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Cheap flights from Barcelona-El Prat Airport to St. Louis from $332

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 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Barcelona-El Prat Airport to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Barcelona-El Prat Airport to St. Louis.
Iberia Logo
10:45 am - 11:51 pmBCN-STL
20h 06m1 stop
Iberia Logo
9:29 am - 10:10 amSTL-BCN
17h 41m1 stop
$641Iberia
Find Deal
lun., may. 12 - lun., may. 19
 Logo
6:30 pm - 8:40 amBCN-STL
21h 10m1 stop
 Logo
2:20 pm - 12:15 pmSTL-BCN
14h 55m1 stop
lun., may. 12 - lun., may. 19
Air Canada Logo
12:15 pm - 12:36 pmBCN-STL
31h 21m2 stops
Air Canada Logo
7:30 am - 7:50 amSTL-BCN
17h 20m2 stops
$728Air Canada
Find Deal
lun., may. 12 - lun., may. 19
United Airlines Logo
6:00 am - 3:47 pmBCN-STL
16h 47m2 stops
United Airlines Logo
7:30 am - 9:20 amSTL-BCN
18h 50m1 stop
$785United Airlines
Find Deal
mar., abr. 22 - mar., may. 20
United Airlines Logo
3:15 pm - 12:20 pmBCN-STL
28h 05m1 stop
United Airlines Logo
7:30 am - 9:20 amSTL-BCN
18h 50m1 stop
$786United Airlines
Find Deal
mar., abr. 22 - mar., may. 20
Air Canada Logo
12:15 pm - 7:58 pmBCN-STL
14h 43m1 stop
Air Canada Logo
7:30 am - 7:50 amSTL-BCN
41h 20m2 stops
$889Air Canada
Find Deal
vie., may. 16 - vie., may. 23
British Airways Logo
10:45 am - 6:33 pmBCN-STL
14h 48m1 stop
British Airways Logo
7:30 pm - 10:30 amSTL-BCN
32h 00m1 stop
$1,034British Airways
Find Deal
vie., may. 16 - vie., may. 23
American Airlines Logo
9:15 am - 8:23 pmBCN-STL
18h 08m2 stops
American Airlines Logo
6:47 am - 6:45 amSTL-BCN
16h 58m1 stop
$2,432American Airlines
Find Deal
mié., ago. 13 - mié., ago. 27
British Airways Logo
2:00 pm - 8:13 pmBCN-STL
13h 13m1 stop
British Airways Logo
1:22 pm - 12:05 pmSTL-BCN
15h 43m2 stops
$2,470British Airways
Find Deal
mar., ago. 12 - mié., ago. 27
American Airlines Logo
10:45 am - 7:08 pmBCN-STL
15h 23m1 stop
American Airlines Logo
6:00 am - 10:30 amSTL-BCN
21h 30m1 stop
$2,579American Airlines
Find Deal
dom., ago. 10 - mar., ago. 26

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

Our best Iberia deals on Barcelona-El Prat Airport to St. Louis flight tickets
Iberia
May 12
BCN10:45 amBarcelona-El Prat
20h 06m
1 stop
STL11:51 pmLambert-St Louis
May 19
STL9:29 amLambert-St Louis
17h 41m
1 stop
BCN10:10 amBarcelona-El Prat
Iberia
May 12
BCN2:50 pmBarcelona-El Prat
24h 50m
2 stops
STL8:40 amLambert-St Louis
May 19
STL9:29 amLambert-St Louis
17h 41m
1 stop
BCN10:10 amBarcelona-El Prat
Iberia
Aug 12
BCN2:00 pmBarcelona-El Prat
13h 13m
1 stop
STL8:13 pmLambert-St Louis
Sep 1
STL1:22 pmLambert-St Louis
16h 23m
2 stops
BCN12:45 pmBarcelona-El Prat

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
May 12
BCN12:15 pmBarcelona-El Prat
31h 21m
2 stops
STL12:36 pmLambert-St Louis
May 19
STL7:30 amLambert-St Louis
17h 20m
2 stops
BCN7:50 amBarcelona-El Prat
Air Canada
May 16
BCN12:15 pmBarcelona-El Prat
14h 43m
1 stop
STL7:58 pmLambert-St Louis
May 23
STL7:30 amLambert-St Louis
41h 20m
2 stops
BCN7:50 amBarcelona-El Prat
Air Canada
Aug 13
BCN12:10 pmBarcelona-El Prat
14h 50m
1 stop
STL8:00 pmLambert-St Louis
Aug 29
STL1:30 pmLambert-St Louis
11h 20m
1 stop
BCN7:50 amBarcelona-El Prat

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?

What is the cheapest month to fly to St. Louis?

In general, October is the cheapest month to fly from Barcelona-El Prat Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $693. The month of March is another great option to travel to St. Louis, with average flight prices from Barcelona-El Prat Airport averaging around $720.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $973. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $973. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Barcelona-El Prat Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $973 when looking at flights departing in the morning. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $973 per ticket.

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

As of April 2025, prices for Barcelona-El Prat Airport to St. Louis flights are approximately 15% cheaper when compared to flights at the same time last year.

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

Best Price Found

$332

Fastest flight time

13h 13m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Barcelona-El Prat Airport in the past 72 hours is $332. The best round-trip flight deal from Barcelona-El Prat Airport to St. Louis found on momondo in the last 72 hours is $641.
The fastest flight from Barcelona-El Prat Airport to St. Louis takes 13h 13m
There are no direct flights from Barcelona-El Prat Airport to St. Louis. Popular non-direct route for this connection is Barcelona-El Prat Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 13m.

  • 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
Florissant
Fairview Heights
Maryland Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Festus
Edwardsville
Clayton
Grafton
Litchfield

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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