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$298+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Find 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 December 1, 2025.

This Iberia deal was found by Cheapflights users on 11/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 pmVLC - SAN
2 stops36h 00mIberia
Tue 1/139:21 amSAN - VLC
2 stops25h 39mIberia
Deal found 11/29$727
This Iberia deal was found by Cheapflights users on 11/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:15 pmMAD - SAN
1 stop17h 29mIberia
Mon 12/156:15 amSAN - MAD
1 stop17h 35mIberia
Deal found 11/28$790
This Delta deal was found by Cheapflights users on 11/30. 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.
Sun 12/146:00 amBCN - SAN
2 stops21h 18mDelta
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mDelta
Deal found 11/30$800
This KLM deal was found by Cheapflights users on 11/30. 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.
Sun 12/1410:15 amBCN - SAN
1 stop19h 50mKLM
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mKLM
Deal found 11/30$801
This Iberia deal was found by Cheapflights users on 11/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:15 pmMAD - SAN
1 stop17h 29mIberia
Sun 12/146:30 amSAN - MAD
1 stop17h 25mIberia
Deal found 11/28$807
This American Airlines deal was found by Cheapflights users on 11/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:10 amAGP - SAN
2 stops20h 35mAmerican Airlines
Sun 12/146:15 amSAN - AGP
2 stops17h 15mAmerican Airlines
Deal found 11/30$812
This Iberia deal was found by Cheapflights users on 11/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:05 amVLC - SAN
2 stops35h 23mIberia
Sun 12/149:23 amSAN - VLC
2 stops29h 42mIberia
Deal found 11/29$824
This United Airlines deal was found by Cheapflights users on 12/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:05 pmVLC - SAN
3 stops53h 57mUnited Airlines
Tue 1/132:11 pmSAN - VLC
2 stops36h 59mUnited Airlines
Deal found 12/1$845
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Sun 12/72:55 pmMAD - SAN
2 stops50h 44mMultiple Airlines
Wed 12/315:35 pmSAN - MAD
1 stop32h 35mMultiple Airlines
Deal found 12/1$879
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Sat 12/69:40 pmMAD - SAN
2 stops51h 22mMultiple Airlines
Wed 12/315:35 pmSAN - MAD
1 stop32h 35mMultiple Airlines
Deal found 12/1$938
This Rumbo deal was found by Cheapflights users on 11/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:55 amBCN - SAN
1 stop19h 23mVirgin Atlantic
Sat 12/136:45 pmSAN - BCN
2 stops28h 55mVirgin Atlantic
Deal found 11/30$955
This Delta deal was found by Cheapflights users on 11/29. 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.
Thu 12/46:50 amBIO - SAN
2 stops23h 28mDelta
Sat 2/711:11 amSAN - BIO
2 stops21h 09mDelta
Deal found 11/29$959

Cheap 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 December 1, 2025.

Round-trip from

$583
(Kiwi.com)

One-way from

$298
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,266
From Spain to San Diego
Search Deals
One-way flight from Spain to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 1, 2025.
Use the filters below to find and compare flights from Spain to San Diego that are best for you.

Fly from

Spain

Fly to

San Diego

Route

Depart

Return

Price

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 2/5

1:00 pm-10:50 pm

1 stop18h 50m

San Diego

Wed 2/18

6:00 pm-8:05 pm

1 stop17h 05m

$658

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/15

1:00 pm-8:41 pm

1 stop16h 41m

San Diego

Wed 1/28

6:00 pm-6:30 pm

1 stop15h 30m

$658

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Wed 1/14

7:30 am-10:50 pm

2 stops24h 20m

San Diego

Wed 1/21

7:10 am-11:15 am

2 stops19h 05m

$659

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Tue 1/13

7:30 am-7:12 pm

2 stops20h 42m

San Diego

Tue 1/20

7:10 am-11:20 am

2 stops19h 10m

$659

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

9:15 pm-8:32 am

2 stops20h 17m

San Diego

Wed 2/25

6:00 pm-6:25 pm

1 stop15h 25m

$671

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Tue 1/13

5:10 pm-4:10 pm

1 stop32h 00m

San Diego

Tue 1/20

9:21 am-11:20 am

2 stops16h 59m

$672

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 1/14

12:55 am-8:32 am

1 stop16h 37m

San Diego

Sat 1/24

6:00 pm-7:10 pm

1 stop16h 10m

$676

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Thu 1/15

9:15 am-8:41 pm

2 stops20h 26m

San Diego

Thu 1/22

7:10 am-12:50 pm

2 stops20h 40m

$689

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 1/14

12:55 am-7:12 pm

1 stop27h 17m

San Diego

Wed 1/28

10:50 am-9:25 am

1 stop13h 35m

$695

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 1/14

10:40 am-10:50 pm

1 stop21h 10m

San Diego

Sun 1/18

6:00 pm-11:20 am

1 stop32h 20m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 60 results
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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 $484). Flying from Spain to San Diego in August is currently the most expensive (average of $803). 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.

What is the cheapest time of day to fly from ES to SAN?

Find hourly flight availability from Spain to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 1, 2025.

One of the essential ways to save on airfare from Spain to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 8% on airfare.

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 December 1, 2025.
See what other customers who have flown with American Airlines and Iberia 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.
American Airlines
7.2
Good
11,039 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
11,039 reviews
American Airlines
7.2
Good
11,039 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
Iberia
7.0
Good
3,036 reviews
American Airlines
7.2
Good
11,039 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

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 $658, British Airways can have you in San Diego from Spain in 18h 50m. The distance between Spain and San Diego is about 5839 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $484). Flying from Spain to San Diego in August is currently the most expensive (average of $803). 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
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

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Alternative routes for Spain to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Spain to San Diego

Discover the top 2 airlines 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$726FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$811Average$1,260FlexibilityNo cancel feeOn-time71%

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