MAD - STL

$734 Find Cheap Flights from Madrid to St. Louis

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Madrid to St. Louis departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Madrid to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Madrid to St. Louis, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Madrid to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Madrid to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Madrid to St. Louis

KAYAK's recommended round-trip deals from the most popular airlines that fly from Madrid to St. Louis.
Discover the best prices for you by selecting your travel dates on KAYAK.
Iberia Logo
11:35 am - 9:52 pmMAD-STL
17h 17m1 stop
Iberia Logo
7:30 pm - 1:25 pmSTL-MAD
10h 55m1 stop
$734Iberia
Find Deal
Mon, May 12 - Mon, May 26
Iberia Logo
4:40 pm - 9:52 pmMAD-STL
12h 12m1 stop
Iberia Logo
7:30 pm - 1:25 pmSTL-MAD
10h 55m1 stop
$751Iberia
Find Deal
Sat, May 10 - Mon, May 26
Air Canada Logo
12:45 pm - 7:58 pmMAD-STL
14h 13m1 stop
Air Canada Logo
7:30 am - 2:10 pmSTL-MAD
23h 40m2 stops
$804Air Canada
Find Deal
Thu, May 15 - Mon, May 19
KLM Logo
1:05 pm - 11:38 pmMAD-STL
17h 33m2 stops
KLM Logo
6:05 pm - 4:25 pmSTL-MAD
15h 20m2 stops
$817KLM
Find Deal
Thu, May 15 - Mon, May 19
United Airlines Logo
12:30 pm - 7:43 pmMAD-STL
14h 13m1 stop
United Airlines Logo
5:33 pm - 8:05 amSTL-MAD
31h 32m2 stops
$852United Airlines
Find Deal
Mon, May 12 - Sat, May 24
Delta Logo
6:00 am - 11:26 pmMAD-STL
24h 26m2 stops
Delta Logo
6:45 am - 9:35 amSTL-MAD
19h 50m2 stops
$863Delta
Find Deal
Sat, May 10 - Sun, May 25
Delta Logo
10:05 am - 8:39 pmMAD-STL
17h 34m1 stop
Delta Logo
10:45 am - 9:35 amSTL-MAD
15h 50m2 stops
$867Delta
Find Deal
Sat, May 10 - Sun, May 25
Air Canada Logo
12:30 pm - 7:43 pmMAD-STL
14h 13m1 stop
Air Canada Logo
7:30 am - 8:20 amSTL-MAD
17h 50m1 stop
$909Air Canada
Find Deal
Mon, May 12 - Sun, May 25
United Airlines Logo
12:30 pm - 7:43 pmMAD-STL
14h 13m1 stop
United Airlines Logo
7:30 am - 8:20 amSTL-MAD
17h 50m1 stop
$916United Airlines
Find Deal
Sat, May 10 - Sun, May 25
KLM Logo
10:05 am - 4:18 pmMAD-STL
13h 13m1 stop
KLM Logo
5:45 pm - 4:25 pmSTL-MAD
15h 40m2 stops
$1,130KLM
Find Deal
Sat, Aug 2 - Tue, Aug 5
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KAYAK's insights & trends for Madrid to St. Louis flights

Get data-powered insights and trends into flights from Madrid to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Madrid to St. Louis?

The average price of all round-trip flights from Madrid to St. Louis clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Madrid to St. Louis, look for departures on Thursdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from St. Louis, Tuesday is the cheapest day to fly and Monday is the most expensive.

Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$734
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from Madrid to St. Louis

When to book flights from Madrid to St. Louis

Are your dates flexible? Find out the best times to travel from Madrid to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Madrid to St. Louis

  • What is the cheapest flight from Madrid to St. Louis?

    In the last 3 days, the lowest price for a flight from Madrid to St. Louis was $754 for a one-way ticket and $734 for a round-trip.

  • Do I need a passport to fly between Madrid and St. Louis?

    Yes, you’ll need a passport to travel to St. Louis from Madrid.

  • Which airports will I be using when flying from Madrid to St. Louis?

    When flying out of Madrid you will be using Madrid Barajas. You will be landing at St. Louis, also known as Lambert-St Louis.

  • Which aircraft models fly most regularly from Madrid to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Madrid to St. Louis?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Madrid and St. Louis, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Madrid to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Madrid to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Madrid to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Madrid is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Madrid to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Madrid with another airline. Booking your flights between Madrid and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Madrid to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Madrid up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

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