MAD - STL

$354 Find Cheap Flights from Madrid to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Madrid to St. Louis departing on 11/19. 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
1 adult, Economy

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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Booking Insights
Flight Deals

Cheap Flights from Madrid to St. Louis (MAD-STL)

 
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.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Wed, Oct 15 - Wed, Oct 22
Iberia Logo
4:40 pm - 11:54 pmMAD-STL
14h 14m1 stop
Iberia Logo
12:21 pm - 9:05 amSTL-MAD
13h 44m1 stop
$708Iberia
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
1:00 pm - 6:46 pmMAD-STL
12h 46m1 stop
American Airlines Logo
2:15 pm - 1:25 pmSTL-MAD
16h 10m1 stop
$716American Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
British Airways Logo
6:45 am - 4:50 pmMAD-STL
17h 05m2 stops
British Airways Logo
4:49 pm - 4:55 pmSTL-MAD
17h 06m2 stops
$775British Airways
Find Deal
Mon, Dec 8 - Mon, Dec 15
United Airlines Logo
6:00 am - 9:40 pmMAD-STL
22h 40m2 stops
United Airlines Logo
11:25 am - 9:15 amSTL-MAD
14h 50m2 stops
$794United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
1:35 pm - 3:40 pmMAD-STL
33h 05m2 stops
United Airlines Logo
10:00 am - 9:15 amSTL-MAD
16h 15m2 stops
$808United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
6:20 am - 3:44 pmMAD-STL
16h 24m2 stops
Multiple Airlines Logo
12:25 pm - 8:05 amSTL-MAD
12h 40m2 stops
$818Multiple Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 19
Air Canada Logo
12:30 pm - 7:38 pmMAD-STL
14h 08m1 stop
Air Canada Logo
5:00 am - 6:40 amSTL-MAD
18h 40m2 stops
$835Air Canada
Find Deal
Fri, Oct 10 - Sun, Oct 19
Air Canada Logo
12:45 pm - 3:18 pmMAD-STL
33h 33m2 stops
Air Canada Logo
5:00 am - 6:40 amSTL-MAD
18h 40m2 stops
$888Air Canada
Find Deal
Wed, Dec 10 - Fri, Dec 12
Multiple Airlines Logo
11:30 am - 10:46 pmMAD-STL
18h 16m1 stop
Multiple Airlines Logo
9:45 am - 12:05 pmSTL-MAD
43h 20m2 stops
$958Multiple Airlines
Find Deal
Fri, Jan 2 - Tue, Jan 13
British Airways Logo
12:55 am - 5:10 pmMAD-STL
23h 15m1 stop
British Airways Logo
12:53 pm - 4:55 pmSTL-MAD
21h 02m2 stops
$1,461British Airways
Find Deal

Everything you should know

When to travel
May
Cheapest • 21% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$708
Overall average: $947
Iberia
Wed 10/15Wed 10/22
MAD - STL • 1 stop
Cheapest one-way
$354
Multiple Airlines
Wed 11/19
MAD - STL • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Booking Insights

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.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Madrid to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Madrid to St. Louis is May, where tickets cost $761 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is $1,212 and $1,160 respectively.

Good to know

Low seasonMarch
Cheapest flight$354
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 25% 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 $354 for a one-way ticket and $708 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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