$394 Find Cheap Flights from Spain 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 to St. Louis departing on 4/20. 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, 0 bags

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 for flights 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 for flights to St. Louis, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Spain to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Spain 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 Spain to St. Louis

Sun, May 24 - Sat, Jun 6
Lufthansa Logo
5:55 am - 1:25 pm
MAD
-
STL
14h 30m
1 stop
Lufthansa Logo
8:35 am - 8:05 am
STL
-
MAD
16h 30m
1 stop
$888Lufthansa
Wed, Apr 22 - Tue, Apr 28
Lufthansa Logo
1:50 pm - 11:11 pm
BCN
-
STL
16h 21m
2 stops
Lufthansa Logo
6:55 pm - 1:15 pm
STL
-
BCN
11h 20m
1 stop
$889Lufthansa
Wed, Apr 22 - Sun, Apr 26
Multiple Airlines Logo
6:50 am - 3:25 pm
BIO
-
STL
15h 35m
2 stops
Multiple Airlines Logo
11:37 am - 1:20 pm
STL
-
BIO
18h 43m
2 stops
$909Multiple Airlines
Fri, May 1 - Tue, May 5
Air Canada Logo
12:15 pm - 8:25 pm
BCN
-
STL
15h 10m
1 stop
Air Canada Logo
1:05 pm - 8:00 am
STL
-
BCN
11h 55m
1 stop
$914Air Canada
Fri, Apr 24 - Fri, May 1
United Airlines Logo
6:40 am - 1:25 pm
BCN
-
STL
13h 45m
1 stop
United Airlines Logo
7:09 pm - 1:15 pm
STL
-
BCN
11h 06m
1 stop
$915United Airlines
Wed, Apr 22 - Tue, Apr 28
Air Canada Logo
6:40 am - 3:25 pm
BCN
-
STL
15h 45m
2 stops
Air Canada Logo
4:05 pm - 2:55 pm
STL
-
BCN
15h 50m
2 stops
$916Air Canada
Sun, May 3 - Sat, May 9
United Airlines Logo
5:55 am - 1:25 pm
MAD
-
STL
14h 30m
1 stop
United Airlines Logo
8:45 am - 8:05 am
STL
-
MAD
16h 20m
1 stop
$916United Airlines
Wed, Apr 22 - Sun, Apr 26
Delta Logo
5:25 pm - 4:42 pm
AGP
-
STL
30h 17m
2 stops
Delta Logo
5:59 pm - 6:40 pm
STL
-
AGP
17h 41m
2 stops
$917Delta
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
5:25 pm - 2:29 pm
AGP
-
STL
28h 04m
2 stops
Multiple Airlines Logo
1:02 pm - 11:45 am
STL
-
AGP
15h 43m
2 stops
$921Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Delta Logo
6:20 am - 8:44 pm
BCN
-
STL
21h 24m
2 stops
Delta Logo
5:59 pm - 3:35 pm
STL
-
BCN
14h 36m
2 stops
$926Delta
Booking Insights

KAYAK's insights & trends for flights to St. Louis

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

What is the cheapest flight to St. Louis?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to St. Louis was found on the route from Madrid, at $888 return. The most popular connection is from New York to St. Louis and KAYAK users have found round-trip deals for as low as $294 in the last 3 days.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights 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 to St. Louis is May, where tickets cost $775 on average for return flights. On the other hand, the most expensive months are December and October, where the average cost of tickets from Spain is $1,483 and $1,180 respectively. For one-way flights, the best month to travel is May with an average price of $775.

Find deals

Good to know

Low seasonMarch
Cheapest flight$394
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Madrid to St. Louis

FAQs - booking St. Louis flights

  • What is the cheapest flight to St. Louis?

    In the last 3 days, the cheapest flight deal to St. Louis was found on the route from Madrid, at $888 return. The most popular connection is from New York to St. Louis and KAYAK users have found round-trip deals for as low as $294 in the last 3 days.

  • How far is Lambert-St Louis Airport from central St. Louis?

    There are 13 miles between St. Louis city center and Lambert-St Louis Airport.

  • What is the name of St. Louis’s airport?

    There is only 1 airport in St. Louis, called Lambert-St Louis Airport (STL). It can also be referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl.

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

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

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

  • What is the Hacker Fare option on flights 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to St. Louis are there each week?

    Each week there are around 1,497 direct flights from within Spain to St. Louis. The most common day for departures is Sunday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to St. Louis

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Louis flight deals.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

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

Information on the airport you'll fly into in St. Louis

St. Louis (STL)