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

A quick flight from St. Louis to Madrid can take about 15h 11m. British Airways provides one of the quickest options available for as low as $435. The distance between St. Louis and Madrid is about 4414 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from St. Louis to Madrid round-trip?

According to our current data, Lufthansa ($524), British Airways ($546), and United Airlines ($578) offers the cheapest pricing from St. Louis to Madrid. You may be able to fly from St. Louis to Madrid for 42% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Madrid ranges from 0.4 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Madrid when rainfall is around 0.4 in.

If weather is an important factor for your trip to Madrid, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from St. Louis to Madrid?

Iberia, American Airlines and United Airlines are the most popular airlines when flying from St. Louis to Madrid.

Most accurate provider : When it comes to deals on St. Louis-Madrid flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Madrid flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Madrid flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Madrid flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$311+ Flights from St. Louis to Madrid, Spain

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

Airfare is below average for this route at the moment. St. Louis to Madrid flights typically cost between $695 and $1,259 in January. The cheapest round-trip price found within the last 3 days was $383 on Iberia (Jan 19-Jan 29).

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Lambert-St Louis to Madrid Barajas are usually found in November or February, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find flight deals from St. Louis to Madrid

Cheapest flights from St. Louis to Madrid
Explore the most affordable flight options available from St. Louis to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Wed 12/32:48 pmSTL - MAD

2 stops14h 52mIberia

Mon 12/81:15 pmMAD - STL

1 stop14h 23mIberia

Deal found 11/26

$425

Mon 12/81:59 pmSTL - MAD

1 stop11h 51mAmerican Airlines

Wed 12/2412:00 pmMAD - STL

1 stop27h 35mAmerican Airlines

Deal found 11/26

$430

Mon 12/85:44 pmSTL - MAD

1 stop32h 31mUnited Airlines

Wed 12/245:55 amMAD - STL

2 stops22h 48mUnited Airlines

Deal found 11/26

$454

Wed 12/39:30 amSTL - MAD

1 stop16h 45mKLM

Mon 12/811:15 amMAD - STL

1 stop13h 41mKLM

Deal found 11/26

$479

Best flights from St. Louis to Madrid
Discover carefully curated flight deals from St. Louis to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

Mon 1/198:13 amSTL - MAD

1 stop14h 32mMultiple Airlines

Wed 1/2812:55 amMAD - STL

1 stop14h 56mMultiple Airlines

Deal found 11/25

$429

Mon 1/196:44 pmSTL - MAD

2 stops15h 11mBritish Airways

Thu 1/2912:40 pmMAD - STL

1 stop12h 54mBritish Airways

Deal found 11/25

$435

Thu 1/226:57 pmSTL - MAD

1 stop31h 18mDelta

Thu 1/2911:15 amMAD - STL

1 stop13h 35mDelta

Deal found 11/25

$463

Sat 1/176:30 amSTL - MAD

2 stops19h 45mUnited Airlines

Mon 1/266:00 amMAD - STL

2 stops23h 58mUnited Airlines

Deal found 11/25

$479

Tue 1/205:56 pmSTL - MAD

2 stops16h 44mMultiple Airlines

Thu 1/2911:15 amMAD - STL

1 stop13h 35mMultiple Airlines

Deal found 11/25

$448

Sun 1/185:32 pmSTL - MAD

1 stop31h 28mDelta

Sun 2/110:00 amMAD - STL

1 stop17h 06mDelta

Deal found 11/26

$468

Fri 1/93:50 pmSTL - MAD

1 stop17h 20mUnited Airlines

Fri 1/161:35 pmMAD - STL

2 stops29h 54mUnited Airlines

Deal found 11/25

$479

Thu 1/229:45 amSTL - MAD

1 stop15h 15mDelta

Mon 1/2610:00 amMAD - STL

1 stop17h 06mDelta

Deal found 11/25

$478

Thu 1/221:15 pmSTL - MAD

2 stops13h 00mUnited Airlines

Thu 1/296:00 amMAD - STL

2 stops17h 03mUnited Airlines

Deal found 11/25

$479

Mon 1/196:25 amSTL - MAD

1 stop18h 35mDelta

Sun 2/110:00 amMAD - STL

1 stop17h 06mDelta

Deal found 11/25

$478

Fri 1/163:50 pmSTL - MAD

1 stop17h 20mUnited Airlines

Tue 1/271:35 pmMAD - STL

2 stops29h 54mUnited Airlines

Deal found 11/25

$479

Tue 1/205:32 pmSTL - MAD

1 stop31h 28mDelta

Tue 1/2711:15 amMAD - STL

1 stop16h 22mDelta

Deal found 11/25

$479

Last-minute flights from St. Louis to Madrid
Discover last-minute flight deals from St. Louis to Madrid. Data last updated November 26, 2025 and is based on user searches.

Wed 12/32:48 pmSTL - MAD

2 stops14h 52mIberia

Mon 12/81:15 pmMAD - STL

1 stop14h 23mIberia

Deal found 11/26

$425

Wed 12/39:30 amSTL - MAD

1 stop16h 45mKLM

Mon 12/811:15 amMAD - STL

1 stop13h 41mKLM

Deal found 11/26

$479

Mon 12/81:59 pmSTL - MAD

1 stop11h 51mAmerican Airlines

Wed 12/2412:00 pmMAD - STL

1 stop27h 35mAmerican Airlines

Deal found 11/26

$430

Mon 12/85:44 pmSTL - MAD

1 stop32h 31mUnited Airlines

Wed 12/245:55 amMAD - STL

2 stops22h 48mUnited Airlines

Deal found 11/26

$454

One-way flights from St. Louis to Madrid
Search for one-way flight options from St. Louis to Madrid. Find affordable one-way fares based on user searches. Data last updated November 26, 2025.

Thu 2/1210:42 amSTL - MAD

3 stops26h 48mMultiple Airlines

Deal found 11/25

$377

Thu 2/127:41 amSTL - MAD

2 stops29h 29mUnited Airlines

Deal found 11/25

$418

Thu 1/18:05 amSTL - MAD

2 stops29h 05mUnited Airlines

Deal found 11/26

$448

Sun 11/301:20 pmSTL - MAD

1 stop13h 05mIberia

Deal found 11/25

$471

Sat 11/295:17 pmSTL - MAD

1 stop32h 58mKLM

Deal found 11/25

$495

Thu 1/19:36 amSTL - MAD

1 stop16h 49mIberia

Deal found 11/26

$520

Sun 11/309:54 pmSTL - MAD

3 stops34h 11mMultiple Airlines

Deal found 11/25

$531

Sat 11/299:35 amSTL - MAD

2 stops15h 25mVirgin Atlantic

Deal found 11/25

$532

Thu 1/110:42 amSTL - MAD

3 stops48h 03mMultiple Airlines

Deal found 11/26

$533

Sun 11/303:43 pmSTL - MAD

2 stops15h 32mBritish Airways

Deal found 11/25

$559

Tue 12/2310:48 amSTL - MAD

3 stops47h 22mMultiple Airlines

Deal found 11/26

$611

Cheap flight deals from St. Louis to Madrid

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$426 (Expedia)
One-way from	$377 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$617

Provider with most accurate pricing for Lambert-St Louis-Madrid Barajas flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Madrid Barajas flights.

Search Deals

From Lambert-St Louis to Madrid Barajas

Search Deals

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

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($217 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Mon 1/19

8:13 am-5:45 am

1 stop14h 32m

Madrid Barajas

Wed 1/28

12:55 am-8:51 am

1 stop14h 56m

$429

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Mon 1/19

6:44 pm-4:55 pm

2 stops15h 11m

Madrid Barajas

Thu 1/29

12:40 pm-6:34 pm

1 stop12h 54m

$435

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 1/20

5:56 pm-5:40 pm

2 stops16h 44m

Madrid Barajas

Thu 1/29

11:15 am-5:50 pm

1 stop13h 35m

$448

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Thu 1/22

6:57 pm-9:15 am

1 stop31h 18m

Madrid Barajas

Thu 1/29

11:15 am-5:50 pm

1 stop13h 35m

$463

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 1/18

5:32 pm-8:00 am

1 stop31h 28m

Madrid Barajas

Sun 2/1

10:00 am-8:06 pm

1 stop17h 06m

$468

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Thu 1/22

9:45 am-8:00 am

1 stop15h 15m

Madrid Barajas

Mon 1/26

10:00 am-8:06 pm

1 stop17h 06m

$478

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Mon 1/19

6:25 am-8:00 am

1 stop18h 35m

Madrid Barajas

Sun 2/1

10:00 am-8:06 pm

1 stop17h 06m

$478

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sat 1/17

6:30 am-9:15 am

2 stops19h 45m

Madrid Barajas

Mon 1/26

6:00 am-10:58 pm

2 stops23h 58m

$479

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Fri 1/9

3:50 pm-4:10 pm

1 stop17h 20m

Madrid Barajas

Fri 1/16

1:35 pm-12:29 pm

2 stops29h 54m

$479

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Thu 1/22

1:15 pm-9:15 am

2 stops13h 00m

Madrid Barajas

Thu 1/29

6:00 am-4:03 pm

2 stops17h 03m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 24 results

Compare providers for flights from St. Louis to Madrid

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Madrid in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Madrid flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Madrid flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Madrid flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Madrid flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Madrid from St. Louis 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 St. Louis to Madrid

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Madrid (average of $530). Flying from St. Louis to Madrid in June is currently the most expensive (average of $907). 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.

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

One of the essential ways to save on airfare from St. Louis to Madrid 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 17% on airfare.

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

Reviews of airlines servicing Madrid

Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada from St. Louis to Madrid by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,046 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,046 reviews

United Airlines

7.4

Good

9,046 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,038 reviews

United Airlines

7.4

Good

9,046 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Air Canada

7.1

Good

10,476 reviews

United Airlines

7.4

Good

9,046 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Iberia

7.0

Good

3,034 reviews

United Airlines

7.4

Good

9,046 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

British Airways

6.7

Okay

7,539 reviews

United Airlines

7.4

Good

9,046 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from St. Louis to Madrid?
A quick flight from St. Louis to Madrid can take about 15h 11m. British Airways provides one of the quickest options available for as low as $435. The distance between St. Louis and Madrid is about 4414 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from St. Louis to Madrid round-trip?
According to our current data, Lufthansa ($524), British Airways ($546), and United Airlines ($578) offers the cheapest pricing from St. Louis to Madrid. You may be able to fly from St. Louis to Madrid for 42% less than the average price by searching for these airlines.
Can I find deals for flights from St. Louis to Madrid that include hotel bookings?
Yes. In addition to deals on St. Louis to Madrid flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Madrid?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Madrid.
Can I find deals for business class flights from St. Louis to Madrid?
Yes. Cheapflights offers flight deals from St. Louis to Madrid 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 St. Louis to Madrid?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Madrid (average of $530). Flying from St. Louis to Madrid in June is currently the most expensive (average of $907). 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

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Alternative routes for St. Louis to Madrid

Kansas City to Madrid flights

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Other flights to Madrid

Top 7 airlines flying from St. Louis to Madrid

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$524	Average$762	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$546	Average$731	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$578	Average$937	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$586	Average$915	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$589	Average$807	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$636	Average$953	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$701	Average$947	FlexibilityNo cancel fee	On-time67%

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$311+ Cheap flights from St. Louis (STL) to Madrid, Spain (MAD)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Madrid with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Madrid Barajas are usually found in November or February, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find flight deals from St. Louis to Madrid

Cheapest flights from St. Louis to MadridExplore the most affordable flight options available from St. Louis to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Explore the most affordable flight options available from St. Louis to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Cheap flight deals from St. Louis to Madrid

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from St. Louis to Madrid

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Madrid in November.

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

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

Cheapflights Insights

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

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

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

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

Reviews of airlines servicing Madrid

Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada from St. Louis to Madrid by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Madrid. 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 St. Louis to Madrid?

What are the cheapest airlines flying from St. Louis to Madrid round-trip?

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

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

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

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

Traveling to a place near Madrid?

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Alternative routes for St. Louis to Madrid

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Top 7 airlines flying from St. Louis to Madrid

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Cheapest flights from St. Louis to Madrid
Explore the most affordable flight options available from St. Louis to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.