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Cheap flights from Madrid to St. Louis from $463

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Madrid to St. Louis departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Madrid to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 1:25 pm
MAD
-
STL
14h 25m
1 stop
United Airlines Logo
6:15 am - 9:00 am
STL
-
MAD
19h 45m
1 stop
$862United Airlines
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
6:00 am - 1:25 pm
MAD
-
STL
14h 25m
1 stop
United Airlines Logo
8:30 am - 8:05 am
STL
-
MAD
16h 35m
1 stop
$866United Airlines
Fri, Apr 3 - Wed, Apr 8
United Airlines Logo
5:55 am - 6:11 pm
MAD
-
STL
19h 16m
2 stops
United Airlines Logo
10:00 am - 9:00 am
STL
-
MAD
16h 00m
2 stops
$867United Airlines
Wed, Apr 22 - Sun, Apr 26
Lufthansa Logo
6:05 am - 3:48 pm
MAD
-
STL
16h 43m
2 stops
Lufthansa Logo
11:37 am - 9:00 am
STL
-
MAD
14h 23m
1 stop
$868Lufthansa
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
6:00 am - 1:25 pm
MAD
-
STL
14h 25m
1 stop
United Airlines Logo
11:37 am - 9:00 am
STL
-
MAD
14h 23m
1 stop
$869United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
6:05 am - 10:45 pm
MAD
-
STL
23h 40m
2 stops
United Airlines Logo
8:45 am - 8:05 am
STL
-
MAD
16h 20m
1 stop
$872United Airlines
Thu, Apr 30 - Sun, May 10
Multiple Airlines Logo
10:25 am - 8:42 pm
MAD
-
STL
17h 17m
2 stops
Multiple Airlines Logo
5:59 pm - 3:35 pm
STL
-
MAD
14h 36m
2 stops
$873Multiple Airlines
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
5:55 am - 6:11 pm
MAD
-
STL
19h 16m
2 stops
United Airlines Logo
11:15 am - 8:05 am
STL
-
MAD
13h 50m
2 stops
$875United Airlines
Wed, Apr 22 - Sun, Apr 26
Delta Logo
6:00 am - 2:29 pm
MAD
-
STL
15h 29m
2 stops
Delta Logo
7:25 am - 12:15 pm
STL
-
MAD
21h 50m
1 stop
$876Delta
Tue, Apr 21 - Sun, Apr 26
United Airlines Logo
5:55 am - 7:31 pm
MAD
-
STL
20h 36m
2 stops
United Airlines Logo
12:15 pm - 8:05 am
STL
-
MAD
12h 50m
1 stop
$877United Airlines
Tue, Apr 21 - Sun, Apr 26

United Airlines flights from Madrid to St. Louis

Our best United Airlines deals on Madrid to St. Louis flight tickets
United Airlines
Apr 3
MAD6:00 amMadrid Barajas
14h 25m
1 stop
STL1:25 pmLambert-St Louis
Apr 7
STL6:15 amLambert-St Louis
19h 45m
1 stop
MAD9:00 amMadrid Barajas
$862
United Airlines
Apr 3
MAD6:00 amMadrid Barajas
14h 25m
1 stop
STL1:25 pmLambert-St Louis
Apr 8
STL8:30 amLambert-St Louis
16h 35m
1 stop
MAD8:05 amMadrid Barajas
$866
United Airlines
Apr 22
MAD5:55 amMadrid Barajas
19h 16m
2 stops
STL6:11 pmLambert-St Louis
Apr 26
STL10:00 amLambert-St Louis
16h 00m
2 stops
MAD9:00 amMadrid Barajas
$867

Delta flights from Madrid to St. Louis

Our best Delta deals on Madrid to St. Louis flight tickets
Delta
Apr 21
MAD6:00 amMadrid Barajas
15h 29m
2 stops
STL2:29 pmLambert-St Louis
Apr 26
STL7:25 amLambert-St Louis
21h 50m
1 stop
MAD12:15 pmMadrid Barajas
$876
Delta
May 1
MAD6:00 amMadrid Barajas
21h 44m
2 stops
STL8:44 pmLambert-St Louis
May 6
STL12:23 pmLambert-St Louis
15h 57m
2 stops
MAD11:20 amMadrid Barajas
$880
Delta
Apr 21
MAD6:00 amMadrid Barajas
17h 42m
2 stops
STL4:42 pmLambert-St Louis
Apr 26
STL9:59 amLambert-St Louis
16h 56m
2 stops
MAD9:55 amMadrid Barajas
$881

momondo 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, momondo users made 832,500 searches. Data last updated March 21, 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

Price

Cheapest round-trip

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 4/3

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 4/7

6:15 am-9:00 am

1 stop19h 45m

$862

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 4/3

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Wed 4/8

8:30 am-8:05 am

1 stop16h 35m

$866

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 4/22

5:55 am-6:11 pm

2 stops19h 16m

Lambert-St Louis

Sun 4/26

10:00 am-9:00 am

2 stops16h 00m

$867

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 4/9

6:05 am-3:48 pm

2 stops16h 43m

Lambert-St Louis

Mon 4/13

11:37 am-9:00 am

1 stop14h 23m

$868
Quickest round-trip

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 4/17

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 4/21

11:37 am-9:00 am

1 stop14h 23m

$869

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 4/30

6:05 am-10:45 pm

2 stops23h 40m

Lambert-St Louis

Sun 5/10

8:45 am-8:05 am

1 stop16h 20m

$872

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 4/3

10:25 am-8:42 pm

2 stops17h 17m

Lambert-St Louis

Tue 4/7

5:59 pm-3:35 pm

2 stops14h 36m

$873

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 4/22

5:55 am-6:11 pm

2 stops19h 16m

Lambert-St Louis

Sun 4/26

11:15 am-8:05 am

2 stops13h 50m

$875

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 4/21

6:00 am-2:29 pm

2 stops15h 29m

Lambert-St Louis

Sun 4/26

7:25 am-12:15 pm

1 stop21h 50m

$876

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 4/21

5:55 am-7:31 pm

2 stops20h 36m

Lambert-St Louis

Sun 4/26

12:15 pm-8:05 am

1 stop12h 50m

$877

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Madrid to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, April is the cheapest month to fly from Madrid to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $714. The month of May is another great option to travel to St. Louis, with average flight prices from Madrid averaging around $761.

Can stopping save me money on Madrid to St. Louis flights?

You could potentially save up to 9% on your flight if you consider stops on a Madrid to St. Louis flight.

When to book flights from Madrid to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Madrid to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Madrid to St. Louis (MAD to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Madrid to St. Louis

Fastest flight time

13h 54m

Direct flights

None
The fastest flight from Madrid to St. Louis takes 13h 54m
There are no direct flights from Madrid to St. Louis. There are no popular flight routes from Madrid to St. Louis.
Search flight deals

  • How far is Madrid Barajas to Lambert-St Louis by plane?

    The distance between Madrid Barajas and Lambert-St Louis is about 4406.9 mi. Typically, this will take 13h 54m by plane in normal conditions.

  • When did momondo last update prices for flights from Madrid Barajas Airport to Lambert-St Louis Airport?

    Prices for flights from Madrid Barajas Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Madrid Barajas Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Madrid Barajas Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
Alton
St. Peters
Wentzville
Fenton
Farmington
Clayton
Edwardsville
Festus
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Madrid to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Madrid to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Madrid to St. Louis with flexible booking policies on momondo?

Flights from Madrid to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Madrid to St. Louis?

Once you have performed a search for Madrid to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Madrid to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Madrid to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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