HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$378+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Spain to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 26, 2025.

This Delta deal was found by Cheapflights users on 12/24. 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.
Sat 12/276:00 amBCN - SAN
2 stops26h 24mDelta
Wed 1/78:05 amSAN - BCN
2 stops20h 55mDelta
Deal found 12/24$1,177
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Wed 12/311:35 pmMAD - SAN
2 stops36h 59mUnited Airlines
Sat 7/257:10 amSAN - MAD
1 stop16h 50mUnited Airlines
Deal found 12/25$1,180
This Air Europa deal was found by Cheapflights users on 12/24. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:35 pmMAD - SAN
1 stop17h 05mMultiple Airlines
Thu 1/17:25 amSAN - MAD
1 stop19h 00mMultiple Airlines
Deal found 12/24$1,239
This KLM deal was found by Cheapflights users on 12/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:55 amBCN - SAN
1 stop19h 33mMultiple Airlines
Wed 1/711:08 amSAN - BCN
2 stops17h 52mMultiple Airlines
Deal found 12/24$1,241
This Lufthansa deal was found by Cheapflights users on 12/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:15 amMAD - SAN
2 stops22h 00mLufthansa
Thu 1/15:35 pmSAN - MAD
1 stop15h 15mLufthansa
Deal found 12/24$1,311
This KLM deal was found by Cheapflights users on 12/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:55 amBCN - SAN
1 stop19h 33mKLM
Wed 1/72:20 pmSAN - BCN
1 stop33h 20mKLM
Deal found 12/24$1,334
This United Airlines deal was found by Cheapflights users on 12/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:35 pmMAD - SAN
2 stops17h 57mUnited Airlines
Thu 1/17:40 amSAN - MAD
3 stops24h 00mUnited Airlines
Deal found 12/24$1,620
This Mytrip deal was found by Cheapflights users on 12/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:50 pmMAD - SAN
3 stops31h 55mMultiple Airlines
Sat 7/255:15 pmSAN - MAD
2 stops22h 45mMultiple Airlines
Deal found 12/25$2,237

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 December 26, 2025.

Round-trip from

$667
(Kiwi.com)

One-way from

$378
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,238
From Spain to San Diego
Search Deals
One-way flight from Spain to San Diego
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($43 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 December 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 December 26, 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 2/9

6:10 pm-8:00 pm

1 stop34h 50m

San Diego

Mon 2/23

7:35 am-1:20 pm

1 stop20h 45m

$667

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Sat 2/7

6:35 pm-7:46 pm

1 stop34h 11m

San Diego

Sat 2/14

12:23 pm-1:15 pm

2 stops39h 52m

$704

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

Fri 1/30

7:35 pm-10:47 pm

2 stops36h 12m

San Diego

Thu 2/5

2:55 pm-9:55 am

2 stops34h 00m

$712

Santiago de CompostelaSan Diego

SCQ - SAN

SCQSAN

Santiago de Compostela

Fri 1/9

7:00 pm-9:56 pm

2 stops35h 56m

San Diego

Tue 1/13

12:40 pm-10:05 pm

2 stops24h 25m

$754

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 1/21

12:30 pm-10:58 pm

1 stop19h 28m

San Diego

Wed 1/28

6:00 pm-7:45 pm

1 stop16h 45m

$766

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Mon 2/9

6:00 am-8:37 pm

2 stops23h 37m

San Diego

Mon 2/16

6:25 am-12:00 pm

2 stops20h 35m

$769

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Mon 2/9

6:00 am-7:01 pm

2 stops22h 01m

San Diego

Mon 2/23

7:00 am-12:00 pm

2 stops20h 00m

$769

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Wed 1/28

7:30 pm-4:10 pm

1 stop29h 40m

San Diego

Wed 2/18

6:00 pm-7:45 pm

1 stop16h 45m

$770

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 1/29

10:40 am-8:41 pm

1 stop19h 01m

San Diego

Thu 2/19

4:58 pm-6:25 pm

2 stops16h 27m

$771

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

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 55 results
1
2
3
...
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

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 26, 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 26, 2025.
See what other customers who have flown with 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.
Iberia
7.0
Good
3,058 reviews

Entertainment

6.6

Food

6.3

Comfort

6.7

Crew

7.7

Boarding

7.1

Overall

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

LHR - DFW

Transparency. There was a gate change that was not disclosed on my ticket that made the connection to Vegas hurried. Also, it’s a given that for international travel, luggage pickup is required at first port of entry in the US, but please don’t have international employees set the expectation that luggage does not have to be picked up until the final destination. If I followed her instructions, my luggage would have been sitting at my connection now.
Iberia
7.0
Good
3,058 reviews
Iberia
7.0
Good
3,058 reviews

Entertainment

6.6

Food

6.3

Comfort

6.7

Crew

7.7

Boarding

7.1

Overall

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

LHR - DFW

Transparency. There was a gate change that was not disclosed on my ticket that made the connection to Vegas hurried. Also, it’s a given that for international travel, luggage pickup is required at first port of entry in the US, but please don’t have international employees set the expectation that luggage does not have to be picked up until the final destination. If I followed her instructions, my luggage would have been sitting at my connection now.

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 $771, Scandinavian Airlines 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 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 Iberia ($520), American Airlines ($521), and British Airways ($540).

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

    Most travelers choose Madrid Barajas - San Diego, Barcelona-El Prat - San Diego or Bilbao - 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Spain to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Los Angeles flights
Heathrow to Los Angeles flights
Frankfurt to Los Angeles flights
Orly to Los Angeles flights
Charles de Gaulle to San Francisco flights
Frankfurt to Las Vegas flights
Frankfurt to San Francisco flights
Heathrow to Las Vegas flights
Charles de Gaulle to Las Vegas flights
Charles de Gaulle to Santa Ana flights
Heathrow to San Francisco flights
Frederic Chopin to Los Angeles flights
Beauvais-Tille to Los Angeles flights
Frankfurt to Ontario flights
Gatwick to Los Angeles flights
Munich to San Francisco flights
Madrid to Los Angeles flights
Frankfurt to Santa Ana flights
Istanbul to Los Angeles flights
Munich to Los Angeles flights
Orly to Las Vegas flights
London City to Los Angeles flights
Zurich to Los Angeles flights
Frankfurt to Long Beach flights
Amsterdam to Las Vegas flights
Duesseldorf Intl to Los Angeles flights
Frankfurt to San Jose flights
Zurich to San Francisco flights
Stansted to Los Angeles flights
Gatwick to Las Vegas flights
Vienna to Los Angeles flights
Vienna to San Francisco flights
Charles de Gaulle to Sacramento flights
Heathrow to Ontario flights
Linate to Los Angeles flights
Orly to Sacramento flights
London City to Las Vegas flights
Amsterdam to Los Angeles flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Berlin to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
Duesseldorf Intl to Santa Ana flights
Istanbul to San Francisco flights
Copenhagen to Los Angeles flights
Frankfurt to Oakland flights
Gatwick to San Francisco flights
Duesseldorf Intl to Ontario flights
Frankfurt-Hahn to Los Angeles flights

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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$726FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.