HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$358+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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.

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 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/86:10 pmBCN - SAN
1 stop35h 00mMultiple Airlines
Mon 12/298:27 pmSAN - BCN
1 stop30h 28mMultiple Airlines
Deal found 11/3$779
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/201:00 pmVLC - SAN
2 stops29h 39mUnited Airlines
Thu 1/157:00 amSAN - VLC
2 stops19h 50mUnited Airlines
Deal found 11/2$781
This KLM deal was found by Cheapflights users on 11/2. 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.
Thu 11/206:00 amVLC - SAN
2 stops21h 20mMultiple Airlines
Tue 1/208:00 amSAN - VLC
2 stops19h 00mMultiple Airlines
Deal found 11/2$783
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/116:10 pmBCN - SAN
1 stop35h 00mMultiple Airlines
Mon 12/298:27 pmSAN - BCN
1 stop30h 28mMultiple Airlines
Deal found 11/3$791
This lastminute.com deal was found by Cheapflights users on 11/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:55 amBCN - SAN
1 stop19h 50mVirgin Atlantic
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mVirgin Atlantic
Deal found 11/3$793
This Delta deal was found by Cheapflights users on 11/2. 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 stops18h 23mDelta
Sun 1/1110:30 pmSAN - BCN
2 stops24h 30mDelta
Deal found 11/2$796
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/2610:30 amBCN - SAN
1 stop19h 22mUnited Airlines
Sun 1/112:11 pmSAN - BCN
2 stops33h 49mUnited Airlines
Deal found 11/3$797
This Air Canada deal was found by Cheapflights users on 11/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:45 amBIO - SAN
2 stops38h 18mMultiple Airlines
Sat 2/76:10 pmSAN - BIO
2 stops38h 55mMultiple Airlines
Deal found 11/1$797
This Delta deal was found by Cheapflights users on 11/3. 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 2/711:11 amSAN - BIO
2 stops21h 09mDelta
Deal found 11/3$800
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/2611:15 amMAD - SAN
1 stop31h 04mUnited Airlines
Sun 1/1110:40 pmSAN - MAD
1 stop25h 35mUnited Airlines
Deal found 11/3$801
This Delta deal was found by Cheapflights users on 11/2. 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 12/2612:15 pmBCN - SAN
2 stops18h 23mDelta
Sun 1/1110:30 pmSAN - BCN
2 stops24h 30mDelta
Deal found 11/2$801
This Delta deal was found by Cheapflights users on 11/2. 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 12/266:00 amMAD - SAN
2 stops24h 38mDelta
Sun 1/1110:00 pmSAN - MAD
2 stops25h 00mDelta
Deal found 11/2$802

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 3, 2025.

Round-trip from

$675
(Kiwi.com)

One-way from

$358
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$765
From Spain to San Diego
Search Deals
One-way flight from Spain to San Diego
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 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 3, 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

Sun 1/25

9:15 pm-8:29 pm

2 stops56h 14m

San Diego

Sat 2/7

7:51 am-1:20 pm

1 stop20h 29m

$690

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

Fri 2/20

9:40 pm-10:55 pm

2 stops34h 15m

San Diego

Tue 2/24

3:59 pm-5:40 pm

2 stops40h 41m

$705

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

7:10 pm-10:47 pm

2 stops36h 37m

San Diego

Mon 2/23

10:00 am-6:05 pm

2 stops47h 05m

$713

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Tue 1/27

7:10 pm-10:47 pm

2 stops36h 37m

San Diego

Mon 2/23

10:00 am-6:05 pm

2 stops47h 05m

$713

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

Thu 1/29

6:30 pm-10:47 pm

2 stops37h 17m

San Diego

Thu 2/12

7:00 am-6:45 pm

2 stops26h 45m

$724

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 2/19

6:00 am-5:24 pm

2 stops20h 24m

San Diego

Mon 2/23

6:30 am-8:00 am

2 stops16h 30m

$752

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 1/29

6:50 am-10:33 pm

2 stops24h 43m

San Diego

Wed 2/25

6:30 am-9:00 am

2 stops17h 30m

$756

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Mon 1/26

6:50 am-8:47 pm

2 stops22h 57m

San Diego

Wed 2/25

10:15 pm-8:20 am

1 stop25h 05m

$757

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

Thu 1/8

10:40 am-9:58 pm

2 stops20h 18m

San Diego

Thu 1/22

6:00 pm-6:25 pm

1 stop15h 25m

$757

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/22

6:00 am-8:42 pm

2 stops23h 42m

San Diego

Mon 1/26

2:11 pm-9:15 am

2 stops34h 04m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 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 $801). 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 3, 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 3, 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
11,036 reviews

Entertainment

6.9

Boarding

7.5

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
11,036 reviews
American Airlines
7.2
Good
11,036 reviews

Entertainment

6.9

Boarding

7.5

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
3,005 reviews
American Airlines
7.2
Good
11,036 reviews

Entertainment

6.9

Boarding

7.5

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 $752, Scandinavian Airlines can have you in San Diego from Spain in 20h 24m. 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 Barcelona-El Prat - San Diego, Madrid Barajas - San Diego or Valencia - 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 $801). 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

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
Frankfurt to San Francisco flights
Frankfurt to Los Angeles flights
Charles de Gaulle to San Francisco flights
Orly to Los Angeles flights
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Frankfurt to Ontario flights
Frankfurt to Santa Ana flights
Madrid to Los Angeles flights
Frankfurt to San Jose flights
Frankfurt to Oakland flights
Munich to Los Angeles flights
Frankfurt to Long Beach flights
Frederic Chopin to Los Angeles flights
Heathrow to Las Vegas flights
Orly to Las Vegas flights
Charles de Gaulle to Las Vegas flights
Barcelona-El Prat to Los Angeles flights
Frankfurt to Las Vegas flights
Gatwick to Los Angeles flights
Munich to San Francisco flights
Zurich to Los Angeles flights
Bruxelles-National to Las Vegas flights
Vienna to Los Angeles flights
Duesseldorf Intl to Las Vegas flights
London City to Los Angeles flights
Madrid to Ontario flights
Frankfurt-Hahn to Los Angeles flights
Duesseldorf Intl to Los Angeles flights
Frankfurt-Hahn to San Francisco flights
Gatwick to San Francisco flights
Beauvais-Tille to Los Angeles flights
Istanbul to Los Angeles flights
Heathrow to San Diego flights
Munich to Las Vegas flights
Malpensa to Los Angeles flights
Zurich to San Francisco flights
Stansted to Los Angeles flights
London City to San Francisco flights
Heathrow to Ontario flights
Gatwick to Las Vegas flights
Berlin to Los Angeles flights
Amsterdam to San Francisco flights
Duesseldorf Intl to Santa Ana flights
Amsterdam to Las Vegas flights
Amsterdam to Los Angeles flights
London City to Las Vegas flights

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$726FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$768Average$1,124FlexibilityNo cancel feeOn-time71%

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.