$348+ Cheap flights from St. Louis (STL) to Madrid, Spain (MAD)
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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAD
Nov 22 — Nov 291
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Madrid 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 St. Louis to Madrid
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to MadridExplore the most affordable flight options available from St. Louis to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
Explore the most affordable flight options available from St. Louis to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
This Rumbo deal was found by Cheapflights users on 10/20. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:31 pm -
1 stop12h 14m
Wed 12/912:20 pm -
1 stop16h 18m
Deal found 10/20![Virgin Atlantic logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/16:00 am -
1 stop20h 30m
Tue 12/81:25 pm -
2 stops32h 16m
Deal found 10/19![United Airlines logo]()
$739
This Justfly.com deal was found by Cheapflights users on 10/20. 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.
Wed 12/96:30 am -
2 stops18h 30m
Thu 1/141:25 pm -
2 stops33h 53m
Deal found 10/20![Air Canada logo]()
$742
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/2310:53 am -
2 stops13h 52m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 10/20![United Airlines logo]()
$748
This United deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:29 am -
1 stop15h 01m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 10/21![Multiple Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/231:21 pm -
1 stop12h 34m
Wed 12/912:40 pm -
1 stop12h 53m
Deal found 10/21![American Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 12/210:50 am -
2 stops13h 55m
Wed 12/91:20 pm -
2 stops16h 39m
Deal found 10/18![United Airlines logo]()
$758
This Expedia deal was found by Cheapflights users on 10/22. 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.
Sun 12/69:59 am -
1 stop15h 51m
Sun 12/131:00 pm -
1 stop16h 20m
Deal found 10/22![Iberia logo]()
$771
Best flights from St. Louis to MadridDiscover carefully curated flight deals from St. Louis to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
Discover carefully curated flight deals from St. Louis to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 12/26:00 am -
1 stop20h 30m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 10/18![United Airlines logo]()
$748
This Finnair deal was found by Cheapflights users on 10/20. 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 12/96:48 am -
1 stop17h 42m
Tue 1/1212:20 pm -
1 stop15h 44m
Deal found 10/20![Multiple Airlines logo]()
$759
This KLM deal was found by Cheapflights users on 10/21. 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.
Fri 2/127:20 am -
1 stop19h 25m
Sun 2/216:05 am -
2 stops17h 49m
Deal found 10/21![KLM logo]()
$851
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/2311:29 am -
1 stop15h 01m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 10/20![United Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 10/18. 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 2/135:20 pm -
1 stop33h 10m
Sat 2/201:25 pm -
2 stops39h 16m
Deal found 10/18![United Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/36:00 am -
1 stop20h 30m
Wed 12/91:25 pm -
2 stops39h 50m
Deal found 10/22![United Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/151:08 pm -
2 stops21h 42m
Tue 12/81:25 pm -
2 stops32h 16m
Deal found 10/21![United Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/311:05 am -
1 stop15h 25m
Thu 12/1011:00 am -
1 stop15h 30m
Deal found 10/19![United Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/48:40 am -
2 stops16h 20m
Fri 12/118:35 am -
2 stops21h 24m
Deal found 10/20![United Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/1510:50 am -
2 stops14h 10m
Fri 12/251:30 pm -
2 stops34h 38m
Deal found 10/22![United Airlines logo]()
$857
Last-minute flights from St. Louis to MadridDiscover last-minute flight deals from St. Louis to Madrid. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Madrid. Data last updated October 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/1010:53 am -
2 stops14h 07m
Tue 11/171:25 pm -
2 stops29h 45m
Deal found 10/18![United Airlines logo]()
$792
This Travelocity deal was found by Cheapflights users on 10/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:21 am -
1 stop12h 49m
Tue 11/1712:00 pm -
1 stop14h 22m
Deal found 10/18![Iberia logo]()
$809
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/158:00 am -
1 stop16h 45m
Tue 12/81:25 pm -
2 stops32h 16m
Deal found 10/21![United Airlines logo]()
$799
This Rumbo deal was found by Cheapflights users on 10/20. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:31 pm -
1 stop12h 14m
Wed 12/912:20 pm -
1 stop16h 18m
Deal found 10/20![Virgin Atlantic logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/2310:53 am -
2 stops13h 52m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 10/20![United Airlines logo]()
$748
This United deal was found by Cheapflights users on 10/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:29 am -
1 stop15h 01m
Wed 12/96:05 am -
1 stop14h 40m
Deal found 10/21![Multiple Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/231:21 pm -
1 stop12h 34m
Wed 12/912:40 pm -
1 stop12h 53m
Deal found 10/21![American Airlines logo]()
$751
One-way flights from St. Louis to MadridSearch for one-way flight options from St. Louis to Madrid. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
Search for one-way flight options from St. Louis to Madrid. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/44:32 pm -
2 stops20h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Aer Lingus logo]()
$449
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:02 am -
2 stops20h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Aer Lingus logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 1/46:21 pm -
3 stops32h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/66:20 pm -
3 stops58h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/256:21 pm -
3 stops40h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$480
This Expedia deal was found by Cheapflights users on 10/21. 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.
Mon 1/411:09 am -
1 stop11h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$535
This Justfly.com deal was found by Cheapflights users on 10/21. 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 12/610:25 am -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Iberia logo]()
$538
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/259:15 am -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Aer Lingus logo]()
$544
This Expedia deal was found by Cheapflights users on 10/21. 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 12/2510:20 am -
1 stop16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sat 10/316:02 am -
3 stops32h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$1,995
This Globehunters deal was found by Cheapflights users on 10/21. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 pm -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Brussels Airlines logo]()
$3,466
Find flight deals from St. Louis to Madrid
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Madrid (MAD). 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 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $718 (Expedia) |
One-way from | $449 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $758 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Madrid 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 23, 2026.
Use the filters below to find and compare flights from St. Louis to Madrid that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Sun 4/18
7:30 am-5:40 pm
2 stops27h 10m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$348
Quickest round-trip
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Fri 4/16
9:35 pm-6:10 pm
1 stop13h 35m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$383
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Fri 3/12
10:30 am-8:50 am
1 stop15h 20m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$391
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Sat 3/27
4:25 pm-4:30 am
1 stop30h 05m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$431
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Sat 3/27
7:04 pm-7:05 am
2 stops30h 01m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$448
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Mon 1/4
4:32 pm-7:55 pm
2 stops20h 23m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$449
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Mon 1/4
6:21 pm-9:55 am
3 stops32h 34m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$470
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Sun 12/6
6:20 pm-12:05 pm
3 stops58h 45m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$477
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Fri 3/12
4:05 pm-7:45 pm
3 stops20h 40m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$505
St. LouisMadrid
STL Lambert-St Louis - MAD Madrid Barajas
STLMAD
Lambert-St Louis
Fri 12/25
10:20 am-9:25 am
1 stop16h 05m
Madrid Barajas
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$583
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Madrid
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 St. Louis to Madrid in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Madrid flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Madrid flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Madrid flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Madrid flights, Cheapflights users trust Ovago the most. Ovago 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 St. Louis-Madrid 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 St. Louis to Madrid
Have a flexible travel schedule? Discover the best time to fly to Madrid from St. Louis with our price prediction graph.
STL-MAD
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 St. Louis to Madrid
How far ahead should I book a flight from St. Louis to Madrid?
The best time to book flights from St. Louis to Madrid is 18 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Madrid?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Madrid (average of $673). Flying from St. Louis to Madrid in June is currently the most expensive (average of $1,465). 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 St. Louis to Madrid?
Airfare is typical for this route at the moment.
St. Louis to Madrid flights typically cost between $682 and $1,064 in March.The cheapest round-trip price found within the last 5 days was $718 on Iberia (Mar 7-Mar 12).
Reviews of airlines servicing Madrid
Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated October 23, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andIberia from St. Louis to Madrid by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Madrid. 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 Madrid?
Book flights to Madrid if you plan to visit one of these locationsGetafe
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Explore flights to Madrid departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 23, 2026.
St. Louis and Madrid flights
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Other flights from St. Louis
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Top 6 airlines flying from St. Louis to Madrid
Discover the top 6 airlines that operate flights from St. Louis to Madrid. 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 7,457,451 searches. Data last updated October 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$900 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$494 | Average$1,087 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$516 | Average$768 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$523 | Average$973 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$581 | Average$902 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$623 | Average$1,245 | FlexibilityNo cancel fee | On-time69% |