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$338+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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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 August 28, 2025.

Round-trip from

$649
(Kiwi.com)

One-way from

$338
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,084

Good one-way deal

$143 or less
From Spain to San Diego
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One-way flight from Spain to San Diego
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Highest demand for flights based on searches. 16% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Spain to San Diego.
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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 August 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:10 pmBCN - SAN
1 stop34h 53mMultiple Airlines
Tue 11/182:24 pmSAN - BCN
2 stops37h 56mMultiple Airlines
Deal found 8/28$649
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:10 pmBCN - SAN
1 stop34h 53mMultiple Airlines
Wed 11/198:00 amSAN - BCN
1 stop20h 20mMultiple Airlines
Deal found 8/28$670
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:45 amBCN - SAN
2 stops24h 34mMultiple Airlines
Tue 11/189:01 amSAN - BCN
1 stop19h 19mMultiple Airlines
Deal found 8/28$676
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:45 amBCN - SAN
2 stops38h 00mMultiple Airlines
Wed 11/198:00 amSAN - BCN
1 stop20h 20mMultiple Airlines
Deal found 8/28$681
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:35 pmBCN - SAN
2 stops38h 13mMultiple Airlines
Wed 11/198:00 amSAN - BCN
1 stop20h 20mMultiple Airlines
Deal found 8/28$682
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/32:00 pmBCN - SAN
2 stops37h 42mMultiple Airlines
Thu 10/308:00 amSAN - BCN
1 stop21h 20mMultiple Airlines
Deal found 8/26$684
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Tue 9/22:00 pmBCN - SAN
2 stops36h 56mMultiple Airlines
Thu 10/308:00 amSAN - BCN
1 stop21h 20mMultiple Airlines
Deal found 8/26$686
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/42:00 pmBCN - SAN
2 stops41h 26mMultiple Airlines
Thu 10/308:00 amSAN - BCN
1 stop21h 20mMultiple Airlines
Deal found 8/26$694
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:00 pmMAD - SAN
1 stop16h 58mAmerican Airlines
Wed 9/247:00 amSAN - MAD
1 stop13h 30mAmerican Airlines
Deal found 8/28$701
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:35 pmBCN - SAN
1 stop27h 10mMultiple Airlines
Tue 11/189:59 pmSAN - BCN
1 stop30h 21mMultiple Airlines
Deal found 8/28$702
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/102:25 pmBCN - SAN
2 stops26h 04mMultiple Airlines
Mon 12/159:15 amSAN - BCN
1 stop17h 40mMultiple Airlines
Deal found 8/27$706
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:35 amMAD - SAN
1 stop16h 55mAmerican Airlines
Tue 10/288:18 amSAN - MAD
1 stop17h 07mAmerican Airlines
Deal found 8/28$712

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 August 28, 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

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/10

6:10 pm-8:03 pm

1 stop34h 53m

San Diego

Tue 11/18

2:24 pm-1:20 pm

2 stops37h 56m

$649

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/10

6:10 pm-8:03 pm

1 stop34h 53m

San Diego

Mon 11/17

3:59 pm-1:20 pm

2 stops36h 21m

$649

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Thu 1/15

9:40 am-8:25 pm

2 stops19h 45m

San Diego

Thu 1/22

6:23 am-9:05 am

2 stops17h 42m

$660

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 11/10

6:10 pm-8:03 pm

1 stop34h 53m

San Diego

Wed 11/19

8:00 am-1:20 pm

1 stop20h 20m

$670

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 11/12

6:45 am-10:19 pm

2 stops24h 34m

San Diego

Wed 11/19

8:00 am-1:20 pm

1 stop20h 20m

$676

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 11/12

6:45 am-10:19 pm

2 stops24h 34m

San Diego

Tue 11/18

9:01 am-1:20 pm

1 stop19h 19m

$676

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Fri 11/14

6:45 am-5:19 pm

2 stops43h 34m

San Diego

Tue 11/18

9:01 am-1:20 pm

1 stop19h 19m

$676

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 10/29

10:00 am-10:22 pm

1 stop20h 22m

San Diego

Thu 11/6

6:15 am-6:15 am

1 stop15h 00m

$701

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 9/11

4:00 pm-11:58 pm

1 stop16h 58m

San Diego

Wed 9/24

7:00 am-5:30 am

1 stop13h 30m

$701

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

Sun 1/25

1:10 pm-4:10 pm

1 stop36h 00m

San Diego

Wed 2/4

10:56 am-12:40 pm

2 stops16h 44m

$703

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

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, August is the cheapest month in which you can book a flight from Spain to San Diego (average of $286). Flying from Spain to San Diego in March is currently the most expensive (average of $366). 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 August 28, 2025.

When flying from Spain to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 28, 2025.
See what other customers who have flown with American Airlines, Iberia, and British Airways 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
10,000 reviews

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

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
2,894 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

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.
British Airways
6.7
Okay
7,316 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

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 $660, American Airlines can have you in San Diego from Spain in 19h 45m. 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 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, August is the cheapest month in which you can book a flight from Spain to San Diego (average of $286). Flying from Spain to San Diego in March is currently the most expensive (average of $366). 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
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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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 3 airlines flying from Spain to San Diego

Discover the top 3 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$739FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$725Average$890FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$777Average$934FlexibilityNo cancel feeOn-time71%

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