How long is the flight from Madrid to St. Louis?

A quick flight from Madrid to St. Louis can take about 14h 36m. Iberia provides one of the quickest options available for as low as $704. The distance from Madrid to St. Louis is about 4414 mi. This flight may include one or multiple stops.

What is the cheapest day to fly from Madrid to St. Louis?

Travelers seeking maximum savings on their Madrid to St. Louis flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Madrid to St. Louis?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 65% on your flight compared to booking on days when demand is much higher.

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

May can be a great time to fly to St. Louis from Madrid with a flight ticket averaging about $963. Cheapflights users have found deals in the month of May for as cheap as $698. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from MAD to STL?

One of the essential ways to save on airfare from Madrid to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 20% on airfare.

Can I find deals for flights from Madrid to St. Louis that include hotel bookings?

Yes. In addition to deals on Madrid to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Madrid to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to St. Louis.

Can I find deals for business class flights from Madrid to St. Louis?

Yes. Cheapflights offers flight deals from Madrid to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$383+ Flights from Madrid, Spain to St. Louis

Q: How much does it cost to fly round-trip from Madrid to St. Louis?

Airfare is below average for this route at the moment. Madrid to St. Louis flights typically cost between $828 and $880 in December. The cheapest round-trip price found within the last 3 days was $741 on Iberia (Dec 3-Dec 8).

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Cheap flight deals from Madrid to St. Louis

Round-trip from	$741 (Iberia)
One-way from	$383 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$857

From Madrid Barajas to Lambert-St Louis

Search Deals

One-way flight from Madrid Barajas to Lambert-St Louis

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Highest demand for flights based on searches. 7% potential increase in price ($74 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Madrid to St. Louis

Cheapest flights from Madrid to St. Louis
Explore the most affordable flight options available from Madrid to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Thu 9/1812:40 pmMAD - STL

1 stop14h 36mIberia

Mon 9/223:56 pmSTL - MAD

1 stop14h 29mIberia

Deal found 9/9

$683

Thu 9/1811:35 amMAD - STL

1 stop15h 50mAmerican Airlines

Mon 9/228:23 amSTL - MAD

1 stop14h 07mAmerican Airlines

Deal found 9/10

$708

Wed 10/812:40 pmMAD - STL

1 stop17h 38mIberia

Mon 10/272:15 pmSTL - MAD

2 stops22h 55mIberia

Deal found 9/8

$731

Wed 12/312:55 amMAD - STL

1 stop28h 30mIberia

Mon 12/811:50 amSTL - MAD

1 stop15h 30mIberia

Deal found 9/10

$741

Wed 10/812:40 pmMAD - STL

1 stop17h 38mIberia

Wed 10/2212:21 pmSTL - MAD

1 stop19h 04mIberia

Deal found 9/8

$745

Fri 10/1012:40 pmMAD - STL

1 stop18h 09mIberia

Sun 10/198:05 pmSTL - MAD

1 stop28h 50mIberia

Deal found 9/9

$748

Wed 10/812:40 pmMAD - STL

1 stop17h 38mIberia

Tue 10/214:34 pmSTL - MAD

2 stops15h 26mIberia

Deal found 9/8

$759

Best flights from Madrid to St. Louis
Discover carefully curated flight deals from Madrid to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Thu 9/1812:40 pmMAD - STL

1 stop14h 36mIberia

Mon 9/227:59 pmSTL - MAD

1 stop10h 26mIberia

Deal found 9/11

$704

Thu 9/1811:35 amMAD - STL

1 stop15h 50mAmerican Airlines

Mon 9/228:23 amSTL - MAD

1 stop14h 07mAmerican Airlines

Deal found 9/10

$708

Fri 11/216:00 amMAD - STL

1 stop14h 55mUnited Airlines

Tue 11/256:30 amSTL - MAD

2 stops18h 35mUnited Airlines

Deal found 9/9

$789

Wed 12/312:55 amMAD - STL

1 stop28h 30mIberia

Mon 12/811:50 amSTL - MAD

1 stop15h 30mIberia

Deal found 9/10

$741

Fri 11/216:00 amMAD - STL

1 stop14h 55mUnited Airlines

Sun 11/238:25 amSTL - MAD

1 stop16h 40mUnited Airlines

Deal found 9/9

$789

Fri 10/1012:40 pmMAD - STL

1 stop18h 09mIberia

Fri 10/178:05 pmSTL - MAD

1 stop10h 20mIberia

Deal found 9/10

$767

Sat 11/156:00 amMAD - STL

2 stops37h 28mUnited Airlines

Thu 11/278:25 amSTL - MAD

1 stop16h 40mUnited Airlines

Deal found 9/9

$794

Fri 10/106:20 amMAD - STL

2 stops16h 24mUnited Airlines

Fri 10/175:28 pmSTL - MAD

2 stops30h 12mUnited Airlines

Deal found 9/10

$804

Sat 10/1110:50 amMAD - STL

2 stops18h 45mUnited Airlines

Tue 10/219:20 amSTL - MAD

2 stops15h 45mUnited Airlines

Deal found 9/8

$807

Last-minute flights from Madrid to St. Louis
Discover last-minute flight deals from Madrid to St. Louis. Data last updated September 11, 2025 and is based on user searches.

Thu 9/1812:40 pmMAD - STL

1 stop14h 36mIberia

Mon 9/223:56 pmSTL - MAD

1 stop14h 29mIberia

Deal found 9/9

$683

Thu 9/184:15 pmMAD - STL

1 stop14h 44mAmerican Airlines

Mon 9/221:53 pmSTL - MAD

1 stop11h 02mAmerican Airlines

Deal found 9/11

$706

Wed 10/812:40 pmMAD - STL

1 stop17h 38mIberia

Mon 10/272:15 pmSTL - MAD

2 stops22h 55mIberia

Deal found 9/8

$731

Wed 10/812:40 pmMAD - STL

1 stop17h 38mIberia

Wed 10/2212:21 pmSTL - MAD

1 stop19h 04mIberia

Deal found 9/8

$745

Wed 10/812:40 pmMAD - STL

1 stop17h 38mIberia

Sun 10/2610:10 amSTL - MAD

1 stop17h 15mIberia

Deal found 9/8

$762

Thu 10/96:45 amMAD - STL

2 stops20h 35mIberia

Mon 10/279:35 amSTL - MAD

2 stops23h 15mIberia

Deal found 9/8

$766

Fri 10/1012:40 pmMAD - STL

1 stop18h 09mIberia

Sun 10/198:05 pmSTL - MAD

1 stop28h 50mIberia

Deal found 9/9

$748

One-way flights from Madrid to St. Louis
Search for one-way flight options from Madrid to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Tue 11/182:55 pmMAD - STL

3 stops59h 03mMultiple Airlines

Deal found 9/11

$383

Sat 11/152:55 pmMAD - STL

3 stops33h 27mMultiple Airlines

Deal found 9/11

$384

Mon 11/172:55 pmMAD - STL

3 stops50h 10mMultiple Airlines

Deal found 9/11

$389

Wed 11/1910:20 amMAD - STL

3 stops31h 41mMultiple Airlines

Deal found 9/11

$397

Wed 10/154:50 pmMAD - STL

3 stops49h 53mMultiple Airlines

Deal found 9/11

$402

Fri 10/3112:10 pmMAD - STL

3 stops36h 00mMultiple Airlines

Deal found 9/9

$413

Sun 11/1612:10 pmMAD - STL

3 stops51h 57mMultiple Airlines

Deal found 9/11

$416

Thu 11/205:45 amMAD - STL

2 stops25h 12mMultiple Airlines

Deal found 9/11

$430

Wed 10/85:55 amMAD - STL

3 stops35h 42mMultiple Airlines

Deal found 9/10

$434

Fly from

Fly to

Route

Depart

Return

Price

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 9/18

12:40 pm-8:16 pm

1 stop14h 36m

Lambert-St Louis

Mon 9/22

7:59 pm-1:25 pm

1 stop10h 26m

$704

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 9/18

11:35 am-8:25 pm

1 stop15h 50m

Lambert-St Louis

Mon 9/22

8:23 am-5:30 am

1 stop14h 07m

$708

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 12/3

12:55 am-10:25 pm

1 stop28h 30m

Lambert-St Louis

Mon 12/8

11:50 am-10:20 am

1 stop15h 30m

$741

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 10/10

12:40 pm-11:49 pm

1 stop18h 09m

Lambert-St Louis

Fri 10/17

8:05 pm-1:25 pm

1 stop10h 20m

$767

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 11/21

6:00 am-1:55 pm

1 stop14h 55m

Lambert-St Louis

Tue 11/25

6:30 am-8:05 am

2 stops18h 35m

$789

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 11/21

6:00 am-1:55 pm

1 stop14h 55m

Lambert-St Louis

Sun 11/23

8:25 am-8:05 am

1 stop16h 40m

$789

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Sat 11/15

6:00 am-12:28 pm

2 stops37h 28m

Lambert-St Louis

Thu 11/27

8:25 am-8:05 am

1 stop16h 40m

$794

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 10/10

6:20 am-3:44 pm

2 stops16h 24m

Lambert-St Louis

Fri 10/17

5:28 pm-6:40 am

2 stops30h 12m

$804

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Sat 10/11

10:50 am-10:35 pm

2 stops18h 45m

Lambert-St Louis

Tue 10/21

9:20 am-8:05 am

2 stops15h 45m

$807

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 11/18

2:55 pm-6:58 pm

3 stops59h 03m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 18 results

Best time to book a flight from Madrid to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Madrid with our price prediction graph.

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 Madrid to St. Louis

What is the cheapest month to book a flight from Madrid to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Madrid to St. Louis (average of $311). Flying from Madrid to St. Louis in March is currently the most expensive (average of $356). 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 Madrid to St. Louis?

Related info for your journey

How long is the flight from Madrid to St. Louis?
A quick flight from Madrid to St. Louis can take about 14h 36m. Iberia provides one of the quickest options available for as low as $704. The distance from Madrid to St. Louis is about 4414 mi. This flight may include one or multiple stops.
Can I find deals for flights from Madrid to St. Louis that include hotel bookings?
Yes. In addition to deals on Madrid to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Madrid to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to St. Louis.
Can I find deals for business class flights from Madrid to St. Louis?
Yes. Cheapflights offers flight deals from Madrid to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Madrid to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Madrid to St. Louis (average of $311). Flying from Madrid to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

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Festus

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$383+ Cheap flights from Madrid, Spain (MAD) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Madrid to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Madrid to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Madrid to St. Louis

Cheapest flights from Madrid to St. LouisExplore the most affordable flight options available from Madrid to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Madrid to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Madrid to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Madrid with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Madrid to St. Louis

What is the cheapest month to book a flight from Madrid to St. Louis?

How much does it cost to fly round-trip from Madrid to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Madrid to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Madrid to St. Louis?

Can I find deals for flights from Madrid to St. Louis that include hotel bookings?

How can I find direct flights from Madrid to St. Louis?

Can I find deals for business class flights from Madrid to St. Louis?

What is the cheapest month to book a flight from Madrid to St. Louis?

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Cheapest flights from Madrid to St. Louis
Explore the most affordable flight options available from Madrid to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.