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$349+ Cheap flights from Madrid, Spain (MAD) 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Madrid Barajas to San Diego are usually found in March or February, booked 68 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Madrid to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$649
(lol.travel)

One-way from

$349
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$791
From Madrid Barajas to San Diego
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One-way flight from Madrid Barajas to San Diego
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Highest demand for flights based on searches. 3% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Madrid to San Diego

Cheapest flights from Madrid to San Diego
Explore the most affordable flight options available from Madrid to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This lastminute.com deal was found by Cheapflights users on 9/16. 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.
Mon 10/201:45 pmMAD - SAN
1 stop16h 36mIberia
Tue 11/410:47 amSAN - MAD
1 stop13h 38mIberia
Deal found 9/16$697
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/231:45 pmMAD - SAN
1 stop16h 36mAmerican Airlines
Tue 11/412:27 pmSAN - MAD
1 stop15h 38mAmerican Airlines
Deal found 9/15$708
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/201:45 pmMAD - SAN
1 stop16h 36mAmerican Airlines
Tue 11/46:46 amSAN - MAD
1 stop13h 59mAmerican Airlines
Deal found 9/17$713
This Iberia deal was found by Cheapflights users on 9/15. 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.
Sat 9/2712:40 pmMAD - SAN
1 stop16h 40mIberia
Thu 10/22:00 pmSAN - MAD
1 stop14h 25mIberia
Deal found 9/15$724
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/241:45 pmMAD - SAN
1 stop16h 36mAmerican Airlines
Tue 11/412:27 pmSAN - MAD
1 stop15h 38mAmerican Airlines
Deal found 9/15$726
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/236:10 amMAD - SAN
2 stops22h 25mMultiple Airlines
Tue 11/45:35 pmSAN - MAD
2 stops20h 50mMultiple Airlines
Deal found 9/15$746
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:45 pmMAD - SAN
1 stop16h 36mIberia
Fri 10/319:28 amSAN - MAD
1 stop15h 27mIberia
Deal found 9/16$748
This Iberia deal was found by Cheapflights users on 9/15. 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 9/221:45 pmMAD - SAN
1 stop16h 58mIberia
Tue 10/2812:18 pmSAN - MAD
2 stops17h 57mIberia
Deal found 9/15$761

Cheapflights Fare Finder

 
Customize your flight search to find flights from Madrid 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 September 17, 2025.
Use the filters below to find and compare flights from Madrid to San Diego that are best for you.

Fly from

Madrid

Fly to

San Diego

Route

Depart

Return

Price

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 1/28

12:55 am-5:50 pm

1 stop25h 55m

San Diego

Thu 2/5

10:56 am-9:25 am

1 stop13h 29m

$649

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 1/29

1:00 pm-8:09 pm

1 stop16h 09m

San Diego

Thu 2/5

6:35 am-6:15 am

1 stop14h 40m

$654

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 1/26

6:45 am-8:09 pm

2 stops22h 24m

San Diego

Wed 2/25

6:00 pm-8:50 pm

1 stop17h 50m

$680

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Fri 2/20

6:45 am-8:10 pm

2 stops22h 25m

San Diego

Tue 2/24

6:00 pm-8:50 pm

1 stop17h 50m

$693

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 10/20

1:45 pm-9:21 pm

1 stop16h 36m

San Diego

Tue 11/4

9:42 am-9:25 am

1 stop14h 43m

$706

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 10/23

12:40 pm-8:13 pm

1 stop16h 33m

San Diego

Tue 11/4

10:47 am-9:25 am

1 stop13h 38m

$709

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Fri 10/24

1:45 pm-9:21 pm

1 stop16h 36m

San Diego

Tue 11/4

12:27 pm-1:05 pm

1 stop15h 38m

$726

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Fri 2/20

6:00 am-11:41 pm

2 stops26h 41m

San Diego

Tue 2/24

8:35 am-9:15 am

2 stops15h 40m

$737

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Sun 12/7

9:35 pm-8:10 pm

2 stops55h 35m

$349

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Tue 10/14

10:15 pm-11:27 am

2 stops46h 12m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

Best time to book a flight from Madrid to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Madrid 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 Madrid to San Diego

How far ahead should I book a flight from Madrid to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Madrid to San Diego. Price data was last updated on September 12, 2025.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Madrid to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Madrid to San Diego?

Currently, August is the cheapest month in which you can book a flight from Madrid to San Diego (average of $286). Flying from Madrid 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 MAD to SAN?

Find hourly flight availability from Madrid 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 September 17, 2025.

It’s typically best to fly out from Madrid to San Diego in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Madrid to San Diego?

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 September 17, 2025.
Read reviews from past customers who have flown American Airlines, Iberia, and British Airways from Madrid to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Entertainment

6.9

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

Overall

7.2

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Entertainment

6.9

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
2,925 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Entertainment

6.9

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
7,367 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Entertainment

6.9

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 Madrid to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Madrid to San Diego?

    A quick flight from Madrid to San Diego can take about 22h 24m. Finnair provides one of the quickest options available for as low as $680. There are 5839 mi between Madrid and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Madrid to San Diego round-trip?

    Cheapflights users have booked flights from Madrid to San Diego round-trip from $639. Other airlines that can offer you cheap pricing are British Airways, from $725, and American Airlines, from $768. You may be able to fly from Madrid to San Diego for 24% less than the average price by searching for these airlines.

  • Can I find deals for flights from Madrid to San Diego that include hotel bookings?

    Yes. In addition to deals on Madrid to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Madrid to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to San Diego.

  • Can I find deals for business class flights from Madrid to San Diego?

    Yes. Cheapflights offers flight deals from Madrid 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 Madrid to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Madrid to San Diego (average of $286). Flying from Madrid 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Madrid to San Diego

Discover the top 3 airlines that operate flights from Madrid 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$639Average$739FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$725Average$877FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$768Average$957FlexibilityNo cancel feeOn-time71%

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