BCN - STL

$377 Find Cheap Flights from Barcelona 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 Barcelona to St. Louis departing on 5/8. 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.
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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 Barcelona 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 Barcelona to St. Louis, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Barcelona to St. Louis

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

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Barcelona to St. Louis.
Discover the best prices for you by selecting your travel dates on KAYAK.
Air Canada Logo
1:15 pm - 7:40 pmBCN-STL
13h 25m1 stop
Air Canada Logo
4:15 pm - 2:05 pmSTL-BCN
14h 50m2 stops
$973Air Canada
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Sat, Aug 16 - Sat, Dec 13
Iberia Logo
10:45 am - 6:32 pmBCN-STL
14h 47m1 stop
Iberia Logo
1:22 pm - 10:30 amSTL-BCN
14h 08m1 stop
$975Iberia
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Fri, Jul 4 - Sat, Jul 12
Iberia Logo
10:45 am - 6:32 pmBCN-STL
14h 47m1 stop
Iberia Logo
1:22 pm - 10:30 amSTL-BCN
14h 08m1 stop
$976Iberia
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Fri, Jul 4 - Sat, Jul 12
Delta Logo
6:20 am - 8:30 pmBCN-STL
21h 10m2 stops
Delta Logo
3:42 pm - 3:40 pmSTL-BCN
16h 58m2 stops
$981Delta
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Fri, Jul 4 - Sat, Jul 12
Delta Logo
11:05 am - 11:26 pmBCN-STL
19h 21m2 stops
Delta Logo
2:15 pm - 11:15 amSTL-BCN
14h 00m2 stops
$983Delta
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Mon, Jun 2 - Wed, Jun 25
KLM Logo
6:20 am - 5:10 pmBCN-STL
17h 50m2 stops
KLM Logo
10:10 am - 9:20 amSTL-BCN
16h 10m1 stop
$985KLM
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Fri, Jul 4 - Sat, Jul 12
United Airlines Logo
6:00 am - 10:45 pmBCN-STL
23h 45m2 stops
United Airlines Logo
1:30 pm - 7:50 amSTL-BCN
11h 20m1 stop
$987United Airlines
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Mon, Jun 2 - Wed, Jun 25
Logo
4:00 pm - 5:03 amBCN-STL
20h 03m1 stop
Logo
1:30 pm - 7:50 amSTL-BCN
11h 20m1 stop
$992
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Mon, Jun 2 - Wed, Jun 25
United Airlines Logo
12:10 pm - 8:00 pmBCN-STL
14h 50m1 stop
United Airlines Logo
5:00 am - 2:05 pmSTL-BCN
26h 05m2 stops
$1,269United Airlines
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Thu, Aug 14 - Thu, Dec 18
Logo
2:50 pm - 12:36 pmBCN-STL
28h 46m2 stops
Logo
6:30 am - 10:35 amSTL-BCN
21h 05m3 stops
$1,530
Find Deal
Mon, Jun 2 - Wed, Jun 25
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KAYAK's insights & trends for Barcelona to St. Louis flights

Get data-powered insights and trends into flights from Barcelona 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 from Barcelona-El Prat Airport to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Barcelona-El Prat Airport 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 Barcelona-El Prat Airport to St. Louis is October, where tickets cost $693 (return) on average. On the other hand, the most expensive months are August and January, where the average cost of round-trip tickets is $1,171 and $1,148 respectively.

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Good to know

Low seasonFebruary
High seasonApril
Cheapest flight$377
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Barcelona to St. Louis

When to book flights from Barcelona to St. Louis

Are your dates flexible? Find out the best times to travel from Barcelona 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 Barcelona to St. Louis flights

  • What is the cheapest flight from Barcelona-El Prat Airport to St. Louis?

    In the last 3 days, the lowest price for a flight from Barcelona-El Prat Airport to St. Louis was $377 for a one-way ticket and $973 for a round-trip.

  • Do I need a passport to fly between Barcelona and St. Louis?

    A passport is required to fly from Barcelona to St. Louis.

  • Which aircraft models fly most regularly from Barcelona to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Barcelona to St. Louis?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Barcelona and St. Louis, with SkyTeam being the most commonly used for this route.

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Barcelona 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 Barcelona 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 Barcelona with another airline. Booking your flights between Barcelona 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 Barcelona 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 Barcelona 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 Barcelona to St. Louis

Information on your arrival and departure airports

St. Louis (STL)
Barcelona (BCN)

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