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Cheap flights from Madrid to St. Louis from $410

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Madrid to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:00 pm - 7:30 pm
MAD
-
STL
29h 30m
1 stop
British Airways Logo
2:54 pm - 4:55 pm
STL
-
MAD
19h 01m
2 stops
$833British Airways
Tue, Oct 13 - Thu, Dec 3
British Airways Logo
12:20 pm - 7:46 pm
MAD
-
STL
14h 26m
1 stop
British Airways Logo
10:45 am - 11:55 am
STL
-
MAD
18h 10m
2 stops
$834British Airways
Thu, Oct 15 - Tue, Dec 1
Delta Logo
1:05 pm - 11:39 pm
MAD
-
STL
17h 34m
2 stops
Delta Logo
4:40 pm - 3:20 pm
STL
-
MAD
15h 40m
2 stops
$836Delta
Thu, Oct 15 - Wed, Dec 2
Delta Logo
6:00 am - 11:18 pm
MAD
-
STL
24h 18m
2 stops
Delta Logo
11:51 am - 9:55 am
STL
-
MAD
15h 04m
1 stop
$837Delta
Mon, Nov 2 - Mon, Nov 30
British Airways Logo
10:35 am - 11:25 pm
MAD
-
STL
19h 50m
2 stops
British Airways Logo
10:45 am - 11:55 am
STL
-
MAD
18h 10m
2 stops
$839British Airways
Tue, Oct 13 - Tue, Dec 1
British Airways Logo
9:00 pm - 7:30 pm
MAD
-
STL
29h 30m
1 stop
British Airways Logo
6:13 pm - 8:00 pm
STL
-
MAD
18h 47m
2 stops
$841British Airways
Tue, Oct 13 - Mon, Nov 30
British Airways Logo
12:40 pm - 7:02 pm
MAD
-
STL
13h 22m
1 stop
British Airways Logo
6:13 pm - 6:30 pm
STL
-
MAD
17h 17m
2 stops
$842British Airways
Thu, Oct 15 - Mon, Nov 30
Delta Logo
9:50 am - 11:39 pm
MAD
-
STL
20h 49m
1 stop
Delta Logo
5:45 pm - 3:20 pm
STL
-
MAD
14h 35m
2 stops
$843Delta
Fri, Oct 23 - Sat, Nov 28
British Airways Logo
10:35 am - 7:30 pm
MAD
-
STL
15h 55m
1 stop
British Airways Logo
11:01 am - 1:30 pm
STL
-
MAD
19h 29m
1 stop
$844British Airways
Tue, Sep 1 - Thu, Sep 10
British Airways Logo
3:25 pm - 11:34 pm
MAD
-
STL
15h 09m
1 stop
British Airways Logo
11:09 am - 5:30 am
STL
-
MAD
11h 21m
1 stop
$845British Airways
Thu, Sep 3 - Thu, Sep 10

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British Airways flights from Madrid to St. Louis

Our best British Airways deals on Madrid to St. Louis flight tickets
British Airways
Oct 13
MAD9:00 pmMadrid Barajas
29h 30m
1 stop
STL7:30 pmLambert-St Louis
Dec 2
STL2:54 pmLambert-St Louis
15h 41m
2 stops
MAD1:35 pmMadrid Barajas
$833
British Airways
Oct 15
MAD1:35 pmMadrid Barajas
13h 33m
1 stop
STL8:08 pmLambert-St Louis
Dec 3
STL11:50 amLambert-St Louis
16h 10m
2 stops
MAD11:00 amMadrid Barajas
$834
British Airways
Oct 13
MAD10:35 amMadrid Barajas
19h 50m
2 stops
STL11:25 pmLambert-St Louis
Dec 1
STL10:45 amLambert-St Louis
18h 10m
2 stops
MAD11:55 amMadrid Barajas
$839

Delta flights from Madrid to St. Louis

Our best Delta deals on Madrid to St. Louis flight tickets
Delta
Oct 15
MAD1:05 pmMadrid Barajas
17h 34m
2 stops
STL11:39 pmLambert-St Louis
Dec 2
STL4:40 pmLambert-St Louis
15h 40m
2 stops
MAD3:20 pmMadrid Barajas
$836
Delta
Oct 23
MAD9:50 amMadrid Barajas
20h 49m
1 stop
STL11:39 pmLambert-St Louis
Nov 28
STL5:45 pmLambert-St Louis
14h 35m
2 stops
MAD3:20 pmMadrid Barajas
$843
Delta
Oct 23
MAD9:50 amMadrid Barajas
20h 49m
1 stop
STL11:39 pmLambert-St Louis
Nov 28
STL1:30 pmLambert-St Louis
13h 25m
1 stop
MAD9:55 amMadrid Barajas
$847

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 June 17, 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

Tue 10/13

9:00 pm-7:30 pm

1 stop29h 30m

Lambert-St Louis

Thu 12/3

2:54 pm-4:55 pm

2 stops19h 01m

$833

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 10/15

12:20 pm-7:46 pm

1 stop14h 26m

Lambert-St Louis

Tue 12/1

10:45 am-11:55 am

2 stops18h 10m

$834

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 10/15

1:05 pm-11:39 pm

2 stops17h 34m

Lambert-St Louis

Wed 12/2

4:40 pm-3:20 pm

2 stops15h 40m

$836

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Mon 11/2

6:00 am-11:18 pm

2 stops24h 18m

Lambert-St Louis

Mon 11/30

11:51 am-9:55 am

1 stop15h 04m

$837

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 10/13

10:35 am-11:25 pm

2 stops19h 50m

Lambert-St Louis

Tue 12/1

10:45 am-11:55 am

2 stops18h 10m

$839

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 10/13

9:00 pm-7:30 pm

1 stop29h 30m

Lambert-St Louis

Mon 11/30

6:13 pm-8:00 pm

2 stops18h 47m

$841

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 10/15

12:40 pm-7:02 pm

1 stop13h 22m

Lambert-St Louis

Mon 11/30

6:13 pm-6:30 pm

2 stops17h 17m

$842

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 10/23

9:50 am-11:39 pm

1 stop20h 49m

Lambert-St Louis

Sat 11/28

5:45 pm-3:20 pm

2 stops14h 35m

$843

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 9/1

10:35 am-7:30 pm

1 stop15h 55m

Lambert-St Louis

Thu 9/10

11:01 am-1:30 pm

1 stop19h 29m

$844
Quickest round-trip

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 9/3

3:25 pm-11:34 pm

1 stop15h 09m

Lambert-St Louis

Thu 9/10

11:09 am-5:30 am

1 stop11h 21m

$845

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 typical price of a round-trip flight between Madrid and St. Louis?

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

In general, July 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 $0. The month of March is another great option to travel to St. Louis, with average flight prices from Madrid averaging around $834.

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

You could potentially save up to 22% 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

15h 55m

Direct flights

None
The fastest flight from Madrid to St. Louis takes 15h 55m
There are no direct flights from Madrid to St. Louis. There are no popular flight routes from Madrid to St. Louis.
Search flight deals

Frequently asked questions about flying from Madrid to St. Louis

  • 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 15h 55m 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Clayton
Fenton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

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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