$382 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 10/6. 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 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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Flights 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

Wed, Nov 12 - Mon, Nov 17
Scandinavian Airlines Logo
7:10 pm - 11:39 pmBCN-STL
35h 29m2 stops
Scandinavian Airlines Logo
1:30 pm - 6:20 pmSTL-BCN
21h 50m2 stops
$717Scandinavian Airlines
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Wed, Nov 12 - Mon, Nov 17
Scandinavian Airlines Logo
7:10 pm - 11:39 pmBCN-STL
35h 29m2 stops
Scandinavian Airlines Logo
1:30 pm - 6:20 pmSTL-BCN
21h 50m2 stops
$753Scandinavian Airlines
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Wed, Nov 12 - Mon, Nov 17
British Airways Logo
1:30 pm - 8:16 pmBCN-STL
13h 46m1 stop
British Airways Logo
6:29 pm - 5:55 pmSTL-BCN
16h 26m2 stops
$791British Airways
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Wed, Nov 12 - Mon, Nov 17
British Airways Logo
1:30 pm - 8:16 pmBCN-STL
13h 46m1 stop
British Airways Logo
4:39 pm - 4:05 pmSTL-BCN
16h 26m2 stops
$792British Airways
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Wed, Nov 12 - Mon, Nov 17
Logo
11:00 am - 11:37 pmBCN-STL
19h 37m2 stops
Logo
2:40 pm - 1:20 pmSTL-BCN
15h 40m2 stops
$803
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Wed, Nov 12 - Mon, Nov 17
Logo
1:30 pm - 8:16 pmBCN-STL
13h 46m1 stop
Logo
6:43 am - 9:00 amSTL-BCN
19h 17m1 stop
$806
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Thu, Nov 6 - Mon, Nov 10
United Airlines Logo
6:30 am - 3:29 pmBIO-STL
39h 59m2 stops
United Airlines Logo
1:00 pm - 12:05 pmSTL-BIO
16h 05m2 stops
$814United Airlines
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Thu, Nov 6 - Mon, Nov 10
United Airlines Logo
6:30 am - 3:29 pmBIO-STL
39h 59m2 stops
United Airlines Logo
1:00 pm - 12:05 pmSTL-BIO
16h 05m2 stops
$815United Airlines
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Thu, Aug 28 - Mon, Sep 1
American Airlines Logo
2:00 pm - 11:51 pmBCN-STL
16h 51m2 stops
American Airlines Logo
10:10 am - 6:45 amSTL-BCN
13h 35m2 stops
$817American Airlines
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Wed, Dec 3 - Mon, Dec 8
American Airlines Logo
12:55 am - 9:56 amMAD-STL
16h 01m1 stop
American Airlines Logo
9:25 am - 5:45 amSTL-MAD
13h 20m1 stop
$964American Airlines
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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 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 October, where tickets cost $693 on average for return flights. On the other hand, the most expensive months are August and January, where the average cost of tickets from Spain is $1,156 and $1,148 respectively. For one-way flights, the best month to travel is May with an average price of $779.

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Good to know

Low seasonSeptember
High seasonAugust
Cheapest flight$382
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 26% 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.

  • What is the cheapest day to fly to St. Louis?

    Based on KAYAK data, the cheapest day to fly to St. Louis is Tuesday where round-trip tickets can be as cheap as $809. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,070 on average.

  • 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.

  • What is the cheapest time of day to fly to St. Louis?

    The cheapest time of day to fly to St. Louis is generally in the morning, when round-trip flights cost $973 on average. The most expensive time of day to fly to St. Louis is generally in the morning, which is peak travel time and where the average cost of a ticket is $973.

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

    Each week there are around 2,368 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.

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)

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