$366 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 4/9. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$624
Typical prices: $689-$783
Finnair
Thu 2/26Mon 3/2
BCN - STL • 1 stop
Cheapest one-way
$366
Typical prices: $647-$824
Multiple Airlines
Thu 4/9
BCN - STL • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
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

Thu, Feb 26 - Mon, Mar 2
Finnair Logo
10:40 am - 7:29 pm
BCN
-
STL
15h 49m
1 stop
Finnair Logo
11:22 am - 7:05 am
STL
-
BCN
12h 43m
1 stop
$624Finnair
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
10:40 am - 7:29 pm
BCN
-
STL
15h 49m
1 stop
British Airways Logo
6:36 pm - 5:55 pm
STL
-
BCN
16h 19m
2 stops
$633British Airways
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
6:40 am - 6:07 pm
BCN
-
STL
18h 27m
2 stops
British Airways Logo
6:36 pm - 5:55 pm
STL
-
BCN
16h 19m
2 stops
$642British Airways
Thu, Feb 19 - Thu, Feb 26
Iberia Logo
10:40 am - 10:58 pm
BCN
-
STL
19h 18m
1 stop
Iberia Logo
2:19 pm - 11:45 am
STL
-
BCN
14h 26m
2 stops
$656Iberia
Mon, Feb 23 - Sat, Mar 7
American Airlines Logo
10:00 am - 11:56 pm
MAD
-
STL
20h 56m
1 stop
American Airlines Logo
11:50 am - 10:20 am
STL
-
MAD
15h 30m
1 stop
$672American Airlines
Sun, Feb 1 - Sat, Feb 7
Iberia Logo
10:40 am - 10:59 pm
BCN
-
STL
19h 19m
1 stop
Iberia Logo
11:55 am - 8:50 am
STL
-
BCN
13h 55m
1 stop
$674Iberia
Thu, Feb 19 - Mon, Feb 23
Iberia Logo
10:40 am - 10:58 pm
BCN
-
STL
19h 18m
1 stop
Iberia Logo
9:35 am - 8:50 am
STL
-
BCN
16h 15m
1 stop
$676Iberia
Sun, Feb 15 - Sat, Feb 21
American Airlines Logo
11:00 am - 11:56 pm
BCN
-
STL
19h 56m
1 stop
American Airlines Logo
7:00 am - 8:50 am
STL
-
BCN
18h 50m
1 stop
$683American Airlines
Tue, Feb 17 - Tue, Feb 24
United Airlines Logo
6:45 am - 10:14 pm
BIO
-
STL
22h 29m
2 stops
United Airlines Logo
8:41 am - 9:55 pm
STL
-
BIO
30h 14m
2 stops
$759United Airlines
Mon, Feb 23 - Sat, Mar 7
United Airlines Logo
8:25 am - 10:14 pm
MAD
-
STL
20h 49m
2 stops
United Airlines Logo
5:00 am - 1:00 pm
STL
-
MAD
25h 00m
2 stops
$788United 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.

How long is the flight to St. Louis?

The duration of your flight to St. Louis depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to St. Louis on KAYAK are from Barcelona, which takes 13h 45m, Madrid, which takes 14h 30m, and Málaga, which takes 28h 22m.

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

There are around 261 direct flights from within Spain to St. Louis every day. Most flights depart in the morning, with 7:00 am the most common departure time and 45% of flights departing in the morning.

Find deals

Good to know

Low seasonOctober
Cheapest flight$366
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Barcelona to St. Louis

FAQs - booking St. Louis flights

  • 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 1,824 direct flights from within Spain to St. Louis. The most common day for departures is Friday, with 16% 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)