HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$369+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Madrid 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 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 February 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:40 pm
MAD
-
SAN
2 stops34h 44m
Multiple Airlines
Mon 10/510:10 pm
SAN
-
MAD
1 stop26h 45m
Multiple Airlines
Deal found 2/17$713
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 3/76:00 am
MAD
-
SAN
2 stops41h 41m
United Airlines
Sun 3/86:55 pm
SAN
-
MAD
2 stops28h 05m
United Airlines
Deal found 2/18$717
This Trip.com deal was found by Cheapflights users on 2/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:30 am
MAD
-
SAN
2 stops29h 13m
Multiple Airlines
Fri 12/45:35 pm
SAN
-
MAD
1 stop21h 00m
Multiple Airlines
Deal found 2/17$754
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
MAD
-
SAN
1 stop15h 05m
Multiple Airlines
Mon 3/99:50 am
SAN
-
MAD
2 stops17h 40m
Multiple Airlines
Deal found 2/17$780
This lol.travel deal was found by Cheapflights users on 2/18. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:35 pm
MAD
-
SAN
2 stops35h 44m
Air Canada
Thu 12/35:00 pm
SAN
-
MAD
2 stops30h 00m
Air Canada
Deal found 2/18$787
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:00 am
MAD
-
SAN
1 stop18h 35m
Multiple Airlines
Tue 3/177:35 am
SAN
-
MAD
2 stops20h 35m
Multiple Airlines
Deal found 2/17$788
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:35 pm
MAD
-
SAN
1 stop16h 18m
Multiple Airlines
Mon 10/194:45 pm
SAN
-
MAD
1 stop15h 45m
Multiple Airlines
Deal found 2/17$789
This KLM deal was found by Cheapflights users on 2/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
MAD
-
SAN
1 stop15h 05m
KLM
Mon 3/910:25 pm
SAN
-
MAD
1 stop24h 35m
KLM
Deal found 2/17$790
This Trip.com deal was found by Cheapflights users on 2/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:35 am
MAD
-
SAN
1 stop16h 15m
Multiple Airlines
Sat 10/171:05 pm
SAN
-
MAD
1 stop35h 50m
Multiple Airlines
Deal found 2/16$792
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:40 pm
MAD
-
SAN
1 stop18h 43m
Iberia
Mon 3/96:20 am
SAN
-
MAD
1 stop18h 30m
Iberia
Deal found 2/17$793
This Gotogate deal was found by Cheapflights users on 2/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:50 pm
MAD
-
SAN
1 stop28h 20m
Multiple Airlines
Fri 12/411:50 am
SAN
-
MAD
2 stops59h 10m
Multiple Airlines
Deal found 2/17$794
This lol.travel deal was found by Cheapflights users on 2/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:35 pm
MAD
-
SAN
2 stops30h 18m
Air Canada
Thu 12/35:00 pm
SAN
-
MAD
2 stops30h 00m
Air Canada
Deal found 2/17$795

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$717
(United Airlines)

One-way from

$369
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$680
Provider with most accurate pricing for Madrid Barajas-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-San Diego flights.
Search Deals
From Madrid Barajas to San Diego
Search Deals
One-way flight from Madrid Barajas to San Diego
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 19, 2026.
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

Sat 3/7

6:00 am-2:41 pm

2 stops41h 41m

San Diego

Sun 3/8

6:55 pm-7:00 am

2 stops28h 05m

$717

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 3/11

9:00 am-7:35 pm

1 stop18h 35m

San Diego

Tue 3/17

7:35 am-12:10 pm

2 stops20h 35m

$790

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 3/5

6:25 am-7:00 pm

2 stops21h 35m

San Diego

Wed 3/18

6:35 pm-5:50 pm

1 stop15h 15m

$806

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Thu 3/5

6:00 am-7:48 pm

2 stops22h 48m

San Diego

Sat 3/14

10:30 pm-9:15 am

1 stop26h 45m

$809

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 3/2

1:05 pm-12:05 pm

1 stop32h 00m

San Diego

Tue 3/17

7:00 am-9:10 am

2 stops18h 10m

$810

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 3/9

8:25 am-10:20 am

2 stops33h 55m

San Diego

Mon 3/23

7:05 am-9:15 am

1 stop18h 10m

$810

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 3/2

8:25 am-9:25 pm

2 stops22h 00m

San Diego

Mon 3/16

10:30 pm-9:15 am

1 stop26h 45m

$810

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Wed 3/11

12:40 pm-5:24 pm

2 stops36h 44m

San Diego

Tue 3/17

12:40 pm-7:00 am

2 stops34h 20m

$811

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Mon 3/9

1:05 pm-1:05 pm

1 stop32h 00m

San Diego

Tue 3/24

3:00 pm-7:40 pm

1 stop20h 40m

$813

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

Tue 3/10

9:05 am-10:40 am

2 stops33h 35m

San Diego

Tue 3/17

10:30 pm-7:00 am

2 stops24h 30m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 18 results
1
2

Compare providers for flights from Madrid to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madrid to San Diego in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Madrid-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madrid-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 18, 2026.

Booking 55 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, February is the cheapest month in which you can book a flight from Madrid to San Diego (average of $267). Flying from Madrid 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.

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 February 19, 2026.
Read reviews from past customers who have flown Iberia 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.
Iberia
7.0
Good
3,117 reviews

Boarding

7.2

Overall

7.0

Entertainment

6.6

Food

6.4

Comfort

6.8

Crew

7.7

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance
Iberia
7.0
Good
3,117 reviews
Iberia
7.0
Good
3,117 reviews

Boarding

7.2

Overall

7.0

Entertainment

6.6

Food

6.4

Comfort

6.8

Crew

7.7

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance

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 48m. United Airlines provides one of the quickest options available for as low as $809. There are 5839 mi between Madrid and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Madrid to San Diego round-trip?

    Cheapflights users have booked flights from Madrid to San Diego round-trip from $640. You may be able to fly from Madrid to San Diego for 27% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Madrid to San Diego one-way?

    To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $520. American Airlines flights start at $525 while deals on British Airways start at $527 one-way.

  • 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, February is the cheapest month in which you can book a flight from Madrid to San Diego (average of $267). Flying from Madrid 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.

Top airline flying from Madrid to San Diego

Discover the top airline 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$640Average$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.