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Cheap flights from Barcelona-El Prat Airport to St. Louis from $563

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to St. Louis departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Barcelona-El Prat Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
Fri, Apr 10 - Tue, Apr 14
United Airlines Logo
6:40 am - 1:25 pm
BCN
-
STL
13h 45m
1 stop
United Airlines Logo
1:18 pm - 1:15 pm
STL
-
BCN
16h 57m
1 stop
$896United Airlines
Wed, Sep 2 - Sun, Sep 6
Lufthansa Logo
6:40 am - 1:25 pm
BCN
-
STL
13h 45m
1 stop
Lufthansa Logo
11:37 am - 11:05 am
STL
-
BCN
16h 28m
2 stops
$899Lufthansa
Fri, Apr 10 - Tue, Apr 14
United Airlines Logo
8:00 am - 7:31 pm
BCN
-
STL
18h 31m
2 stops
United Airlines Logo
9:14 am - 8:20 am
STL
-
BCN
16h 06m
2 stops
$901United Airlines
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
6:40 am - 1:25 pm
BCN
-
STL
13h 45m
1 stop
United Airlines Logo
1:18 pm - 9:20 am
STL
-
BCN
13h 02m
2 stops
$903United Airlines
Wed, Sep 2 - Sun, Sep 6
Lufthansa Logo
6:40 am - 3:48 pm
BCN
-
STL
16h 08m
2 stops
Lufthansa Logo
12:15 pm - 12:40 pm
STL
-
BCN
17h 25m
2 stops
$905Lufthansa
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
Fri, Apr 10 - Tue, Apr 14
Multiple Airlines Logo
6:20 am - 4:50 pm
BCN
-
STL
17h 30m
2 stops
Multiple Airlines Logo
11:42 am - 9:00 am
STL
-
BCN
14h 18m
2 stops
$907Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
11:00 am - 7:11 pm
BCN
-
STL
15h 11m
1 stop
Multiple Airlines Logo
5:59 pm - 2:50 pm
STL
-
BCN
13h 51m
2 stops
$909Multiple Airlines
Sat, Apr 25 - Sat, May 2
Delta Logo
11:10 am - 11:25 pm
BCN
-
STL
19h 15m
2 stops
Delta Logo
11:42 am - 12:50 pm
STL
-
BCN
18h 08m
1 stop
$911Delta
Thu, Apr 9 - Mon, Apr 13

Lufthansa flights from Barcelona-El Prat Airport to St. Louis

Our best Lufthansa deals on Barcelona-El Prat Airport to St. Louis flight tickets
Lufthansa
Apr 5
BCN6:40 amBarcelona-El Prat
13h 45m
1 stop
STL1:25 pmLambert-St Louis
Apr 12
STL6:55 pmLambert-St Louis
11h 20m
1 stop
BCN1:15 pmBarcelona-El Prat
$872
Lufthansa
Apr 10
BCN6:40 amBarcelona-El Prat
13h 45m
1 stop
STL1:25 pmLambert-St Louis
Apr 14
STL11:37 amLambert-St Louis
16h 28m
2 stops
BCN11:05 amBarcelona-El Prat
$899
Lufthansa
Apr 10
BCN6:40 amBarcelona-El Prat
16h 08m
2 stops
STL3:48 pmLambert-St Louis
Apr 14
STL12:15 pmLambert-St Louis
17h 25m
2 stops
BCN12:40 pmBarcelona-El Prat
$905

Air Canada flights from Barcelona-El Prat Airport to St. Louis

Our best Air Canada deals on Barcelona-El Prat Airport to St. Louis flight tickets
Air Canada
Sep 2
BCN12:15 pmBarcelona-El Prat
16h 07m
2 stops
STL9:22 pmLambert-St Louis
Sep 6
STL1:18 pmLambert-St Louis
13h 02m
2 stops
BCN9:20 amBarcelona-El Prat
$923
Air Canada
Apr 10
BCN1:15 pmBarcelona-El Prat
33h 10m
1 stop
STL3:25 pmLambert-St Louis
Apr 14
STL4:05 pmLambert-St Louis
15h 50m
2 stops
BCN2:55 pmBarcelona-El Prat
$926
Air Canada
Sep 2
BCN12:15 pmBarcelona-El Prat
14h 52m
2 stops
STL8:07 pmLambert-St Louis
Sep 6
STL8:55 amLambert-St Louis
16h 05m
2 stops
BCN8:00 amBarcelona-El Prat
$988

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 4/10

6:40 am-1:25 pm

1 stop13h 45m

Lambert-St Louis

Tue 4/14

6:15 am-9:00 am

1 stop19h 45m

$895

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Wed 9/2

6:40 am-1:25 pm

1 stop13h 45m

Lambert-St Louis

Sun 9/6

1:18 pm-1:15 pm

1 stop16h 57m

$896

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 4/10

6:40 am-1:25 pm

1 stop13h 45m

Lambert-St Louis

Tue 4/14

11:37 am-11:05 am

2 stops16h 28m

$899

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 4/23

8:00 am-7:31 pm

2 stops18h 31m

Lambert-St Louis

Thu 4/30

9:14 am-8:20 am

2 stops16h 06m

$901
Quickest round-trip

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Wed 9/2

6:40 am-1:25 pm

1 stop13h 45m

Lambert-St Louis

Sun 9/6

1:18 pm-9:20 am

2 stops13h 02m

$903

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 4/10

6:40 am-3:48 pm

2 stops16h 08m

Lambert-St Louis

Tue 4/14

12:15 pm-12:40 pm

2 stops17h 25m

$905

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 4/10

9:20 am-11:25 pm

2 stops21h 05m

Lambert-St Louis

Tue 4/14

5:59 pm-2:50 pm

2 stops13h 51m

$906

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 4/25

6:20 am-4:50 pm

2 stops17h 30m

Lambert-St Louis

Sat 5/2

11:42 am-9:00 am

2 stops14h 18m

$907

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 4/25

11:00 am-7:11 pm

1 stop15h 11m

Lambert-St Louis

Sat 5/2

5:59 pm-2:50 pm

2 stops13h 51m

$909

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 4/9

11:10 am-11:25 pm

2 stops19h 15m

Lambert-St Louis

Mon 4/13

11:42 am-12:50 pm

1 stop18h 08m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Barcelona-El Prat Airport and St. Louis?

Can stopping save me money on Barcelona-El Prat Airport to St. Louis flights?

You could potentially save up to 15% on your flight if you consider stops on a Barcelona-El Prat Airport to St. Louis flight.

How have Barcelona-El Prat Airport to St. Louis flight prices changed over time?

When to book flights from Barcelona-El Prat Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Barcelona-El Prat Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Barcelona-El Prat Airport to St. Louis (BCN to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to St. Louis

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Barcelona-El Prat Airport to St. Louis takes 13h 45m
There are no direct flights from Barcelona-El Prat Airport to St. Louis. There are no popular flight routes from Barcelona-El Prat Airport to St. Louis.
Search flight deals

  • How far is Barcelona-El Prat to Lambert-St Louis by plane?

    The distance between Barcelona-El Prat and Lambert-St Louis is about 4635.1 mi. In terms of flight time, this usually takes a little over 13h 45m.

  • When did momondo last update prices for flights from Barcelona-El Prat Airport to Lambert-St Louis Airport?

    Prices for flights from Barcelona-El Prat Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Barcelona-El Prat Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Barcelona-El Prat Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Edwardsville
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to St. Louis?

It is quick and easy to find Barcelona to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Barcelona to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Barcelona with this policy.

How can momondo help me find flights from Barcelona to St. Louis?

momondo helps you find the best flight between Barcelona and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Barcelona to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Barcelona and alert you when they change.

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