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$326+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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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 4, 2025.

This Iberia deal was found by Cheapflights users on 12/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 pmVLC - SAN
2 stops35h 31mIberia
Tue 1/139:21 amSAN - VLC
2 stops25h 39mIberia
Deal found 12/2$727
This Delta deal was found by Cheapflights users on 12/3. 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.
Mon 12/156:05 amVLC - SAN
2 stops26h 53mDelta
Tue 1/137:05 amSAN - VLC
2 stops19h 55mDelta
Deal found 12/3$840
This Delta deal was found by Cheapflights users on 12/3. 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.
Sun 12/146:00 amBCN - SAN
2 stops21h 18mDelta
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mDelta
Deal found 12/3$870
This KLM deal was found by Cheapflights users on 12/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:15 amBCN - SAN
1 stop22h 43mKLM
Sun 1/1110:15 pmSAN - BCN
1 stop24h 45mKLM
Deal found 12/3$872
This Cheapflightsfares deal was found by Cheapflights users on 12/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:30 amMAD - SAN
2 stops24h 45mLufthansa
Thu 1/82:11 pmSAN - MAD
2 stops24h 39mLufthansa
Deal found 12/4$902
This Trip.com deal was found by Cheapflights users on 12/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:15 amBCN - SAN
1 stop34h 47mVirgin Atlantic
Wed 12/2411:25 amSAN - BCN
1 stop34h 50mVirgin Atlantic
Deal found 12/3$925
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/176:25 amMAD - SAN
3 stops22h 31mUnited Airlines
Thu 1/86:30 amSAN - MAD
2 stops17h 45mUnited Airlines
Deal found 12/4$956
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:10 amBCN - SAN
2 stops19h 47mLufthansa
Wed 1/79:55 amSAN - BCN
2 stops19h 50mLufthansa
Deal found 12/3$957
This Cheapflightsfares deal was found by Cheapflights users on 12/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:40 amBCN - SAN
2 stops20h 03mLufthansa
Fri 1/99:55 amSAN - BCN
2 stops18h 15mLufthansa
Deal found 12/4$987
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/1910:30 amBCN - SAN
1 stop19h 22mUnited Airlines
Fri 1/97:00 amSAN - BCN
1 stop17h 00mUnited Airlines
Deal found 12/4$1,014
This Air France deal was found by Cheapflights users on 12/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amVLC - SAN
2 stops21h 18mMultiple Airlines
Sun 12/1411:36 amSAN - VLC
2 stops19h 34mMultiple Airlines
Deal found 12/3$1,041
This British Airways deal was found by Cheapflights users on 12/4. 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 12/154:55 pmVLC - SAN
2 stops36h 50mBritish Airways
Tue 1/136:00 pmSAN - VLC
1 stop32h 15mBritish Airways
Deal found 12/4$1,193

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 4, 2025.

Round-trip from

$607
(Kiwi.com)

One-way from

$326
(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 4, 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

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Thu 2/26

7:30 am-10:06 pm

2 stops23h 36m

San Diego

Mon 3/16

9:00 am-8:00 pm

2 stops27h 00m

$716

ValenciaSan Diego

VLC - SAN

VLCSAN

Valencia

Wed 2/4

7:30 am-8:32 am

2 stops34h 02m

San Diego

Sun 2/8

6:00 pm-8:00 pm

2 stops17h 00m

$726

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

Wed 1/14

5:35 pm-10:00 am

2 stops25h 25m

San Diego

Sun 1/18

6:00 pm-11:15 pm

2 stops20h 15m

$729

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/15

6:00 am-10:31 pm

2 stops25h 31m

San Diego

Sat 1/24

2:20 pm-5:40 pm

2 stops18h 20m

$734

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 2/5

6:00 am-7:01 pm

2 stops22h 01m

San Diego

Wed 2/18

7:00 am-8:00 am

1 stop16h 00m

$738

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 1/19

10:00 am-12:05 am

1 stop23h 05m

San Diego

Sun 2/1

9:55 am-11:30 am

2 stops16h 35m

$739

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 1/19

10:00 am-10:45 pm

2 stops21h 45m

San Diego

Tue 2/3

11:08 am-5:40 pm

2 stops21h 32m

$739

A CoruñaSan Diego

LCG - SAN

LCGSAN

A Coruña

Wed 2/11

5:45 pm-10:06 pm

2 stops37h 21m

San Diego

Sun 2/15

6:35 am-1:00 pm

2 stops21h 25m

$740

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 1/19

10:00 am-12:05 am

1 stop23h 05m

San Diego

Tue 2/3

7:05 am-8:00 am

1 stop15h 55m

$742

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

Wed 2/4

1:20 pm-10:00 am

2 stops29h 40m

San Diego

Sun 2/8

7:10 am-4:55 pm

2 stops24h 45m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 49 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 4, 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 4, 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

Food

6.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

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

Food

6.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

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
3,039 reviews
American Airlines
7.2
Good
11,043 reviews

Food

6.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Boarding

7.5

Crew

8.0

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 $742, Iberia can have you in San Diego from Spain in 23h 05m. 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 ($636).

  • 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
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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$726FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$811Average$1,260FlexibilityNo cancel feeOn-time71%

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