$396 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, Apr 5 - Sun, Apr 12
Lufthansa Logo
6:40 am - 1:25 pm
BCN
-
STL
13h 45m
1 stop
Lufthansa Logo
6:55 pm - 1:15 pm
STL
-
BCN
11h 20m
1 stop
$872Lufthansa
Thu, Apr 9 - Sun, Apr 19
Air Canada Logo
6:50 am - 3:25 pm
BIO
-
STL
39h 35m
2 stops
Air Canada Logo
4:05 pm - 11:10 am
STL
-
BIO
36h 05m
2 stops
$887Air Canada
Wed, Apr 8 - Sun, Apr 12
Lufthansa Logo
6:50 am - 1:25 pm
BIO
-
STL
13h 35m
1 stop
Lufthansa Logo
6:55 pm - 11:25 pm
STL
-
BIO
21h 30m
2 stops
$890Lufthansa
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
6:50 am - 1:25 pm
BIO
-
STL
13h 35m
1 stop
United Airlines Logo
8:15 pm - 11:25 pm
STL
-
BIO
20h 10m
2 stops
$891United Airlines
Fri, Apr 10 - Tue, Apr 14
United Airlines Logo
6:40 am - 1:25 pm
BCN
-
STL
13h 45m
1 stop
United Airlines Logo
6:15 am - 9:00 am
STL
-
BCN
19h 45m
1 stop
$895United Airlines
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
11:55 pm - 2:24 pm
AGP
-
STL
21h 29m
2 stops
Multiple Airlines Logo
1:02 pm - 11:45 am
STL
-
AGP
15h 43m
2 stops
$898Multiple Airlines
Fri, Apr 10 - Tue, Apr 14
Delta Logo
9:20 am - 11:25 pm
BCN
-
STL
21h 05m
2 stops
Delta Logo
5:59 pm - 2:50 pm
STL
-
BCN
13h 51m
2 stops
$906Delta
Thu, Jun 4 - Wed, Jun 10
Delta Logo
6:00 am - 4:10 pm
MAD
-
STL
17h 10m
2 stops
Delta Logo
4:13 pm - 3:35 pm
STL
-
MAD
16h 22m
2 stops
$907Delta
Thu, Apr 23 - Thu, Apr 30
British Airways Logo
12:50 pm - 7:29 pm
BCN
-
STL
13h 39m
1 stop
British Airways Logo
8:54 am - 10:35 am
STL
-
BCN
18h 41m
1 stop
$907British Airways
Fri, May 8 - Fri, May 22
Multiple Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
Multiple Airlines Logo
7:05 am - 11:10 am
STL
-
BIO
21h 05m
2 stops
$912Multiple Airlines
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 $872 return. The most popular connection is from New York to St. Louis and KAYAK users have found round-trip deals for as low as $291 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 April, where tickets cost $714 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 April with an average price of $714.

Find deals

Good to know

Low seasonMarch
Cheapest flight$396
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 18% 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 $872 return. The most popular connection is from New York to St. Louis and KAYAK users have found round-trip deals for as low as $291 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 2,136 direct flights from within Spain to St. Louis. The most common day for departures is Sunday, with 17% 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)