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$397+ Cheap flights from Spain to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap flight deals from Spain to San Diego

Cheapest flights from Spain to San Diego
Explore the most affordable flight options available from Spain to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This Condor deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:00 am
BCN
-
SAN
2 stops25h 07m
Multiple Airlines
Sat 5/307:00 am
SAN
-
BCN
2 stops24h 05m
Multiple Airlines
Deal found 5/7$740
This lol.travel deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:05 pm
MAD
-
SAN
1 stop31h 24m
JetBlue
Tue 6/308:40 pm
SAN
-
MAD
1 stop29h 50m
JetBlue
Deal found 5/9$812
This Expedia deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:30 pm
MAD
-
SAN
1 stop38h 18m
JetBlue
Wed 9/308:40 pm
SAN
-
MAD
1 stop29h 50m
JetBlue
Deal found 5/8$828
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:35 pm
BCN
-
SAN
1 stop27h 19m
Multiple Airlines
Sat 12/57:00 am
SAN
-
BCN
1 stop21h 20m
Multiple Airlines
Deal found 5/6$828
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:15 am
VLC
-
SAN
1 stop15h 35m
British Airways
Wed 9/307:40 pm
SAN
-
VLC
1 stop15h 55m
British Airways
Deal found 5/7$831
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:15 am
VLC
-
SAN
1 stop15h 35m
British Airways
Sat 10/34:45 pm
SAN
-
VLC
1 stop18h 40m
British Airways
Deal found 5/7$844
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:15 am
VLC
-
SAN
1 stop15h 35m
British Airways
Fri 10/24:45 pm
SAN
-
VLC
1 stop15h 40m
British Airways
Deal found 5/7$845
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:15 am
VLC
-
SAN
1 stop15h 35m
British Airways
Mon 9/287:40 pm
SAN
-
VLC
1 stop15h 05m
British Airways
Deal found 5/7$850
This KLM deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:15 pm
BIO
-
SAN
1 stop27h 35m
Multiple Airlines
Sun 5/241:37 pm
SAN
-
BIO
2 stops18h 53m
Multiple Airlines
Deal found 5/5$866
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:45 am
BIO
-
SAN
2 stops24h 15m
Delta
Tue 6/161:36 pm
SAN
-
BIO
2 stops18h 54m
Delta
Deal found 5/6$870
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:35 am
VLC
-
SAN
2 stops26h 06m
Delta
Tue 5/267:15 am
SAN
-
VLC
2 stops19h 20m
Delta
Deal found 5/6$870
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:45 am
BIO
-
SAN
2 stops21h 00m
Delta
Sun 5/2411:00 am
SAN
-
BIO
2 stops21h 30m
Delta
Deal found 5/5$871

Find flight deals from Spain to San Diego

Keep the following information in mind while searching for Spain to San Diego flight deals. Data was last updated May 10, 2026.

Round-trip from

$812
(lol.travel)

One-way from

$397
(Orbitz)

Popular in

January

Cheapest in

May

Average price

$743
From Spain to San Diego
Search Deals
One-way flight from Spain to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spain to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 10, 2026.
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
Quickest round-trip

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Sat 9/19

11:15 am-5:50 pm

1 stop15h 35m

San Diego

Mon 9/28

7:40 pm-7:45 pm

1 stop15h 05m

$850

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 5/20

5:15 pm-11:50 am

1 stop27h 35m

San Diego

Sun 5/24

1:37 pm-5:30 pm

2 stops18h 53m

$866

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Tue 6/2

6:45 am-11:50 am

1 stop14h 05m

San Diego

Tue 6/9

11:05 am-5:30 pm

2 stops21h 25m

$866

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Fri 5/22

6:35 am-11:41 pm

2 stops26h 06m

San Diego

Tue 5/26

7:15 am-11:35 am

2 stops19h 20m

$870

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 5/20

6:45 am-6:45 pm

2 stops21h 00m

San Diego

Sun 5/24

11:00 am-5:30 pm

2 stops21h 30m

$871

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Thu 5/21

6:35 am-11:41 pm

2 stops26h 06m

San Diego

Tue 5/26

7:15 am-11:35 am

2 stops19h 20m

$871

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Fri 5/22

10:20 pm-11:50 am

1 stop22h 30m

San Diego

Thu 5/28

1:40 pm-11:00 pm

1 stop24h 20m

$874

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 6/3

1:25 pm-11:50 am

1 stop31h 25m

San Diego

Fri 6/12

1:36 pm-5:10 pm

2 stops18h 34m

$876

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Sat 6/6

6:00 am-2:57 pm

2 stops17h 57m

San Diego

Wed 6/10

2:31 pm-12:15 pm

1 stop36h 44m

$886

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 5/21

6:00 am-6:03 pm

2 stops21h 03m

San Diego

Wed 6/3

6:15 am-11:20 am

2 stops20h 05m

$888

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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 83 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.

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

Currently, November is the cheapest month in which you can book a flight from Spain to San Diego (average of $234). Flying from Spain to San Diego in July is currently the most expensive (average of $748). 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated May 10, 2026.
See what other customers who have flown with KLM 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.
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,513 reviews
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Spain to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $850, British Airways can have you in San Diego from Spain in 15h 35m. The distance between Spain and San Diego is about 6008 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 ($520), and British Airways ($527).

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

    Most travelers choose Madrid Barajas - San Diego, Barcelona-El Prat - San Diego or Malaga - San Diego when deciding on the best route 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, November is the cheapest month in which you can book a flight from Spain to San Diego (average of $234). Flying from Spain to San Diego in July is currently the most expensive (average of $748). 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
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Spain to San Diego

Discover the top airline that operate flights from Spain to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$933Average$934FlexibilityNo cancel feeOn-time75%

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