San Diego

$414+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Jul 13 — Jul 201
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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 June 13, 2026.

This lol.travel deal was found by Cheapflights users on 6/9. 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 9/12:05 pm
MAD
-
SAN
1 stop28h 05m
JetBlue
Tue 9/810:20 am
SAN
-
MAD
1 stop16h 10m
JetBlue
Deal found 6/9$742
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 12/141:05 pm
MAD
-
SAN
1 stop32h 05m
Delta
Fri 1/156:15 am
SAN
-
MAD
2 stops20h 15m
Delta
Deal found 6/12$799
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:00 pm
BCN
-
SAN
1 stop29h 10m
British Airways
Tue 11/176:00 pm
SAN
-
BCN
1 stop15h 25m
British Airways
Deal found 6/10$818
This British Airways deal was found by Cheapflights users on 6/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:15 pm
MAD
-
SAN
1 stop17h 29m
British Airways
Fri 1/156:00 pm
SAN
-
MAD
1 stop15h 35m
British Airways
Deal found 6/9$819
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:15 am
BCN
-
SAN
1 stop16h 35m
British Airways
Tue 9/87:40 pm
SAN
-
BCN
1 stop15h 50m
British Airways
Deal found 6/10$820
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 9/56:35 am
VLC
-
SAN
2 stops23h 13m
Delta
Sun 9/1310:00 am
SAN
-
VLC
2 stops21h 15m
Delta
Deal found 6/11$823
This Flysmarter deal was found by Cheapflights users on 6/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:00 pm
BCN
-
SAN
1 stop18h 44m
British Airways
Thu 12/246:00 pm
SAN
-
BCN
1 stop19h 35m
British Airways
Deal found 6/12$828
This Delta deal was found by Cheapflights users on 6/11. 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 11/181:05 pm
MAD
-
SAN
1 stop32h 05m
Delta
Mon 11/306:15 am
SAN
-
MAD
2 stops20h 15m
Delta
Deal found 6/11$828
This British Airways deal was found by Cheapflights users on 6/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:50 pm
MAD
-
SAN
1 stop28h 20m
British Airways
Mon 11/306:00 pm
SAN
-
MAD
1 stop15h 30m
British Airways
Deal found 6/9$830
This Delta deal was found by Cheapflights users on 6/10. 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 11/61:10 pm
BCN
-
SAN
1 stop32h 00m
Delta
Sat 11/147:00 am
SAN
-
BCN
2 stops19h 10m
Delta
Deal found 6/10$831
This British Airways deal was found by Cheapflights users on 6/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 am
BCN
-
SAN
1 stop21h 55m
British Airways
Mon 9/214:45 pm
SAN
-
BCN
1 stop15h 50m
British Airways
Deal found 6/8$832
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 11/236:00 am
BCN
-
SAN
2 stops21h 46m
Delta
Sun 12/66:15 am
SAN
-
BCN
2 stops19h 55m
Delta
Deal found 6/11$836

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 June 13, 2026.

Round-trip from

$742
(lol.travel)

One-way from

$414
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$1,028
From Spain to San Diego
One-way flight from Spain to San Diego
Highest demand for flights based on searches. 10% potential increase in price ($125 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 13, 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

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 11/23

1:05 pm-12:10 pm

1 stop32h 05m

San Diego

Thu 12/3

3:59 pm-5:40 pm

2 stops16h 41m

$828

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 9/17

10:45 am-6:51 pm

1 stop17h 06m

San Diego

Mon 9/21

4:45 pm-8:40 pm

1 stop18h 55m

$833

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/9

1:10 pm-12:10 pm

1 stop32h 00m

San Diego

Tue 11/17

9:45 am-2:00 pm

2 stops19h 15m

$833

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 11/6

1:10 pm-12:10 pm

1 stop32h 00m

San Diego

Sat 11/14

2:05 pm-11:10 pm

1 stop24h 05m

$836

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Sat 10/10

9:50 am-10:55 pm

2 stops22h 05m

San Diego

Sat 10/24

7:00 am-10:10 am

2 stops18h 10m

$839

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Wed 9/16

8:20 pm-2:55 pm

1 stop27h 35m

San Diego

Sun 9/20

9:46 am-7:35 pm

2 stops24h 49m

$846

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/9

6:40 am-6:07 pm

2 stops20h 27m

San Diego

Tue 11/17

10:48 am-12:45 pm

2 stops16h 57m

$853
Quickest round-trip

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 11/6

10:40 am-6:07 pm

1 stop16h 27m

San Diego

Sat 11/14

4:25 pm-5:55 pm

2 stops16h 30m

$866

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Tue 9/1

6:00 am-8:16 pm

2 stops23h 16m

San Diego

Tue 9/8

3:59 pm-7:15 pm

2 stops18h 16m

$893

A CoruñaSan Diego

LCG - SAN

LCGSAN

A Coruña

Thu 11/5

5:45 pm-8:48 pm

2 stops36h 03m

San Diego

Mon 11/9

6:00 pm-8:40 am

2 stops29h 40m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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
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

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 June is currently the most expensive (average of $879). 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 41 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

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 June 13, 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.

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

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

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

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 $832, Delta can have you in San Diego from Spain in 21h 55m. 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), British Airways ($527), and Iberia ($538).

  • 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, 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 June is currently the most expensive (average of $879). 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
Poway
Coronado
La Mesa
Santee
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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$933Average$934FlexibilityNo cancel feeOn-time75%

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