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St. Louis

$529+ Cheap flights from Madrid, Spain (MAD) to St. Louis (STL)

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 — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Madrid to St. Louis

Cheapest flights from Madrid to St. Louis
Explore the most affordable flight options available from Madrid to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 12/281:45 pmMAD - STL
2 stops31h 41mUnited Airlines
Tue 1/66:40 pmSTL - MAD
2 stops38h 20mUnited Airlines
Deal found 12/11$829
This Delta deal was found by Cheapflights users on 12/11. 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 12/2811:15 amMAD - STL
1 stop28h 43mDelta
Tue 1/65:56 pmSTL - MAD
2 stops14h 24mDelta
Deal found 12/11$1,009
This Iberia deal was found by Cheapflights users on 12/11. 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 12/2712:55 amMAD - STL
1 stop29h 01mIberia
Tue 1/611:05 amSTL - MAD
1 stop14h 45mIberia
Deal found 12/11$1,106
This Flighttix deal was found by Cheapflights users on 12/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:15 amMAD - STL
1 stop19h 27mVirgin Atlantic
Tue 1/65:00 pmSTL - MAD
1 stop33h 15mVirgin Atlantic
Deal found 12/10$1,134
This Lufthansa deal was found by Cheapflights users on 12/10. 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.
Sun 12/2811:15 amMAD - STL
1 stop19h 18mLufthansa
Tue 1/611:22 amSTL - MAD
2 stops18h 38mLufthansa
Deal found 12/10$1,185
This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:00 pmMAD - STL
1 stop13h 30mAmerican Airlines
Fri 1/211:41 amSTL - MAD
1 stop14h 44mAmerican Airlines
Deal found 12/11$1,252
This Mytrip deal was found by Cheapflights users on 12/11. 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.
Sun 12/286:35 amMAD - STL
3 stops39h 54mMultiple Airlines
Tue 1/64:05 pmSTL - MAD
2 stops18h 40mMultiple Airlines
Deal found 12/11$1,368
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 12/2810:00 amMAD - STL
1 stop14h 51mAmerican Airlines
Tue 1/611:55 amSTL - MAD
1 stop14h 30mAmerican Airlines
Deal found 12/11$2,619

Find flight deals from Madrid to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to St. Louis (STL). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$765
(British Airways)

One-way from

$529
(Finnair)

Popular in

December

Cheapest in

April

Average price

$1,445
Provider with most accurate pricing for Madrid Barajas-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-Lambert-St Louis flights.
Search Deals
From Madrid Barajas to Lambert-St Louis
Search Deals
One-way flight from Madrid Barajas to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 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 Madrid to St. Louis 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 12, 2025.
Use the filters below to find and compare flights from Madrid to St. Louis that are best for you.

Fly from

Madrid

Fly to

St. Louis

Route

Depart

Return

Price

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 1/15

1:00 pm-10:55 pm

1 stop16h 55m

Lambert-St Louis

Mon 1/19

6:44 pm-4:55 pm

2 stops15h 11m

$765

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/14

12:40 pm-11:12 pm

1 stop17h 32m

Lambert-St Louis

Wed 1/21

2:54 pm-12:40 pm

2 stops14h 46m

$766

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/14

11:00 am-8:43 pm

2 stops16h 43m

Lambert-St Louis

Wed 1/21

9:59 am-3:20 pm

2 stops22h 21m

$771

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 1/15

1:15 pm-11:12 pm

2 stops16h 57m

Lambert-St Louis

Mon 1/19

9:54 am-5:45 am

2 stops12h 51m

$772

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/14

12:40 pm-10:55 pm

1 stop17h 15m

Lambert-St Louis

Wed 1/21

11:55 am-9:25 am

1 stop14h 30m

$779

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 2/17

12:50 pm-10:09 pm

2 stops16h 19m

Lambert-St Louis

Sat 2/28

3:36 pm-1:35 pm

2 stops14h 59m

$785

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 2/17

12:40 pm-11:18 pm

1 stop17h 38m

Lambert-St Louis

Sat 2/28

3:36 pm-8:50 am

1 stop10h 14m

$791

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 2/19

11:15 am-9:00 pm

2 stops16h 45m

Lambert-St Louis

Mon 2/23

9:55 am-9:15 am

2 stops16h 20m

$802

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Mon 4/20

4:40 pm-11:24 pm

1 stop13h 44m

$529

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Mon 4/20

12:40 pm-10:29 pm

1 stop16h 49m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results
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Compare providers for flights from Madrid to St. Louis

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 St. Louis in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Madrid-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Madrid-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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-St. Louis 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 St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

What is the cheapest month to book a flight from Madrid to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Madrid to St. Louis (average of $680). Flying from Madrid to St. Louis in October is currently the most expensive (average of $1,180). 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.

Related info for your journey

Find useful and relevant information for your journey from Madrid to St. Louis. 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 St. Louis?

    A quick flight from Madrid to St. Louis can take about 16h 43m. British Airways provides one of the quickest options available for as low as $771. The distance from Madrid to St. Louis is about 4414 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Madrid to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Madrid to St. Louis?

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

  • Can I find deals for business class flights from Madrid to St. Louis?

    Yes. Cheapflights offers flight deals from Madrid to St. Louis 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 St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Madrid to St. Louis (average of $680). Flying from Madrid to St. Louis in October is currently the most expensive (average of $1,180). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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