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St. Louis

$363+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$823
(United Airlines)

One-way from

$363
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,180
Provider with most accurate pricing for Madrid Barajas-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Madrid Barajas-Lambert-St Louis flights.
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From Madrid Barajas to Lambert-St Louis
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One-way flight from Madrid Barajas to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 12/46:00 amMAD - STL
2 stops18h 30mUnited Airlines
Mon 12/811:25 amSTL - MAD
2 stops14h 50mUnited Airlines
Deal found 10/26$823
This Air France deal was found by Cheapflights users on 10/26. 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.
Tue 11/1111:00 amMAD - STL
2 stops16h 46mMultiple Airlines
Sat 11/154:25 pmSTL - MAD
1 stop32h 35mMultiple Airlines
Deal found 10/26$832
This Lufthansa deal was found by Cheapflights users on 10/26. 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.
Thu 12/411:15 amMAD - STL
1 stop19h 27mLufthansa
Mon 12/811:50 amSTL - MAD
1 stop14h 25mLufthansa
Deal found 10/26$842
This Delta deal was found by Cheapflights users on 10/27. 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 12/411:15 amMAD - STL
1 stop16h 47mDelta
Mon 12/85:12 pmSTL - MAD
2 stops15h 08mDelta
Deal found 10/27$856
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/116:00 amMAD - STL
2 stops17h 33mDelta
Sat 11/154:25 pmSTL - MAD
1 stop32h 35mDelta
Deal found 10/26$861
This Flighttix deal was found by Cheapflights users on 10/26. 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.
Tue 11/1111:15 amMAD - STL
1 stop14h 20mVirgin Atlantic
Sat 11/155:15 pmSTL - MAD
1 stop33h 00mVirgin Atlantic
Deal found 10/26$999
This Finnair deal was found by Cheapflights users on 10/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:55 amMAD - STL
1 stop25h 32mFinnair
Mon 12/81:20 pmSTL - MAD
1 stop13h 05mFinnair
Deal found 10/26$1,233
This Iberia deal was found by Cheapflights users on 10/26. 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 11/1012:55 amMAD - STL
1 stop15h 00mIberia
Sat 11/159:47 amSTL - MAD
1 stop16h 03mIberia
Deal found 10/26$1,365

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 October 28, 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 12/4

6:00 am-5:30 pm

2 stops18h 30m

Lambert-St Louis

Mon 12/8

11:25 am-9:15 am

2 stops14h 50m

$823

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 11/11

11:00 am-8:46 pm

2 stops16h 46m

Lambert-St Louis

Sat 11/15

4:25 pm-8:00 am

1 stop32h 35m

$832

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 12/4

11:15 am-11:42 pm

1 stop19h 27m

Lambert-St Louis

Mon 12/8

11:50 am-9:15 am

1 stop14h 25m

$842

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 12/4

10:00 am-4:35 pm

1 stop13h 35m

Lambert-St Louis

Mon 12/8

4:32 pm-3:20 pm

2 stops15h 48m

$856

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 11/11

6:00 am-4:33 pm

2 stops17h 33m

Lambert-St Louis

Sat 11/15

4:25 pm-8:00 am

1 stop32h 35m

$861

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 12/3

12:55 am-7:27 pm

1 stop25h 32m

Lambert-St Louis

Mon 12/8

1:20 pm-9:25 am

1 stop13h 05m

$1,233

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 1/8

10:25 pm-10:33 pm

3 stops55h 08m

$363

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 1/9

9:25 am-10:33 pm

3 stops44h 08m

$376

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/7

7:05 pm-10:33 pm

3 stops34h 28m

$440

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/7

7:05 am-7:14 pm

2 stops19h 09m

$794

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 11 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 October.
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, May is the cheapest month in which you can book a flight from Madrid to St. Louis (average of $698). 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 13h 35m. United Airlines provides one of the quickest options available for as low as $856. 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, May is the cheapest month in which you can book a flight from Madrid to St. Louis (average of $698). 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
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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