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

British Airways, JetBlue, 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 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.

$312 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.

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

20h 46m2 stops San Francisco Zurich

6:20 am - 10:40 pmBCN Barcelona-El Prat-SAN San Diego

24h 20m2 stops Zurich Chicago O'Hare Intl

$707SWISS

Mon, Oct 19 - Wed, Oct 28

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

18h 04m2 stops San Francisco Zurich

6:20 am - 10:40 pmBCN Barcelona-El Prat-SAN San Diego

25h 20m2 stops Zurich Chicago O'Hare Intl

$707SWISS

Mon, Nov 9 - Tue, Nov 17

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

16h 55m1 stop London Heathrow

12:00 pm - 9:40 pmBCN Barcelona-El Prat-SAN San Diego

18h 40m1 stop Philadelphia

$719British Airways

Mon, Nov 9 - Tue, Nov 17

5:15 pm - 5:55 pmSAN San Diego-BCN Barcelona-El Prat

15h 40m1 stop Munich Franz Josef Strauss

6:40 pm - 4:45 pmBCN Barcelona-El Prat-SAN San Diego

30h 05m1 stop Munich Franz Josef Strauss

$720Lufthansa

Sun, Oct 11 - Mon, Oct 26

5:35 pm - 11:05 pmSAN San Diego-BCN Barcelona-El Prat

20h 30m1 stop Munich Franz Josef Strauss

7:30 am - 3:45 pmBCN Barcelona-El Prat-SAN San Diego

17h 15m1 stop Munich Franz Josef Strauss

$722Lufthansa

Mon, Nov 9 - Tue, Nov 17

6:00 pm - 6:25 pmSAN San Diego-BCN Barcelona-El Prat

15h 25m1 stop London Heathrow

12:00 pm - 9:59 pmBCN Barcelona-El Prat-SAN San Diego

18h 59m1 stop Philadelphia

$722Iberia

Wed, Feb 17 - Wed, Feb 24

6:00 pm - 6:25 pmSAN San Diego-BCN Barcelona-El Prat

15h 25m1 stop London Heathrow

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

18h 39m1 stop Philadelphia

$722Iberia

Wed, Jan 13 - Wed, Jan 20

7:00 am - 8:00 amSAN San Diego-BCN Barcelona-El Prat

16h 00m1 stop Montreal Pierre Elliott Trudeau Intl

12:15 pm - 5:05 pmBCN Barcelona-El Prat-SAN San Diego

37h 50m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

$725United Airlines

Mon, Oct 5 - Thu, Oct 15

2:08 pm - 1:15 pmSAN San Diego-BCN Barcelona-El Prat

14h 07m1 stop Chicago O'Hare Intl

1:35 pm - 7:09 pmBCN Barcelona-El Prat-SAN San Diego

38h 34m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$726United Airlines

Mon, Nov 9 - Wed, Nov 18

6:00 pm - 11:25 amSAN San Diego-AGP Malaga

32h 25m1 stop London Heathrow

12:30 pm - 4:10 pmAGP Malaga-SAN San Diego

36h 40m1 stop London Heathrow

$743British Airways

Mon, Feb 1 - Mon, Feb 8

Cheap last minute flights

Enter your travel dates to find the best prices.

3:56 pm - 12:05 amSAN San Diego-VLC Valencia

23h 09m2 stops San Francisco Zurich

6:00 am - 10:10 pmVLC Valencia-SAN San Diego

25h 10m2 stops Zurich Chicago O'Hare Intl

$917SWISS

Tue, Sep 8 - Sat, Sep 19

10:40 am - 7:05 pmSAN San Diego-VLC Valencia

23h 25m2 stops Chicago O'Hare Intl Zurich

6:00 am - 6:30 pmVLC Valencia-SAN San Diego

21h 30m2 stops Zurich Chicago O'Hare Intl

$917SWISS

Wed, Sep 9 - Sat, Sep 19

6:35 am - 10:45 amSAN San Diego-BIO Bilbao

19h 10m1 stop Newark

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

17h 10m1 stop Munich Franz Josef Strauss

$924United Airlines

Tue, Sep 8 - Fri, Sep 18

6:35 am - 10:45 amSAN San Diego-BIO Bilbao

19h 10m1 stop Newark

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

17h 10m1 stop Munich Franz Josef Strauss

$924United Airlines

Tue, Sep 8 - Thu, Sep 17

6:15 am - 5:30 pmSAN San Diego-BIO Bilbao

26h 15m2 stops Los Angeles Paris Charles de Gaulle

12:00 pm - 11:50 amBIO Bilbao-SAN San Diego

32h 50m1 stop Amsterdam Schiphol

$928Delta

Tue, Sep 8 - Wed, Sep 16

10:15 am - 5:30 pmSAN San Diego-BIO Bilbao

22h 15m2 stops Los Angeles Paris Charles de Gaulle

12:00 pm - 11:50 amBIO Bilbao-SAN San Diego

32h 50m1 stop Amsterdam Schiphol

$928Delta

Sun, Sep 6 - Mon, Sep 21

9:45 am - 11:25 pmSAN San Diego-BIO Bilbao

28h 40m2 stops San Francisco Munich Franz Josef Strauss

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

17h 10m1 stop Munich Franz Josef Strauss

$936Lufthansa

Sun, Sep 6 - Fri, Sep 18

2:24 pm - 11:25 pmSAN San Diego-BIO Bilbao

24h 01m2 stops Los Angeles Munich Franz Josef Strauss

6:50 am - 10:10 pmBIO Bilbao-SAN San Diego

24h 20m2 stops Frankfurt am Main Chicago O'Hare Intl

$945Lufthansa

Wed, Sep 9 - Tue, Sep 15

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

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

5:55 am - 4:12 pmMAD Madrid Barajas-SAN San Diego

19h 17m2 stops Frankfurt am Main Vancouver Intl

$976Air Canada

Tue, Sep 8 - Wed, Sep 23

12:30 pm - 8:50 amSAN San Diego-MAD Madrid Barajas

35h 20m1 stop Toronto Pearson Intl

12:45 pm - 12:16 pmMAD Madrid Barajas-SAN San Diego

32h 31m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$1,042Air Canada

Sun, Sep 6 - Sun, Sep 20

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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

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

Nov 18

SAN6:45 amSan Diego

17h 15m

2 stops

BCN9:00 amBarcelona-El Prat

Dec 11

BCN1:35 pmBarcelona-El Prat

40h 37m

2 stops

SAN9:12 pmSan Diego

$731

SWISS flights from San Diego to Spain

Our best SWISS deals on San Diego to Spain flight tickets

SWISS

Oct 19

SAN1:24 pmSan Diego

20h 46m

2 stops

BCN7:10 pmBarcelona-El Prat

Oct 28

BCN6:20 amBarcelona-El Prat

24h 20m

2 stops

SAN10:40 pmSan Diego

$707

SWISS

Oct 28

SAN4:01 pmSan Diego

19h 04m

2 stops

BCN7:05 pmBarcelona-El Prat

Nov 13

BCN6:20 amBarcelona-El Prat

25h 07m

2 stops

SAN10:27 pmSan Diego

$708

SWISS

Nov 9

SAN4:01 pmSan Diego

18h 04m

2 stops

BCN7:05 pmBarcelona-El Prat

Nov 17

BCN6:20 amBarcelona-El Prat

25h 20m

2 stops

SAN10:40 pmSan Diego

$712

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 10/19

1:24 pm-7:10 pm

2 stops20h 46m

Barcelona-El Prat

Wed 10/28

6:20 am-10:40 pm

2 stops24h 20m

$707

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/9

4:01 pm-7:05 pm

2 stops18h 04m

Barcelona-El Prat

Tue 11/17

6:20 am-10:40 pm

2 stops25h 20m

$707

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

12:00 pm-9:40 pm

1 stop18h 40m

$719

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sun 10/11

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Mon 10/26

6:40 pm-4:45 pm

1 stop30h 05m

$720

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/9

5:35 pm-11:05 pm

1 stop20h 30m

Barcelona-El Prat

Tue 11/17

7:30 am-3:45 pm

1 stop17h 15m

$722

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 2/17

6:00 pm-6:25 pm

1 stop15h 25m

Barcelona-El Prat

Wed 2/24

12:00 pm-9:59 pm

1 stop18h 59m

$722

Quickest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 1/13

6:00 pm-6:25 pm

1 stop15h 25m

Barcelona-El Prat

Wed 1/20

12:00 pm-9:39 pm

1 stop18h 39m

$722

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 10/5

7:00 am-8:00 am

1 stop16h 00m

Barcelona-El Prat

Thu 10/15

12:15 pm-5:05 pm

2 stops37h 50m

$725

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/9

2:08 pm-1:15 pm

1 stop14h 07m

Barcelona-El Prat

Wed 11/18

1:35 pm-7:09 pm

2 stops38h 34m

$726

San DiegoMálaga

SAN San Diego - AGP Malaga

SANAGP

San Diego

Mon 2/1

6:00 pm-11:25 am

1 stop32h 25m

Malaga

Mon 2/8

12:30 pm-4:10 pm

1 stop36h 40m

$743

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 $627.

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 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	$312
Fastest flight time	14h 50m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $312. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $707.

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 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 1,568 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,222 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $406	Free Cancellation	Rating 7.4 696 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $453	Free Cancellation	Rating 6.7 8,209 reviews	Search British Airways flights
Delta	PriceFrom $456	Free Cancellation	Rating 7.8 8,558 reviews	Search Delta flights
Iberia	PriceFrom $467	Free Cancellation	Rating 7.0 3,247 reviews	Search Iberia flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,062 reviews	Search SWISS flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 12,041 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 1,979 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.