAD Madrid Barajas-SAN San Diego

20h 21m2 stops Frankfurt am Main Los Angeles Los Angeles

$1,041Lufthansa

Tue, Sep 1 - Thu, Sep 17

6:40 am - 3:50 pmSAN San Diego-AGP Malaga

24h 10m2 stops Chicago O'Hare Intl Zurich

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

24h 40m2 stops Zurich Chicago O'Hare Intl

$8,475SWISS

Tue, Sep 1 - Tue, Sep 8

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Air Canada flights from San Diego to Spain

Our best Air Canada deals on San Diego to Spain flight tickets

Air Canada

Oct 13

SAN7:00 amSan Diego

14h 50m

1 stop

MAD6:50 amMadrid Barajas

Oct 23

MAD1:30 pmMadrid Barajas

31h 46m

1 stop

SAN12:16 pmSan Diego

$732

Air Canada

Nov 14

SAN10:30 pmSan Diego

48h 30m

2 stops

MAD8:00 amMadrid Barajas

Dec 9

MAD1:25 pmMadrid Barajas

42h 08m

2 stops

SAN10:33 pmSan Diego

$734

Air Canada

Oct 12

SAN1:10 pmSan Diego

34h 40m

1 stop

MAD8:50 amMadrid Barajas

Oct 21

MAD1:30 pmMadrid Barajas

31h 46m

1 stop

SAN12:16 pmSan Diego

$737

United Airlines flights from San Diego to Spain

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

United Airlines

Oct 13

SAN7:00 amSan Diego

14h 50m

1 stop

MAD6:50 amMadrid Barajas

Oct 23

MAD12:45 pmMadrid Barajas

38h 55m

2 stops

SAN6:40 pmSan Diego

$730

United Airlines

Nov 16

SAN6:35 amSan Diego

17h 40m

1 stop

MAD9:15 amMadrid Barajas

Dec 8

MAD1:25 pmMadrid Barajas

35h 35m

3 stops

SAN4:00 pmSan Diego

$731

United Airlines

Oct 14

SAN6:15 amSan Diego

17h 45m

2 stops

MAD9:00 amMadrid Barajas

Oct 21

MAD12:45 pmMadrid Barajas

38h 55m

2 stops

SAN6:40 pmSan Diego

$735

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Tue 1/26

6:00 pm-7:20 pm

1 stop16h 20m

Madrid Barajas

Tue 2/9

1:15 pm-10:58 pm

1 stop18h 43m

$726

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-6:40 pm

2 stops38h 55m

$730

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 11/16

6:35 am-9:15 am

1 stop17h 40m

Madrid Barajas

Tue 12/8

1:25 pm-3:14 pm

2 stops34h 49m

$731

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

1:30 pm-12:16 pm

1 stop31h 46m

$732

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Tue 11/17

6:50 am-8:00 am

2 stops40h 10m

Madrid Barajas

Thu 12/10

1:25 pm-10:33 pm

2 stops42h 08m

$734

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Mon 11/16

5:35 pm-11:35 pm

1 stop21h 00m

Madrid Barajas

Tue 12/8

7:25 am-3:45 pm

1 stop17h 20m

$737

San DiegoValencia

SAN San Diego - VLC Valencia

SANVLC

San Diego

Tue 12/1

2:05 pm-7:55 pm

1 stop20h 50m

Valencia

Fri 1/15

10:25 am-9:52 pm

2 stops20h 27m

$737

Quickest round-trip

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Tue 11/3

5:35 pm-5:50 pm

1 stop15h 15m

Madrid Barajas

Tue 11/17

7:25 am-3:45 pm

1 stop17h 20m

$739

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Sun 10/25

10:06 am-9:25 am

1 stop15h 19m

Madrid Barajas

Wed 11/4

1:15 pm-9:40 pm

1 stop17h 25m

$758

San DiegoValencia

SAN San Diego - VLC Valencia

SANVLC

San Diego

Tue 12/1

2:05 pm-7:55 pm

1 stop20h 50m

Valencia

Fri 1/15

9:20 pm-12:10 pm

1 stop23h 50m

$782

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 $621.

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 $878 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 $756 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	$316
Fastest flight time	14h 50m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $316. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $726.

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 1,567 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,227 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 8,541 reviews	Search Delta flights
Iberia	PriceFrom $466	Free Cancellation	Rating 7.0 3,253 reviews	Search Iberia flights
British Airways	PriceFrom $477	Free Cancellation	Rating 6.7 8,192 reviews	Search British Airways flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 10,135 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,059 reviews	Search SWISS flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 12,026 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 1,964 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.