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

British Airways, United Airlines, and Iberia 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 41% 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 November 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.

$326 Cheap Flights from San Diego to Spain in 2026/27

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.

5:15 pm - 5:55 pmSAN San Diego-BIO Bilbao

15h 40m1 stop Munich Franz Josef Strauss

7:15 am - 3:25 pmBIO Bilbao-SAN San Diego

17h 10m1 stop Munich Franz Josef Strauss

$721United Airlines

Mon, Apr 26 - Wed, Apr 28

3:05 pm - 4:10 pmSAN San Diego-VLC Valencia

17h 05m1 stop Amsterdam Schiphol

5:15 pm - 11:50 amVLC Valencia-SAN San Diego

27h 35m1 stop Amsterdam Schiphol

$726Multiple Airlines

Tue, Mar 23 - Mon, Mar 29

10:10 pm - 9:55 amSAN San Diego-MAD Madrid Barajas

26h 45m1 stop New York John F Kennedy Intl

2:35 pm - 11:03 pmMAD Madrid Barajas-SAN San Diego

17h 28m1 stop Atlanta Hartsfield-Jackson

$727Virgin Atlantic

Sun, Apr 18 - Sun, Apr 25

6:00 pm - 11:45 amSAN San Diego-AGP Malaga

32h 45m1 stop London Heathrow

5:55 pm - 4:10 pmAGP Malaga-SAN San Diego

31h 15m1 stop London Heathrow

$733British Airways

Sun, Feb 14 - Wed, Feb 17

6:50 am - 12:00 pmSAN San Diego-VLC Valencia

20h 10m2 stops Chicago O'Hare Intl Frankfurt am Main

12:40 pm - 8:38 pmVLC Valencia-SAN San Diego

40h 58m2 stops Zurich San Francisco

$734Multiple Airlines

Sun, Feb 7 - Tue, Feb 9

11:06 am - 9:45 amSAN San Diego-MAD Madrid Barajas

13h 39m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 9:19 pmMAD Madrid Barajas-SAN San Diego

17h 59m1 stop Atlanta Hartsfield-Jackson

$735Virgin Atlantic

Thu, Dec 3 - Thu, Dec 10

10:30 pm - 6:15 amSAN San Diego-PMI Palma de Mallorca Son Sant Joan

46h 45m2 stops Chicago O'Hare Intl Newark

10:00 am - 10:28 pmPMI Palma de Mallorca Son Sant Joan-SAN San Diego

21h 28m2 stops Newark Denver Intl

$741United Airlines

Fri, Apr 16 - Thu, Apr 22

1:30 pm - 7:05 pmSAN San Diego-BCN Barcelona-El Prat

20h 35m2 stops San Francisco Zurich

6:20 am - 8:37 pmBCN Barcelona-El Prat-SAN San Diego

23h 17m2 stops Zurich San Francisco

$742SWISS

Wed, Dec 2 - Tue, Dec 8

6:00 pm - 6:45 pmSAN San Diego-VLC Valencia

15h 45m1 stop London Heathrow

9:10 pm - 4:10 pmVLC Valencia-SAN San Diego

28h 00m1 stop London Heathrow

$747British Airways

Mon, Mar 1 - Thu, Mar 4

1:06 pm - 7:05 pmSAN San Diego-BCN Barcelona-El Prat

20h 59m2 stops San Francisco Zurich

6:20 am - 10:37 pmBCN Barcelona-El Prat-SAN San Diego

25h 17m2 stops Zurich Chicago O'Hare Intl

$747SWISS

Mon, Jan 25 - Tue, Feb 2

Cheap last minute flights

Enter your travel dates to find the best prices.

10:40 am - 2:05 pmSAN San Diego-BCN Barcelona-El Prat

18h 25m2 stops Chicago O'Hare Intl Zurich

9:55 am - 10:27 pmBCN Barcelona-El Prat-SAN San Diego

21h 32m2 stops Zurich San Francisco

$793SWISS

Wed, Nov 11 - Thu, Dec 10

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

$812Lufthansa

Wed, Nov 11 - Fri, Dec 11

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

$812Lufthansa

Tue, Nov 10 - Tue, Dec 8

10:12 am - 9:25 amSAN San Diego-MAD Madrid Barajas

14h 13m1 stop Chicago O'Hare Intl

1:15 pm - 9:42 pmMAD Madrid Barajas-SAN San Diego

17h 27m1 stop Philadelphia

$818British Airways

Wed, Nov 11 - Thu, Dec 10

6:35 am - 9:30 amSAN San Diego-MAD Madrid Barajas

17h 55m1 stop Newark

1:25 pm - 9:18 pmMAD Madrid Barajas-SAN San Diego

40h 53m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$824United Airlines

Tue, Nov 10 - Wed, Jan 20

6:35 am - 9:30 amSAN San Diego-MAD Madrid Barajas

17h 55m1 stop Newark

1:25 pm - 4:00 pmMAD Madrid Barajas-SAN San Diego

35h 35m3 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl Houston George Bush Intcntl

$824United Airlines

Tue, Nov 10 - Tue, Dec 8

10:12 am - 9:25 amSAN San Diego-MAD Madrid Barajas

14h 13m1 stop Chicago O'Hare Intl

1:00 pm - 10:56 pmMAD Madrid Barajas-SAN San Diego

18h 56m1 stop Dallas/Fort Worth

$832British Airways

Tue, Nov 10 - Wed, Jan 20

4:01 pm - 11:00 pmSAN San Diego-BCN Barcelona-El Prat

21h 59m2 stops San Francisco Zurich

6:20 am - 8:37 pmBCN Barcelona-El Prat-SAN San Diego

23h 17m2 stops Zurich San Francisco

$832SWISS

Wed, Nov 11 - Mon, Nov 16

8:00 am - 9:45 amSAN San Diego-MAD Madrid Barajas

16h 45m1 stop Atlanta Hartsfield-Jackson

6:05 am - 12:10 pmMAD Madrid Barajas-SAN San Diego

15h 05m1 stop Amsterdam Schiphol

$835KLM

Tue, Nov 10 - Thu, Dec 10

7:32 am - 7:20 amSAN San Diego-MAD Madrid Barajas

14h 48m1 stop New York John F Kennedy Intl

6:05 am - 12:10 pmMAD Madrid Barajas-SAN San Diego

15h 05m1 stop Amsterdam Schiphol

$835KLM

Wed, Nov 11 - Thu, Dec 10

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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

Apr 26

SAN5:15 pmSan Diego

15h 40m

1 stop

BIO5:55 pmBilbao

Apr 28

BIO7:15 amBilbao

17h 10m

1 stop

SAN3:25 pmSan Diego

$721

United Airlines

Apr 16

SAN10:30 pmSan Diego

46h 45m

2 stops

PMI6:15 amPalma de Mallorca Son Sant Joan

Apr 22

PMI10:00 amPalma de Mallorca Son Sant Joan

21h 28m

2 stops

SAN10:28 pmSan Diego

$741

United Airlines

Mar 1

SAN7:41 pmSan Diego

31h 19m

3 stops

VLC12:00 pmValencia

Mar 4

VLC12:50 pmValencia

28h 46m

2 stops

SAN8:36 amSan Diego

$746

Air Canada flights from San Diego to Spain

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

Air Canada

Feb 15

SAN4:45 pmSan Diego

54h 15m

2 stops

MAD8:00 amMadrid Barajas

Mar 10

MAD1:25 pmMadrid Barajas

38h 29m

2 stops

SAN6:54 pmSan Diego

$757

Air Canada

Dec 7

SAN5:00 pmSan Diego

31h 35m

2 stops

BCN9:35 amBarcelona-El Prat

Dec 23

BCN1:35 pmBarcelona-El Prat

35h 35m

2 stops

SAN4:10 pmSan Diego

$761

Air Canada

Apr 13

SAN7:05 amSan Diego

40h 55m

2 stops

MAD9:00 amMadrid Barajas

Apr 23

MAD12:45 pmMadrid Barajas

31h 58m

2 stops

SAN11:43 amSan Diego

$765

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBilbao

SAN San Diego - BIO Bilbao

SANBIO

San Diego

Mon 4/26

5:15 pm-5:55 pm

1 stop15h 40m

Bilbao

Wed 4/28

7:15 am-3:25 pm

1 stop17h 10m

$721

San DiegoValencia

SAN San Diego - VLC Valencia

SANVLC

San Diego

Tue 3/23

3:05 pm-4:10 pm

1 stop17h 05m

Valencia

Mon 3/29

5:15 pm-11:50 am

1 stop27h 35m

$726

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Sun 4/18

10:10 pm-9:55 am

1 stop26h 45m

Madrid Barajas

Sun 4/25

2:35 pm-11:03 pm

1 stop17h 28m

$727

San DiegoMálaga

SAN San Diego - AGP Malaga

SANAGP

San Diego

Sun 2/14

6:00 pm-11:45 am

1 stop32h 45m

Malaga

Wed 2/17

5:55 pm-4:10 pm

1 stop31h 15m

$733

San DiegoValencia

SAN San Diego - VLC Valencia

SANVLC

San Diego

Sun 2/7

6:50 am-12:00 pm

2 stops20h 10m

Valencia

Tue 2/9

12:40 pm-8:38 pm

2 stops40h 58m

$734

Quickest round-trip

San DiegoMadrid

SAN San Diego - MAD Madrid Barajas

SANMAD

San Diego

Thu 12/3

11:06 am-9:45 am

1 stop13h 39m

Madrid Barajas

Thu 12/10

12:20 pm-9:19 pm

1 stop17h 59m

$735

San DiegoPalma de Mallorca

SAN San Diego - PMI Palma de Mallorca Son Sant Joan

SANPMI

San Diego

Fri 4/16

10:30 pm-6:15 am

2 stops46h 45m

Palma de Mallorca Son Sant Joan

Thu 4/22

10:00 am-10:28 pm

2 stops21h 28m

$741

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/2

1:30 pm-7:05 pm

2 stops20h 35m

Barcelona-El Prat

Tue 12/8

6:20 am-8:37 pm

2 stops23h 17m

$742

San DiegoValencia

SAN San Diego - VLC Valencia

SANVLC

San Diego

Mon 3/1

6:00 pm-6:45 pm

1 stop15h 45m

Valencia

Thu 3/4

9:10 pm-4:10 pm

1 stop28h 00m

$747

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 1/25

1:06 pm-7:05 pm

2 stops20h 59m

Barcelona-El Prat

Tue 2/2

6:20 am-10:37 pm

2 stops25h 17m

$747

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 $700.

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 $834 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 $661 on momondo.

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	$326
Fastest flight time	15h 00m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $326. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $721.

The fastest flight from San Diego to Spain takes 15h 00m

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 November 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 1,595 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $406	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $453	Free Cancellation	Rating 6.7 8,287 reviews	Search British Airways flights
Iberia	PriceFrom $476	Free Cancellation	Rating 7.0 3,232 reviews	Search Iberia flights
Delta	PriceFrom $487	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
United Airlines	PriceFrom $493	Free Cancellation	Rating 7.3 10,475 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,116 reviews	Search SWISS flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.5 2,025 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $584	Free Cancellation	Rating 7.0 12,225 reviews	Search American 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.