$507+ Cheap flights from Madrid, Spain (MAD) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Madrid to St. Louis 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 St. Louis
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Best
Last-minute
One-way
Cheapest flights from Madrid to St. LouisExplore 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 30, 2026.
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 30, 2026.
This Lufthansa deal was found by Cheapflights users on 10/25. 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.
Fri 11/206:05 am -
1 stop14h 40m
Tue 11/241:00 pm -
1 stop11h 45m
Deal found 10/25![Lufthansa logo]()
$943
This Flighttix deal was found by Cheapflights users on 10/28. 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.
Fri 11/206:05 am -
1 stop14h 40m
Tue 11/2410:53 am -
2 stops14h 07m
Deal found 10/28![Multiple Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/226:05 am -
1 stop14h 40m
Sat 11/2811:15 am -
2 stops15h 15m
Deal found 10/29![United Airlines logo]()
$960
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:05 am -
1 stop14h 40m
Tue 11/246:00 am -
1 stop20h 30m
Deal found 10/27![United Airlines logo]()
$961
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:05 am -
2 stops17h 42m
Sat 11/286:50 pm -
2 stops16h 00m
Deal found 10/29![Lufthansa logo]()
$969
Best flights from Madrid to St. LouisDiscover carefully curated flight deals from Madrid to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Madrid to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/216:05 am -
2 stops22h 44m
Mon 1/2511:00 am -
1 stop15h 30m
Deal found 10/28![United Airlines logo]()
$887
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 1/196:05 am -
2 stops22h 32m
Tue 2/169:52 am -
1 stop16h 38m
Deal found 10/25![United Airlines logo]()
$892
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 1/186:05 am -
2 stops22h 44m
Fri 2/191:15 pm -
1 stop11h 30m
Deal found 10/25![United Airlines logo]()
$892
Last-minute flights from Madrid to St. LouisDiscover last-minute flight deals from Madrid to St. Louis. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Madrid to St. Louis. Data last updated October 30, 2026 and is based on user searches.
This Lufthansa deal was found by Cheapflights users on 10/25. 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.
Fri 11/206:05 am -
1 stop14h 40m
Tue 11/241:00 pm -
1 stop11h 45m
Deal found 10/25![Lufthansa logo]()
$943
This Flighttix deal was found by Cheapflights users on 10/28. 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.
Fri 11/206:05 am -
1 stop14h 40m
Tue 11/2410:53 am -
2 stops14h 07m
Deal found 10/28![Multiple Airlines logo]()
$957
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:05 am -
1 stop14h 40m
Tue 11/246:00 am -
1 stop20h 30m
Deal found 10/27![United Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/226:05 am -
1 stop14h 40m
Sat 11/2811:15 am -
2 stops15h 15m
Deal found 10/29![United Airlines logo]()
$960
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:05 am -
2 stops17h 42m
Sat 11/286:50 pm -
2 stops16h 00m
Deal found 10/29![Lufthansa logo]()
$969
One-way flights from Madrid to St. LouisSearch for one-way flight options from Madrid to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Madrid to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Fri 11/133:35 pm -
2 stops38h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$507
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/612:45 pm -
3 stops52h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$566
This Expedia deal was found by Cheapflights users on 10/25. 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.
Sat 2/2012:40 pm -
1 stop18h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![British Airways logo]()
$593
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 2/196:05 am -
2 stops21h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$602
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.
Sat 4/36:00 am -
2 stops24h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$618
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/410:30 am -
1 stop16h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![British Airways logo]()
$645
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/41:40 pm -
3 stops41h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$730
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/410:40 pm -
2 stops32h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Aer Lingus logo]()
$771
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $887 (United Airlines) |
One-way from | $507 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $567 |
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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Madrid to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Fri 11/13
3:35 pm-11:16 pm
2 stops38h 41m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$507
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Sun 2/21
6:05 am-11:39 pm
2 stops24h 34m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$602
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Fri 2/19
6:05 am-8:49 pm
2 stops21h 44m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$602
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Sat 4/3
6:00 am-11:18 pm
2 stops24h 18m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$618
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Wed 1/6
12:40 pm-10:21 am
2 stops52h 41m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$622
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Thu 1/21
6:05 am-9:49 pm
2 stops22h 44m
Lambert-St Louis
Mon 1/25
11:00 am-9:30 am
1 stop15h 30m
$887
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Tue 1/19
6:05 am-9:37 pm
2 stops22h 32m
Lambert-St Louis
Tue 2/16
9:52 am-9:30 am
1 stop16h 38m
$892
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Mon 1/18
6:05 am-9:49 pm
2 stops22h 44m
Lambert-St Louis
Fri 2/19
1:15 pm-7:45 am
1 stop11h 30m
$892
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Wed 1/6
4:30 pm-10:42 pm
1 stop37h 12m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$921
Quickest round-trip
MadridSt. Louis
MAD Madrid Barajas - STL Lambert-St Louis
MADSTL
Madrid Barajas
Fri 11/27
6:05 am-8:09 pm
2 stops21h 04m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$950
Sorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Madrid-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-St. Louis flight deals on Cheapflights vs. FlightHub >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 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-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.
MAD-STL
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
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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