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$275+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
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 November 24, 2025.

This Iberia deal was found by Cheapflights users on 11/24. 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 12/159:40 amVLC - SAN
2 stops20h 05mIberia
Tue 1/1310:50 amSAN - VLC
2 stops24h 10mIberia
Deal found 11/24$713
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Wed 12/109:40 pmLCG - SAN
2 stops21h 14mAmerican Airlines
Sun 12/147:21 amSAN - LCG
2 stops16h 19mAmerican Airlines
Deal found 11/24$758
This Iberia deal was found by Cheapflights users on 11/24. 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.
Wed 12/109:35 pmBIO - SAN
2 stops19h 53mIberia
Sun 12/146:15 amSAN - BIO
2 stops21h 35mIberia
Deal found 11/24$759
This Delta deal was found by Cheapflights users on 11/22. 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 12/156:05 amVLC - SAN
2 stops25h 19mDelta
Tue 1/137:05 amSAN - VLC
2 stops19h 55mDelta
Deal found 11/22$788
This Delta deal was found by Cheapflights users on 11/23. 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 stops22h 17mDelta
Sun 1/1110:00 pmSAN - BCN
2 stops25h 00mDelta
Deal found 11/23$794
This KLM deal was found by Cheapflights users on 11/23. 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 12/1410:55 amBCN - SAN
1 stop19h 23mKLM
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mKLM
Deal found 11/23$796
This Delta deal was found by Cheapflights users on 11/23. 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 12/256:00 amBCN - SAN
2 stops18h 55mDelta
Sun 1/1110:15 pmSAN - BCN
2 stops27h 55mDelta
Deal found 11/23$814
This Delta deal was found by Cheapflights users on 11/23. 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 12/269:30 amBCN - SAN
1 stop18h 08mDelta
Sun 1/1110:00 pmSAN - BCN
2 stops28h 10mDelta
Deal found 11/23$815
This Delta deal was found by Cheapflights users on 11/22. 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 12/84:25 pmAGP - SAN
2 stops34h 47mDelta
Sun 12/146:15 amSAN - AGP
2 stops24h 20mDelta
Deal found 11/22$818
This Delta deal was found by Cheapflights users on 11/24. 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 stops25h 45mDelta
Sat 2/710:45 amSAN - BIO
2 stops21h 35mDelta
Deal found 11/24$845
This Delta deal was found by Cheapflights users on 11/23. 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 12/56:00 amMAD - SAN
2 stops21h 21mDelta
Sat 1/2410:37 amSAN - MAD
2 stops22h 03mDelta
Deal found 11/23$855
This British Airways deal was found by Cheapflights users on 11/22. 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 12/88:00 pmAGP - SAN
2 stops28h 48mBritish Airways
Sun 12/146:00 pmSAN - AGP
1 stop14h 50mBritish Airways
Deal found 11/22$856

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 November 24, 2025.

Round-trip from

$584
(Kiwi.com)

One-way from

$275
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$767
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 November 2025
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 November 24, 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

Thu 1/15

6:10 pm-8:00 pm

1 stop34h 50m

San Diego

Wed 1/28

7:51 am-1:20 pm

1 stop20h 29m

$584

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 2/4

12:55 am-8:32 am

1 stop16h 37m

San Diego

Wed 2/18

6:00 pm-8:05 pm

1 stop17h 05m

$655

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 2/18

6:35 pm-7:35 pm

1 stop34h 00m

San Diego

Wed 3/4

7:35 am-1:20 pm

1 stop20h 45m

$665

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/15

1:00 pm-8:41 pm

1 stop16h 41m

San Diego

Sat 1/24

9:21 am-9:25 am

1 stop15h 04m

$685

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 2/18

10:40 am-8:25 pm

1 stop18h 45m

San Diego

Mon 3/2

9:15 am-8:50 am

1 stop14h 35m

$698

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/29

7:05 am-8:58 pm

2 stops22h 53m

San Diego

Thu 2/5

9:37 am-9:55 pm

2 stops27h 18m

$703

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 2/18

6:35 pm-4:46 pm

2 stops31h 11m

San Diego

Tue 3/3

8:06 am-1:20 pm

1 stop20h 14m

$705

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 2/19

10:40 am-10:06 pm

1 stop20h 26m

San Diego

Thu 3/5

6:20 am-9:45 am

2 stops18h 25m

$713

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Mon 12/15

9:40 am-8:45 pm

2 stops20h 05m

San Diego

Tue 1/13

10:50 am-8:00 pm

2 stops24h 10m

$713

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/12

6:45 am-9:38 am

2 stops35h 53m

San Diego

Mon 1/26

7:51 am-1:20 pm

1 stop20h 29m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Showing 1-10 of 54 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 November 24, 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 November 24, 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
11,043 reviews

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Overall

7.2

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
11,043 reviews
American Airlines
7.2
Good
11,043 reviews

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Overall

7.2

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
3,033 reviews
American Airlines
7.2
Good
11,043 reviews

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Overall

7.2

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 $655, Iberia can have you in San Diego from Spain in 16h 37m. 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
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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$726FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$768Average$1,124FlexibilityNo cancel feeOn-time71%

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