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Cheap flights from St. Louis to Madrid from $380

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Madrid

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:40 pm - 8:50 amSTL  Lambert-St Louis-MAD Madrid Barajas
11h 10m1 stop Toronto Pearson Intl
Air Canada Logo
1:30 pm - 8:20 pmMAD  Madrid Barajas-STL Lambert-St Louis
13h 50m1 stop Toronto Pearson Intl
$547Air Canada
Mon, Oct 5 - Wed, Oct 21
Multiple Airlines Logo
8:55 am - 8:50 amSTL  Lambert-St Louis-MAD Madrid Barajas
16h 55m1 stop Toronto Pearson Intl
Multiple Airlines Logo
1:30 pm - 8:20 pmMAD  Madrid Barajas-STL Lambert-St Louis
13h 50m1 stop Toronto Pearson Intl
$552Multiple Airlines
Mon, Oct 5 - Wed, Oct 21
British Airways Logo
10:21 am - 8:05 amSTL  Lambert-St Louis-MAD Madrid Barajas
14h 44m1 stop Dallas/Fort Worth
British Airways Logo
12:55 am - 9:30 amMAD  Madrid Barajas-STL Lambert-St Louis
15h 35m1 stop Dallas/Fort Worth
$567British Airways
Sun, Nov 1 - Mon, Nov 16
Lufthansa Logo
10:27 am - 8:05 amSTL  Lambert-St Louis-MAD Madrid Barajas
14h 38m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
Lufthansa Logo
11:50 am - 9:21 pmMAD  Madrid Barajas-STL Lambert-St Louis
16h 31m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$570Lufthansa
Mon, Oct 5 - Wed, Oct 21
United Airlines Logo
1:09 pm - 8:05 amSTL  Lambert-St Louis-MAD Madrid Barajas
11h 56m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:15 am - 9:21 pmMAD  Madrid Barajas-STL Lambert-St Louis
17h 06m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$570United Airlines
Mon, Oct 5 - Wed, Oct 21
Delta Logo
7:05 am - 6:20 amSTL  Lambert-St Louis-MAD Madrid Barajas
16h 15m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
Delta Logo
12:45 pm - 10:51 amMAD  Madrid Barajas-STL Lambert-St Louis
29h 06m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$570Delta
Mon, Oct 5 - Wed, Oct 21
Delta Logo
1:01 pm - 9:55 amSTL  Lambert-St Louis-MAD Madrid Barajas
13h 54m1 stop New York LaGuardia
Delta Logo
12:45 pm - 8:14 pmMAD  Madrid Barajas-STL Lambert-St Louis
14h 29m1 stop New York John F Kennedy Intl
$570Delta
Mon, Oct 5 - Wed, Oct 21
United Airlines Logo
12:20 pm - 9:00 amSTL  Lambert-St Louis-MAD Madrid Barajas
13h 40m1 stop Newark
United Airlines Logo
1:30 pm - 8:20 pmMAD  Madrid Barajas-STL Lambert-St Louis
13h 50m1 stop Toronto Pearson Intl
$573United Airlines
Mon, Oct 5 - Wed, Oct 21
British Airways Logo
9:35 pm - 9:40 amSTL  Lambert-St Louis-MAD Madrid Barajas
29h 05m1 stop London Heathrow
British Airways Logo
10:25 am - 6:20 pmMAD  Madrid Barajas-STL Lambert-St Louis
14h 55m1 stop Dallas/Fort Worth
$578British Airways
Wed, Oct 7 - Wed, Oct 21
Lufthansa Logo
3:40 pm - 11:35 pmSTL  Lambert-St Louis-MAD Madrid Barajas
24h 55m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
6:05 am - 1:45 pmMAD  Madrid Barajas-STL Lambert-St Louis
14h 40m1 stop Frankfurt am Main
$692Lufthansa
Fri, Nov 6 - Fri, Nov 13

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American Airlines flights from St. Louis to Madrid

Our best American Airlines deals on St. Louis to Madrid flight tickets
American Airlines
Dec 10
STL8:29 amLambert-St Louis
14h 41m
1 stop
MAD6:10 amMadrid Barajas
Jan 13
MAD12:40 pmMadrid Barajas
16h 24m
1 stop
STL10:04 pmLambert-St Louis
$629
American Airlines
Nov 12
STL9:50 amLambert-St Louis
16h 00m
1 stop
MAD8:50 amMadrid Barajas
Nov 15
MAD1:00 pmMadrid Barajas
17h 58m
1 stop
STL11:58 pmLambert-St Louis
$679

British Airways flights from St. Louis to Madrid

Our best British Airways deals on St. Louis to Madrid flight tickets
British Airways
Nov 1
STL10:21 amLambert-St Louis
14h 44m
1 stop
MAD8:05 amMadrid Barajas
Nov 16
MAD12:55 amMadrid Barajas
15h 35m
1 stop
STL9:30 amLambert-St Louis
$567
British Airways
Oct 7
STL9:35 pmLambert-St Louis
29h 05m
1 stop
MAD9:40 amMadrid Barajas
Oct 21
MAD10:25 amMadrid Barajas
14h 55m
1 stop
STL6:20 pmLambert-St Louis
$578
British Airways
Mar 6
STL6:57 pmLambert-St Louis
27h 48m
1 stop
MAD5:45 amMadrid Barajas
Mar 15
MAD12:55 amMadrid Barajas
23h 16m
1 stop
STL6:11 pmLambert-St Louis
$595

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Madrid that are best for you.

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Price

Cheapest round-trip
Quickest round-trip

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

2:40 pm-8:50 am

1 stop11h 10m

Madrid Barajas

Wed 10/21

1:30 pm-8:20 pm

1 stop13h 50m

$547

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

8:55 am-8:50 am

1 stop16h 55m

Madrid Barajas

Wed 10/21

1:30 pm-8:20 pm

1 stop13h 50m

$552

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Sun 11/1

10:21 am-8:05 am

1 stop14h 44m

Madrid Barajas

Mon 11/16

12:55 am-9:30 am

1 stop15h 35m

$567

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

10:27 am-8:05 am

2 stops14h 38m

Madrid Barajas

Wed 10/21

11:50 am-9:21 pm

2 stops16h 31m

$570

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

1:09 pm-8:05 am

1 stop11h 56m

Madrid Barajas

Wed 10/21

11:15 am-9:21 pm

2 stops17h 06m

$570

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

7:05 am-6:20 am

2 stops16h 15m

Madrid Barajas

Wed 10/21

12:45 pm-10:51 am

2 stops29h 06m

$570

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

1:01 pm-9:55 am

1 stop13h 54m

Madrid Barajas

Wed 10/21

12:45 pm-8:14 pm

1 stop14h 29m

$570

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Mon 10/5

12:20 pm-9:00 am

1 stop13h 40m

Madrid Barajas

Wed 10/21

1:30 pm-8:20 pm

1 stop13h 50m

$573

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Wed 10/7

9:35 pm-9:40 am

1 stop29h 05m

Madrid Barajas

Wed 10/21

10:25 am-6:20 pm

1 stop14h 55m

$578

St. LouisMadrid

STL Lambert-St Louis - MAD Madrid Barajas

STLMAD

Lambert-St Louis

Fri 11/6

3:40 pm-11:35 pm

2 stops24h 55m

Madrid Barajas

Fri 11/13

6:05 am-1:45 pm

1 stop14h 40m

$692

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 Madrid from

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

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 St. Louis and Madrid?

Prices are currently low for flights on this route.

Typical prices usually range from $754 to $1,000.
The lowest price recently found on this route was $547.

What is the cheapest month to fly to Madrid?

The month of February is, on average, the cheapest month to fly to Madrid from St. Louis, with most prices found around $673. If you don’t want to visit Madrid in February, then you should wait until April to fly from St. Louis, when ticket prices are also cheap, with an average price of $735.

How far in advance should I book a flight from St. Louis to Madrid?

You are more likely to see cheaper flights to Madrid from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Madrid for around $949 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madrid from St. Louis for as low as $755 on momondo.

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

You could potentially save up to 19% on your flight if you consider stops on a St. Louis to Madrid flight.

How have St. Louis to Madrid flight prices changed over time?

As of September 2026, prices for St. Louis to Madrid flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Madrid

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

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

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

Best Price Found

$380

Fastest flight time

13h 10m

Direct flights

None
The best one-way flight to Madrid from St. Louis in the past 72 hours is $380. The best round-trip flight deal from St. Louis to Madrid found on momondo in the last 72 hours is $547.
The fastest flight from St. Louis to Madrid takes 13h 10m
There are no direct flights from St. Louis to Madrid. There are no popular flight routes from St. Louis to Madrid.
Search flight deals

Frequently asked questions about flying from St. Louis to Madrid

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

    The straight-line distance from Lambert-St Louis to Madrid Barajas is 4406.9 mi. 13h 10m is a normal flight duration for this route.

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

    Prices for flights from Lambert-St Louis Airport to Madrid Barajas Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Madrid Barajas Airport?

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

  • What documentation or ID do you need to fly to Madrid Barajas Airport?

    The travel and health documents you'll need for your trip to Madrid Barajas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Madrid Barajas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Madrid?

Best airlines flying from St. Louis to Madrid

Compare and see reviews for airlines that fly from St. Louis to Madrid with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $482Free CancellationRating
6.8
8,234 reviews
Search Lufthansa flights
DeltaPriceFrom $489Free CancellationRating
7.8
8,593 reviews
Search Delta flights
British AirwaysPriceFrom $516Free CancellationRating
6.7
8,227 reviews
Search British Airways flights
IberiaPriceFrom $523Free CancellationRating
7.0
3,248 reviews
Search Iberia flights
American AirlinesPriceFrom $582Free CancellationRating
7.0
12,074 reviews
Search American Airlines flights
United AirlinesPriceFrom $623Free CancellationRating
7.4
10,233 reviews
Search United Airlines flights

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Toledo
Segovia
Getafe
Fuenlabrada
Cuenca
Guadalajara
San Lorenzo de El Escorial

Why use momondo?

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

It is quick and easy to find St. Louis to Madrid flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Madrid that suits you.

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

Yes. momondo allows you to filter the results for St. Louis to Madrid flights to just show those with flexible booking policies.

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

Once you have performed a search for St. Louis to Madrid 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 St. Louis to Madrid right now. Can momondo alert me if prices change?

Price alerts on flights to Madrid from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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