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

JetBlue, United Airlines, and Aer Lingus 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.

$306 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.

6:00 pm - 7:25 pmSAN San Diego-BCN Barcelona-El Prat

16h 25m1 stop London Heathrow

12:00 pm - 9:35 pmBCN Barcelona-El Prat-SAN San Diego

18h 35m1 stop Philadelphia

$570Iberia

Sun, Dec 6 - Tue, Dec 15

6:00 pm - 6:30 pmSAN San Diego-BCN Barcelona-El Prat

15h 30m1 stop London Heathrow

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

18h 39m1 stop Philadelphia

$570British Airways

Wed, Dec 30 - Fri, Jan 15

6:00 pm - 6:30 pmSAN San Diego-BCN Barcelona-El Prat

15h 30m1 stop London Heathrow

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

18h 39m1 stop Philadelphia

$571British Airways

Wed, Dec 30 - Tue, Jan 12

6:00 pm - 7:25 pmSAN San Diego-BCN Barcelona-El Prat

16h 25m1 stop London Heathrow

12:00 pm - 9:35 pmBCN Barcelona-El Prat-SAN San Diego

18h 35m1 stop Philadelphia

$571Iberia

Sun, Dec 6 - Tue, Dec 15

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

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

1:35 pm - 9:15 pmBCN Barcelona-El Prat-SAN San Diego

40h 40m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$575United Airlines

Wed, Dec 30 - Fri, Jan 15

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

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

1:35 pm - 6:17 pmBCN Barcelona-El Prat-SAN San Diego

37h 42m3 stops Montreal Pierre Elliott Trudeau Intl Newark Chicago O'Hare Intl

$575United Airlines

Wed, Dec 30 - Fri, Jan 15

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

14h 55m1 stop London Heathrow

11:00 am - 11:45 pmBCN Barcelona-El Prat-SAN San Diego

21h 45m1 stop Miami

$575Multiple Airlines

Mon, Feb 1 - Tue, Feb 9

10:40 am - 1:15 pmSAN San Diego-BCN Barcelona-El Prat

17h 35m1 stop Chicago O'Hare Intl

3:10 pm - 10:40 pmBCN Barcelona-El Prat-SAN San Diego

16h 30m1 stop Chicago O'Hare Intl

$576Lufthansa

Mon, Nov 2 - Tue, Nov 17

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

14h 07m1 stop Chicago O'Hare Intl

3:10 pm - 9:27 amBCN Barcelona-El Prat-SAN San Diego

27h 17m1 stop Chicago O'Hare Intl

$580Lufthansa

Mon, Nov 2 - Tue, Nov 17

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

16h 55m1 stop London Heathrow

6:45 pm - 12:11 pmBCN Barcelona-El Prat-SAN San Diego

26h 26m2 stops New York John F Kennedy Intl Dallas/Fort Worth

$581Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

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

16h 00m1 stop Montreal Pierre Elliott Trudeau Intl

3:15 pm - 10:41 pmBCN Barcelona-El Prat-SAN San Diego

16h 26m1 stop Chicago O'Hare Intl

$574Multiple Airlines

Tue, Sep 22 - Tue, Oct 6

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

16h 00m1 stop Montreal Pierre Elliott Trudeau Intl

6:40 am - 4:12 pmBCN Barcelona-El Prat-SAN San Diego

18h 32m2 stops Frankfurt am Main Vancouver Intl

$581Air Canada

Tue, Sep 22 - Tue, Oct 6

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

16h 00m1 stop Montreal Pierre Elliott Trudeau Intl

3:15 pm - 10:41 pmBCN Barcelona-El Prat-SAN San Diego

16h 26m1 stop Chicago O'Hare Intl

$594United Airlines

Tue, Sep 22 - Wed, Sep 30

6:42 am - 8:20 amSAN San Diego-BCN Barcelona-El Prat

16h 38m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

11:15 am - 8:39 pmBCN Barcelona-El Prat-SAN San Diego

18h 24m2 stops Washington, D.C. Dulles Intl Denver Intl

$600United Airlines

Tue, Sep 22 - Wed, Sep 30

6:42 am - 8:00 amSAN San Diego-BCN Barcelona-El Prat

16h 18m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:40 am - 4:12 pmBCN Barcelona-El Prat-SAN San Diego

18h 32m2 stops Frankfurt am Main Vancouver Intl

$612Multiple Airlines

Tue, Sep 22 - Tue, Oct 6

1:38 pm - 4:35 pmSAN San Diego-AGP Malaga

17h 57m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

10:40 am - 10:51 pmAGP Malaga-SAN San Diego

21h 11m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$639KLM

Wed, Sep 23 - Tue, Oct 13

1:38 pm - 4:35 pmSAN San Diego-AGP Malaga

17h 57m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

5:55 am - 6:02 pmAGP Malaga-SAN San Diego

21h 07m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$640Delta

Wed, Sep 23 - Tue, Oct 13

7:00 am - 11:10 amSAN San Diego-BCN Barcelona-El Prat

19h 10m1 stop Seattle/Tacoma Intl

12:20 pm - 11:46 pmBCN Barcelona-El Prat-SAN San Diego

20h 26m2 stops Paris Charles de Gaulle Minneapolis St Paul

$673Delta

Tue, Sep 22 - Sun, Sep 27

11:19 am - 6:15 pmSAN San Diego-BCN Barcelona-El Prat

21h 56m2 stops San Francisco Frankfurt am Main

6:40 am - 6:35 pmBCN Barcelona-El Prat-SAN San Diego

20h 55m2 stops Frankfurt am Main San Francisco

$820Lufthansa

Thu, Sep 24 - Sun, Sep 27

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

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

1:30 pm - 10:41 pmMAD Madrid Barajas-SAN San Diego

42h 11m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$901Air Canada

Tue, Sep 22 - Wed, Sep 30

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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

SAN9:50 amSan Diego

14h 15m

1 stop

MAD9:05 amMadrid Barajas

Oct 16

MAD1:35 pmMadrid Barajas

18h 44m

1 stop

SAN11:19 pmSan Diego

$806

Finnair

Sep 28

SAN9:50 amSan Diego

14h 15m

1 stop

MAD9:05 amMadrid Barajas

Oct 10

MAD11:45 amMadrid Barajas

20h 34m

1 stop

SAN11:19 pmSan Diego

$865

United Airlines flights from San Diego to Spain

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

United Airlines

Dec 30

SAN8:00 amSan Diego

16h 00m

1 stop

BCN9:00 amBarcelona-El Prat

Jan 15

BCN1:35 pmBarcelona-El Prat

37h 42m

3 stops

SAN6:17 pmSan Diego

$575

United Airlines

Dec 30

SAN6:50 amSan Diego

17h 10m

2 stops

BCN9:00 amBarcelona-El Prat

Jan 15

BCN1:35 pmBarcelona-El Prat

37h 42m

3 stops

SAN6:17 pmSan Diego

$580

United Airlines

Nov 9

SAN6:20 amSan Diego

17h 40m

2 stops

BCN9:00 amBarcelona-El Prat

Nov 17

BCN10:30 amBarcelona-El Prat

21h 10m

2 stops

SAN10:40 pmSan Diego

$583

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sun 12/6

6:00 pm-7:25 pm

1 stop16h 25m

Barcelona-El Prat

Tue 12/15

12:00 pm-9:35 pm

1 stop18h 35m

$570

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

6:00 pm-6:30 pm

1 stop15h 30m

Barcelona-El Prat

Fri 1/15

12:00 pm-9:39 pm

1 stop18h 39m

$570

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

6:00 pm-6:30 pm

1 stop15h 30m

Barcelona-El Prat

Tue 1/12

12:00 pm-9:39 pm

1 stop18h 39m

$571

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sun 12/6

6:00 pm-7:25 pm

1 stop16h 25m

Barcelona-El Prat

Tue 12/15

12:00 pm-9:35 pm

1 stop18h 35m

$571

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

8:00 am-9:00 am

1 stop16h 00m

Barcelona-El Prat

Fri 1/15

1:35 pm-9:15 pm

2 stops40h 40m

$575

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 12/30

8:00 am-9:00 am

1 stop16h 00m

Barcelona-El Prat

Fri 1/15

1:35 pm-6:17 pm

3 stops37h 42m

$575

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 2/1

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Tue 2/9

11:00 am-11:45 pm

1 stop21h 45m

$575

Quickest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/2

10:40 am-1:15 pm

1 stop17h 35m

Barcelona-El Prat

Tue 11/17

3:10 pm-10:40 pm

1 stop16h 30m

$576

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 11/2

2:08 pm-1:15 pm

1 stop14h 07m

Barcelona-El Prat

Tue 11/17

3:10 pm-9:27 am

1 stop27h 17m

$580

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

6:45 pm-12:11 pm

2 stops26h 26m

$581

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 $639.

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 $801 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 $659 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	$306
Fastest flight time	13h 38m
Direct flights	None

The best one-way flight to Spain from San Diego in the past 72 hours is $306. The best round-trip flight deal from San Diego to Spain found on momondo in the last 72 hours is $570.

The fastest flight from San Diego to Spain takes 13h 38m

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 1,578 reviews	Search KLM flights
Lufthansa	PriceFrom $392	Free Cancellation	Rating 6.8 8,235 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $406	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $453	Free Cancellation	Rating 6.7 8,228 reviews	Search British Airways flights
Iberia	PriceFrom $467	Free Cancellation	Rating 7.0 3,249 reviews	Search Iberia flights
Delta	PriceFrom $487	Free Cancellation	Rating 7.8 8,586 reviews	Search Delta flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 10,227 reviews	Search United Airlines flights
SWISS	PriceFrom $496	Free Cancellation	Rating 7.5 2,074 reviews	Search SWISS flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 12,078 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 1,984 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.