Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Madrid from $263

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Madrid departing on 3/28. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Madrid

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
11:55 am - 9:25 am
STL
-
MAD
14h 30m
1 stop
Finnair Logo
12:55 am - 7:29 pm
MAD
-
STL
25h 34m
1 stop
$408Finnair
Sun, Jan 25 - Mon, Feb 9
Air Canada Logo
4:05 pm - 8:00 am
STL
-
MAD
32h 55m
2 stops
Air Canada Logo
1:35 pm - 2:30 pm
MAD
-
STL
31h 55m
2 stops
$427Air Canada
Sun, Jan 25 - Tue, Feb 10
Virgin Atlantic Logo
6:57 pm - 8:00 am
STL
-
MAD
30h 03m
2 stops
Virgin Atlantic Logo
11:15 am - 11:37 pm
MAD
-
STL
19h 22m
1 stop
$429Virgin Atlantic
Sun, Jan 25 - Tue, Feb 10
KLM Logo
6:57 pm - 9:15 am
STL
-
MAD
31h 18m
1 stop
KLM Logo
10:00 am - 8:37 pm
MAD
-
STL
17h 37m
2 stops
$430KLM
Sun, Jan 25 - Tue, Feb 10
British Airways Logo
9:21 am - 4:55 pm
STL
-
MAD
25h 34m
2 stops
British Airways Logo
7:25 pm - 11:02 pm
MAD
-
STL
33h 37m
2 stops
$431British Airways
Tue, Mar 17 - Mon, Mar 23
British Airways Logo
6:50 pm - 8:25 am
STL
-
MAD
31h 35m
1 stop
British Airways Logo
9:00 pm - 9:11 pm
MAD
-
STL
31h 11m
2 stops
$435British Airways
Sat, Mar 21 - Mon, Mar 30
British Airways Logo
7:15 am - 9:25 am
STL
-
MAD
19h 10m
1 stop
British Airways Logo
1:15 pm - 10:44 pm
MAD
-
STL
16h 29m
1 stop
$436British Airways
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
2:00 pm - 7:55 am
STL
-
MAD
11h 55m
1 stop
British Airways Logo
12:50 pm - 11:02 pm
MAD
-
STL
40h 12m
2 stops
$442British Airways
Tue, Mar 17 - Mon, Mar 23
Delta Logo
6:00 am - 8:00 am
STL
-
MAD
19h 00m
2 stops
Delta Logo
10:00 am - 9:06 am
MAD
-
STL
30h 06m
2 stops
$444Delta
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
6:50 pm - 8:25 am
STL
-
MAD
31h 35m
1 stop
British Airways Logo
9:00 pm - 11:48 pm
MAD
-
STL
33h 48m
2 stops
$447British Airways
Sat, Mar 21 - Mon, Mar 30

KLM flights from St. Louis to Madrid

Our best KLM deals on St. Louis to Madrid flight tickets
KLM
Jan 25
STL6:57 pmLambert-St Louis
31h 18m
1 stop
MAD9:15 amMadrid Barajas
Feb 10
MAD11:15 amMadrid Barajas
16h 22m
1 stop
STL8:37 pmLambert-St Louis
$430
KLM
Feb 6
STL9:59 amLambert-St Louis
16h 16m
1 stop
MAD9:15 amMadrid Barajas
Feb 28
MAD11:15 amMadrid Barajas
28h 51m
1 stop
STL9:06 amLambert-St Louis
$530

British Airways flights from St. Louis to Madrid

Our best British Airways deals on St. Louis to Madrid flight tickets
British Airways
Jan 20
STL11:55 amLambert-St Louis
14h 30m
1 stop
MAD9:25 amMadrid Barajas
Jan 27
MAD12:40 pmMadrid Barajas
12h 54m
1 stop
STL6:34 pmLambert-St Louis
$424
British Airways
Mar 17
STL9:21 amLambert-St Louis
25h 34m
2 stops
MAD4:55 pmMadrid Barajas
Mar 23
MAD7:25 pmMadrid Barajas
33h 37m
2 stops
STL11:02 pmLambert-St Louis
$431
British Airways
Mar 21
STL6:50 pmLambert-St Louis
31h 35m
1 stop
MAD8:25 amMadrid Barajas
Mar 30
MAD9:00 pmMadrid Barajas
31h 11m
2 stops
STL9:11 pmLambert-St Louis
$435

momondo 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, momondo users made 832,500 searches. Data last updated January 16, 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

Price

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 1/25

11:55 am-9:25 am

1 stop14h 30m

Madrid Barajas

Mon 2/9

12:55 am-7:29 pm

1 stop25h 34m

$408

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 1/25

4:05 pm-8:00 am

2 stops32h 55m

Madrid Barajas

Tue 2/10

1:35 pm-2:30 pm

2 stops31h 55m

$427

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 1/25

6:57 pm-8:00 am

2 stops30h 03m

Madrid Barajas

Tue 2/10

11:15 am-11:37 pm

1 stop19h 22m

$429

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 1/25

6:57 pm-9:15 am

1 stop31h 18m

Madrid Barajas

Tue 2/10

10:00 am-8:37 pm

2 stops17h 37m

$430

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 3/17

9:21 am-4:55 pm

2 stops25h 34m

Madrid Barajas

Mon 3/23

7:25 pm-11:02 pm

2 stops33h 37m

$431

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sat 3/21

6:50 pm-8:25 am

1 stop31h 35m

Madrid Barajas

Mon 3/30

9:00 pm-9:11 pm

2 stops31h 11m

$435

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Wed 2/4

7:15 am-9:25 am

1 stop19h 10m

Madrid Barajas

Wed 2/11

1:15 pm-10:44 pm

1 stop16h 29m

$436

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 3/17

2:00 pm-7:55 am

1 stop11h 55m

Madrid Barajas

Mon 3/23

12:50 pm-11:02 pm

2 stops40h 12m

$442

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Wed 2/4

6:00 am-8:00 am

2 stops19h 00m

Madrid Barajas

Wed 2/11

10:00 am-9:06 am

2 stops30h 06m

$444

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sat 3/21

6:50 pm-8:25 am

1 stop31h 35m

Madrid Barajas

Mon 3/30

9:00 pm-11:48 pm

2 stops33h 48m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Madrid?

The month of November is, on average, the cheapest month to fly to Madrid from St. Louis, with most prices found around $608. If you don’t want to visit Madrid in November, then you should wait until December to fly from St. Louis, when ticket prices are also cheap, with an average price of $666.

How far in advance should I book a flight 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 $850 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 $589 on momondo.

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

You could potentially save up to 8% 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?

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

Fastest flight time

12h 28m

Direct flights

None
The fastest flight from St. Louis to Madrid takes 12h 28m
There are no direct flights from St. Louis to Madrid. There are no popular flight routes from St. Louis to Madrid.
Search flight deals

  • 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. 12h 28m 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
7,718 reviews
Search Lufthansa flights
British AirwaysPriceFrom $516Free CancellationRating
6.7
7,679 reviews
Search British Airways flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,050 reviews
Search Delta flights
IberiaPriceFrom $586Free CancellationRating
7.0
3,087 reviews
Search Iberia flights
American AirlinesPriceFrom $587Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
Air CanadaPriceFrom $701Free CancellationRating
7.1
10,624 reviews
Search Air Canada 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
San Lorenzo de El Escorial
Guadalajara

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.

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 2/15
Sun 2/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Fly your favorite airline to Madrid

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Iberia
American Airlines
British Airways
United Airlines
Air Canada
Delta
Lufthansa