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Cheap flights from Brussels Bruxelles-National Airport to St. Louis from $455

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 6/11. 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 Brussels Bruxelles-National Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
Lufthansa Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$741Lufthansa
Fri, May 1 - Tue, May 5
Lufthansa Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
Lufthansa Logo
7:09 pm - 5:30 pm
STL
-
BRU
15h 21m
2 stops
$764Lufthansa
Fri, May 1 - Tue, May 5
Lufthansa Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
Lufthansa Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$775Lufthansa
Fri, May 1 - Tue, May 5
Lufthansa Logo
2:25 pm - 10:50 pm
BRU
-
STL
15h 25m
2 stops
Lufthansa Logo
7:09 pm - 5:30 pm
STL
-
BRU
15h 21m
2 stops
$786Lufthansa
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
Multiple Airlines Logo
1:05 pm - 1:15 pm
STL
-
BRU
17h 10m
2 stops
$789Multiple Airlines
Fri, May 1 - Tue, May 5
Lufthansa Logo
7:00 am - 1:25 pm
BRU
-
STL
13h 25m
1 stop
Lufthansa Logo
12:15 pm - 7:15 am
STL
-
BRU
12h 00m
1 stop
$790Lufthansa
Fri, May 1 - Tue, May 5
Air Canada Logo
8:30 am - 8:25 pm
BRU
-
STL
18h 55m
2 stops
Air Canada Logo
1:05 pm - 7:10 am
STL
-
BRU
11h 05m
1 stop
$792Air Canada
Mon, Jun 8 - Sun, Jun 14
Lufthansa Logo
10:15 am - 3:46 pm
BRU
-
STL
12h 31m
1 stop
Lufthansa Logo
8:35 am - 7:15 am
STL
-
BRU
15h 40m
1 stop
$793Lufthansa
Sun, May 31 - Sun, Jun 7
Air Canada Logo
9:40 am - 8:09 pm
BRU
-
STL
17h 29m
2 stops
Air Canada Logo
1:05 pm - 1:15 pm
STL
-
BRU
17h 10m
2 stops
$796Air Canada
Fri, May 1 - Tue, May 5
Air Canada Logo
9:40 am - 8:25 pm
BRU
-
STL
17h 45m
2 stops
Air Canada Logo
1:05 pm - 8:00 pm
STL
-
BRU
23h 55m
2 stops
$797Air Canada
Fri, May 1 - Tue, May 5

Air Canada flights from Brussels Bruxelles-National Airport to St. Louis

Our best Air Canada deals on Brussels Bruxelles-National Airport to St. Louis flight tickets
Air Canada
Jun 8
BRU8:30 amBrussels Bruxelles-National
18h 55m
2 stops
STL8:25 pmLambert-St Louis
Jun 14
STL1:05 pmLambert-St Louis
11h 05m
1 stop
BRU7:10 amBrussels Bruxelles-National
$792
Air Canada
May 1
BRU9:40 amBrussels Bruxelles-National
17h 29m
2 stops
STL8:09 pmLambert-St Louis
May 5
STL1:05 pmLambert-St Louis
17h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
$796
Air Canada
May 1
BRU9:40 amBrussels Bruxelles-National
17h 45m
2 stops
STL8:25 pmLambert-St Louis
May 5
STL1:05 pmLambert-St Louis
23h 55m
2 stops
BRU8:00 pmBrussels Bruxelles-National
$797

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
May 1
BRU7:00 amBrussels Bruxelles-National
13h 25m
1 stop
STL1:25 pmLambert-St Louis
May 5
STL12:15 pmLambert-St Louis
12h 00m
1 stop
BRU7:15 amBrussels Bruxelles-National
$741
Lufthansa
May 1
BRU7:00 amBrussels Bruxelles-National
13h 25m
1 stop
STL1:25 pmLambert-St Louis
May 5
STL7:09 pmLambert-St Louis
15h 21m
2 stops
BRU5:30 pmBrussels Bruxelles-National
$764
Lufthansa
May 1
BRU7:00 amBrussels Bruxelles-National
13h 25m
1 stop
STL1:25 pmLambert-St Louis
May 5
STL12:15 pmLambert-St Louis
12h 00m
1 stop
BRU7:15 amBrussels Bruxelles-National
$775

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 April 18, 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

Cheapest round-trip
Quickest round-trip

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 5/5

12:15 pm-7:15 am

1 stop12h 00m

$741

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 5/5

7:09 pm-5:30 pm

2 stops15h 21m

$764

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 5/5

12:15 pm-7:15 am

1 stop12h 00m

$775

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

2:25 pm-10:50 pm

2 stops15h 25m

Lambert-St Louis

Tue 5/5

7:09 pm-5:30 pm

2 stops15h 21m

$786

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 5/5

1:05 pm-1:15 pm

2 stops17h 10m

$789

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

7:00 am-1:25 pm

1 stop13h 25m

Lambert-St Louis

Tue 5/5

12:15 pm-7:15 am

1 stop12h 00m

$790

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/8

8:30 am-8:25 pm

2 stops18h 55m

Lambert-St Louis

Sun 6/14

1:05 pm-7:10 am

1 stop11h 05m

$792

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 5/31

10:15 am-3:46 pm

1 stop12h 31m

Lambert-St Louis

Sun 6/7

8:35 am-7:15 am

1 stop15h 40m

$793

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

9:40 am-8:09 pm

2 stops17h 29m

Lambert-St Louis

Tue 5/5

1:05 pm-1:15 pm

2 stops17h 10m

$796

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 5/1

9:40 am-8:25 pm

2 stops17h 45m

Lambert-St Louis

Tue 5/5

1:05 pm-8:00 pm

2 stops23h 55m

$797

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 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 48% 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

12h 31m

Direct flights

None
The fastest flight from Brussels Bruxelles-National Airport to St. Louis takes 12h 31m
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

Frequently asked questions about flying from Brussels Bruxelles-National Airport to St. Louis

  • 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 12h 31m, 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 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.

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Brussels to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Brussels to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Brussels to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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