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Cheap flights from Brussels Bruxelles-National Airport to St. Louis from $363

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to St. Louis departing on 5/17. 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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0 bags

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Find the cheapest flights from Brussels Bruxelles-National Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:10 am - 11:57 pm
BRU
-
STL
19h 47m
1 stop
Lufthansa Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$679Lufthansa
Sat, Apr 18 - Wed, May 6
United Airlines Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
United Airlines Logo
6:15 am - 7:45 am
STL
-
BRU
18h 30m
1 stop
$680United Airlines
Fri, Apr 17 - Tue, Apr 21
Multiple Airlines Logo
8:30 am - 6:11 pm
BRU
-
STL
16h 41m
2 stops
Multiple Airlines Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$681Multiple Airlines
Sat, Apr 18 - Sat, May 2
Air Canada Logo
7:00 am - 3:25 pm
BRU
-
STL
15h 25m
2 stops
Air Canada Logo
9:10 am - 7:10 am
STL
-
BRU
15h 00m
2 stops
$682Air Canada
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
8:30 am - 1:25 pm
BRU
-
STL
11h 55m
1 stop
United Airlines Logo
6:15 am - 7:10 am
STL
-
BRU
17h 55m
2 stops
$683United Airlines
Fri, Apr 17 - Tue, Apr 21
Lufthansa Logo
8:30 am - 1:25 pm
BRU
-
STL
11h 55m
1 stop
Lufthansa Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$687Lufthansa
Fri, Apr 17 - Tue, Apr 21
Multiple Airlines Logo
8:30 am - 6:11 pm
BRU
-
STL
16h 41m
2 stops
Multiple Airlines Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$688Multiple Airlines
Sat, Apr 18 - Sat, May 2
United Airlines Logo
10:30 am - 6:11 pm
BRU
-
STL
14h 41m
2 stops
United Airlines Logo
8:30 am - 7:10 am
STL
-
BRU
15h 40m
2 stops
$689United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
United Airlines Logo
9:10 am - 9:00 am
STL
-
BRU
16h 50m
1 stop
$690United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
8:30 am - 1:25 pm
BRU
-
STL
11h 55m
1 stop
United Airlines Logo
10:25 am - 7:15 am
STL
-
BRU
13h 50m
2 stops
$691United Airlines
Sun, Apr 19 - Tue, May 5

United Airlines flights from Brussels Bruxelles-National Airport to St. Louis

Our best United Airlines deals on Brussels Bruxelles-National Airport to St. Louis flight tickets
United Airlines
Apr 17
BRU7:00 amBrussels Bruxelles-National
13h 25m
1 stop
STL1:25 pmLambert-St Louis
Apr 21
STL6:15 amLambert-St Louis
18h 30m
1 stop
BRU7:45 amBrussels Bruxelles-National
$680
United Airlines
Apr 17
BRU8:30 amBrussels Bruxelles-National
11h 55m
1 stop
STL1:25 pmLambert-St Louis
Apr 21
STL6:15 amLambert-St Louis
17h 55m
2 stops
BRU7:10 amBrussels Bruxelles-National
$683
United Airlines
Apr 17
BRU10:30 amBrussels Bruxelles-National
14h 41m
2 stops
STL6:11 pmLambert-St Louis
Apr 21
STL8:30 amLambert-St Louis
15h 40m
2 stops
BRU7:10 amBrussels Bruxelles-National
$689

Lufthansa flights from Brussels Bruxelles-National Airport to St. Louis

Our best Lufthansa deals on Brussels Bruxelles-National Airport to St. Louis flight tickets
Lufthansa
Apr 18
BRU11:10 amBrussels Bruxelles-National
19h 47m
1 stop
STL11:57 pmLambert-St Louis
May 6
STL12:15 pmLambert-St Louis
12h 00m
1 stop
BRU7:15 amBrussels Bruxelles-National
$679
Lufthansa
Apr 15
BRU7:00 amBrussels Bruxelles-National
13h 25m
1 stop
STL1:25 pmLambert-St Louis
Apr 22
STL12:15 pmLambert-St Louis
12h 00m
1 stop
BRU7:15 amBrussels Bruxelles-National
$730
Lufthansa
Mar 7
BRU10:10 amBrussels Bruxelles-National
18h 31m
1 stop
STL9:41 pmLambert-St Louis
Mar 20
STL11:28 amLambert-St Louis
14h 37m
1 stop
BRU8:05 amBrussels Bruxelles-National
$841

momondo Fare Finder

 
Customize your flight search to find flights from Brussels Bruxelles-National 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 4, 2026.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 4/18

11:10 am-11:57 pm

1 stop19h 47m

Lambert-St Louis

Wed 5/6

12:15 pm-7:15 am

1 stop12h 00m

$679

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 4/17

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 4/21

6:15 am-7:45 am

1 stop18h 30m

$680

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 4/18

8:30 am-6:11 pm

2 stops16h 41m

Lambert-St Louis

Sat 5/2

12:15 pm-7:15 am

1 stop12h 00m

$681

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 4/17

7:00 am-3:25 pm

2 stops15h 25m

Lambert-St Louis

Tue 4/21

9:10 am-7:10 am

2 stops15h 00m

$682

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 4/17

8:30 am-1:25 pm

1 stop11h 55m

Lambert-St Louis

Tue 4/21

6:15 am-7:10 am

2 stops17h 55m

$683

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 4/17

8:30 am-1:25 pm

1 stop11h 55m

Lambert-St Louis

Tue 4/21

12:15 pm-7:15 am

1 stop12h 00m

$687

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 4/18

8:30 am-6:11 pm

2 stops16h 41m

Lambert-St Louis

Sat 5/2

12:15 pm-7:15 am

1 stop12h 00m

$688

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 4/17

10:30 am-6:11 pm

2 stops14h 41m

Lambert-St Louis

Tue 4/21

8:30 am-7:10 am

2 stops15h 40m

$689

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 4/17

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 4/21

9:10 am-9:00 am

1 stop16h 50m

$690

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 4/19

8:30 am-1:25 pm

1 stop11h 55m

Lambert-St Louis

Tue 5/5

10:25 am-7:15 am

2 stops13h 50m

$691

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Brussels Bruxelles-National 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 Brussels Bruxelles-National Airport and St. Louis?

Can stopping save me money on Brussels Bruxelles-National Airport to St. Louis flights?

You could potentially save up to 75% on your flight if you consider stops on a Brussels Bruxelles-National Airport to St. Louis flight.

When to book flights from Brussels Bruxelles-National Airport to St. Louis

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

Cheap Brussels Bruxelles-National Airport to St. Louis (BRU to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to St. Louis

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Brussels Bruxelles-National Airport to St. Louis takes 11h 55m
There are no direct flights from Brussels Bruxelles-National Airport to St. Louis. There are no popular flight routes from Brussels Bruxelles-National Airport to St. Louis.
Search flight deals

  • How far is Brussels Bruxelles-National to Lambert-St Louis by plane?

    Brussels Bruxelles-National and Lambert-St Louis are 4393.0 mi apart from one another. Flights usually cover this in 11h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport?

    Prices for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Brussels Bruxelles-National Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Brussels Bruxelles-National Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Brussels Bruxelles-National Airport to St. Louis?

Best airlines flying from Brussels Bruxelles-National Airport to St. Louis

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $652Free CancellationRating
7.4
9,382 reviews
Search United Airlines flights

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
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

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

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