BCN - STL

$408 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 9/3. 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 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% 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.

Flights Deals
Booking Insights
Flights Deals

Cheap Flights from Barcelona to St. Louis (BCN-STL)

 
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.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
6:50 am - 8:46 pmBCN-STL
20h 56m2 stops
United Airlines Logo
5:30 pm - 7:50 amSTL-BCN
31h 20m2 stops
$770United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
British Airways Logo
10:45 am - 1:12 pmBCN-STL
33h 27m1 stop
British Airways Logo
7:59 pm - 5:40 pmSTL-BCN
14h 41m2 stops
$777British Airways
Find Deal
Thu, Aug 28 - Mon, Sep 1
American Airlines Logo
10:45 am - 8:18 pmBCN-STL
16h 33m1 stop
American Airlines Logo
1:42 pm - 10:30 amSTL-BCN
13h 48m1 stop
$789American Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Logo
11:00 am - 10:32 pmBCN-STL
18h 32m1 stop
Logo
5:21 am - 7:05 amSTL-BCN
18h 44m1 stop
$793
Find Deal
Wed, Nov 12 - Mon, Nov 17
Logo
11:00 am - 10:32 pmBCN-STL
18h 32m1 stop
Logo
6:00 am - 9:00 amSTL-BCN
20h 00m1 stop
$799
Find Deal
Sun, Sep 14 - Sat, Sep 20
Air Canada Logo
6:50 am - 7:38 pmBCN-STL
19h 48m2 stops
Air Canada Logo
1:30 pm - 11:55 amSTL-BCN
15h 25m2 stops
$813Air Canada
Find Deal
Sun, Sep 14 - Sun, Sep 21
Delta Logo
9:30 am - 11:09 pmBCN-STL
20h 39m2 stops
Delta Logo
6:00 pm - 5:10 pmSTL-BCN
16h 10m2 stops
$819Delta
Find Deal
Thu, Aug 28 - Mon, Sep 1
Air Canada Logo
12:10 pm - 3:21 pmBCN-STL
34h 11m2 stops
Air Canada Logo
4:00 pm - 7:50 amSTL-BCN
32h 50m2 stops
$831Air Canada
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
1:30 pm - 11:59 pmBCN-STL
17h 29m1 stop
American Airlines Logo
7:16 am - 10:10 amSTL-BCN
19h 54m1 stop
$843American Airlines
Find Deal
Sat, Aug 23 - Sun, Dec 14
Delta Logo
6:20 am - 9:55 pmBCN-STL
22h 35m2 stops
Delta Logo
4:27 pm - 2:00 pmSTL-BCN
14h 33m2 stops
$991Delta
Find Deal
Booking Insights

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.

How much is a round-trip flight from Barcelona-El Prat Airport to St. Louis?

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 January and August, where the average cost of round-trip tickets is $1,148 and $1,141 respectively.

Find deals

Good to know

Low seasonFebruary
Cheapest flight$408
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 13% 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 $408 for a one-way ticket and $770 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?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Barcelona and St. Louis, with oneworld 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

Barcelona (BCN)
St. Louis (STL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.