San Diego

$406+ Cheap flights from Spain to San Diego (SAN)

MAD — SAN
Dec 9 — Dec 161
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Find cheap flights from Spain to San Diego with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Spain to San Diego

Cheapest flights from Spain to San Diego

Mon 12/142:55 pm -
2 stops28h 29m
Fri 1/159:39 pm -
2 stops26h 51m
Deal found 11/4$828
Sat 12/129:10 pm -
2 stops31h 23m
Fri 1/89:39 pm -
2 stops41h 06m
Deal found 11/8$830
Thu 12/36:30 pm -
2 stops32h 40m
Thu 12/108:57 am -
3 stops25h 13m
Deal found 11/5$839
Mon 12/146:45 am -
2 stops36h 39m
Thu 1/79:39 pm -
2 stops41h 06m
Deal found 11/8$852
Sun 11/2212:20 pm -
1 stop16h 21m
Mon 11/3010:10 pm -
1 stop24h 10m
Deal found 11/5$856
Mon 12/142:55 pm -
2 stops28h 29m
Fri 1/1511:00 am -
2 stops18h 05m
Deal found 11/6$860
Sun 12/612:35 pm -
2 stops30h 49m
Sun 12/1311:34 am -
3 stops27h 11m
Deal found 11/8$865
Wed 12/26:45 am -
2 stops20h 25m
Wed 12/96:30 am -
3 stops33h 15m
Deal found 11/4$902
Thu 12/109:10 pm -
2 stops45h 20m
Fri 1/89:39 pm -
2 stops41h 06m
Deal found 11/8$905
Sun 12/69:10 pm -
2 stops30h 06m
Sun 12/136:30 am -
3 stops30h 25m
Deal found 11/8$914
Mon 11/234:10 pm -
1 stop29h 00m
Fri 12/46:15 am -
2 stops21h 00m
Deal found 11/9$923
Wed 12/96:45 am -
2 stops23h 27m
Sun 12/1311:34 am -
3 stops23h 46m
Deal found 11/8$926

Find flight deals from Spain to San Diego

Round-trip from

$790
(Flysmarter)

One-way from

$406
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$989
From Spain to San Diego
One-way flight from Spain to San Diego
Highest demand for flights based on searches. 24% potential increase in price ($346 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Spain to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Sun 12/6

9:10 pm-6:16 pm

2 stops30h 06m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$426

ValenciaSan Diego

VLC Valencia - SAN San Diego

VLCSAN

Valencia

Fri 12/11

8:25 pm-9:55 pm

2 stops34h 30m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$427

MálagaSan Diego

AGP Malaga - SAN San Diego

AGPSAN

Malaga

Mon 1/18

8:30 pm-7:38 pm

3 stops56h 08m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$430

ValenciaSan Diego

VLC Valencia - SAN San Diego

VLCSAN

Valencia

Thu 12/10

8:05 pm-9:55 pm

2 stops34h 50m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$443

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Tue 1/12

9:10 pm-6:17 pm

2 stops30h 07m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$450

Santiago de CompostelaSan Diego

SCQ Santiago de Compostela - SAN San Diego

SCQSAN

Santiago de Compostela

Tue 1/12

7:35 am-6:17 pm

3 stops43h 42m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$491

BarcelonaSan Diego

BCN Barcelona-El Prat - SAN San Diego

BCNSAN

Barcelona-El Prat

Tue 12/1

9:35 pm-9:55 pm

3 stops57h 20m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$499

Santiago de CompostelaSan Diego

SCQ Santiago de Compostela - SAN San Diego

SCQSAN

Santiago de Compostela

Sun 1/10

9:40 pm-9:13 pm

3 stops32h 33m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$537

BilbaoSan Diego

BIO Bilbao - SAN San Diego

BIOSAN

Bilbao

Mon 1/11

7:20 pm-8:38 pm

2 stops34h 18m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$547

BilbaoSan Diego

BIO Bilbao - SAN San Diego

BIOSAN

Bilbao

Mon 1/11

5:05 pm-4:10 pm

1 stop32h 05m

San Diego

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Spain to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Spain with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Spain to San Diego

What is the cheapest month to book a flight from Spain to San Diego?

Currently, February is the cheapest month in which you can book a flight from Spain to San Diego (average of $695). Flying from Spain to San Diego in May is currently the most expensive (average of $1,446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Spain to San Diego?

To ensure you get the cheapest price possible for a flight from Spain to San Diego, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing San Diego

See what other customers who have flown with KLM,United Airlines, andIberia from Spain to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Crew

8.4

Food

7.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Boarding

7.8

Crew

8.4

Food

7.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Boarding

7.8

Crew

8.4

Food

7.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Boarding

7.8

Crew

8.4

Food

7.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Boarding

7.8

Crew

8.4

Food

7.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Boarding

7.8

Crew

8.4

Food

7.4

Entertainment

7.2

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • What airport do you fly into for flights to San Diego from Spain?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Spain. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from Spain to San Diego?

    For as low as $930, TAP AIR PORTUGAL can have you in San Diego from Spain in 15h 10m. The distance between Spain and San Diego is about 6025 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Spain to San Diego one-way?

    The cheapest airlines for a one-way flight from Spain to San Diego are American Airlines ($499), Iberia ($539), and British Airways ($545).

  • What are the most popular routes from Spain to San Diego?

  • Can I find deals for flights from Spain to San Diego that include hotel bookings?

    Yes. In addition to deals on Spain to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spain to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to San Diego.

  • Can I find deals for business class flights from Spain to San Diego?

    Yes. Cheapflights offers flight deals from Spain to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Spain to San Diego?

    Currently, February is the cheapest month in which you can book a flight from Spain to San Diego (average of $695). Flying from Spain to San Diego in May is currently the most expensive (average of $1,446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Spain to San Diego

AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$690Average$1,051FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$800Average$1,107FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$836Average$1,189FlexibilityNo cancel feeOn-time76%
KLMCheapest$883Average$1,279FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$946Average$1,494FlexibilityNo cancel feeOn-time69%

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