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Cheap flights from Brussels Bruxelles-National Airport to St. Louis from $478

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 10/13. 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

Discover deals from 900+ travel sites with momondo.

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
6:20 am - 1:25 pm
BRU
-
STL
14h 05m
1 stop
Lufthansa Logo
12:27 pm - 7:45 am
STL
-
BRU
12h 18m
1 stop
$764Lufthansa
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
6:20 am - 1:25 pm
BRU
-
STL
14h 05m
1 stop
Multiple Airlines Logo
12:10 pm - 7:10 am
STL
-
BRU
12h 00m
1 stop
$766Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
6:20 am - 1:25 pm
BRU
-
STL
14h 05m
1 stop
Multiple Airlines Logo
12:59 pm - 9:30 am
STL
-
BRU
13h 31m
2 stops
$767Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
6:20 am - 3:38 pm
BRU
-
STL
16h 18m
2 stops
Multiple Airlines Logo
12:59 pm - 9:30 am
STL
-
BRU
13h 31m
2 stops
$769Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
9:55 am - 6:42 pm
BRU
-
STL
15h 47m
2 stops
Multiple Airlines Logo
12:10 pm - 7:10 am
STL
-
BRU
12h 00m
1 stop
$775Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
Lufthansa Logo
11:10 am - 11:38 pm
BRU
-
STL
19h 28m
1 stop
Lufthansa Logo
12:59 pm - 9:00 am
STL
-
BRU
13h 01m
1 stop
$777Lufthansa
Fri, Aug 28 - Sun, Sep 6
Lufthansa Logo
11:10 am - 11:38 pm
BRU
-
STL
19h 28m
1 stop
Lufthansa Logo
12:59 pm - 9:00 am
STL
-
BRU
13h 01m
1 stop
$779Lufthansa
Fri, Aug 28 - Sun, Sep 6
Air Canada Logo
9:30 am - 12:03 pm
BRU
-
STL
33h 33m
2 stops
Air Canada Logo
12:10 pm - 7:10 am
STL
-
BRU
12h 00m
1 stop
$782Air Canada
Fri, Aug 28 - Sun, Sep 6
United Airlines Logo
6:20 am - 2:15 pm
BRU
-
STL
14h 55m
2 stops
United Airlines Logo
9:04 am - 7:45 am
STL
-
BRU
15h 41m
2 stops
$785United Airlines
Sat, Sep 12 - Sat, Sep 26
Lufthansa Logo
6:45 am - 3:38 pm
BRU
-
STL
15h 53m
2 stops
Lufthansa Logo
6:54 pm - 10:35 pm
STL
-
BRU
20h 41m
2 stops
$786Lufthansa
Fri, Aug 28 - Sun, Sep 6

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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
Sep 12
BRU6:20 amBrussels Bruxelles-National
14h 55m
2 stops
STL2:15 pmLambert-St Louis
Sep 26
STL9:04 amLambert-St Louis
15h 41m
2 stops
BRU7:45 amBrussels Bruxelles-National
$785
United Airlines
Aug 8
BRU11:10 amBrussels Bruxelles-National
17h 16m
2 stops
STL9:26 pmLambert-St Louis
Dec 22
STL4:05 pmLambert-St Louis
14h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
$801

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
Aug 28
BRU9:30 amBrussels Bruxelles-National
33h 33m
2 stops
STL12:03 pmLambert-St Louis
Sep 6
STL12:10 pmLambert-St Louis
12h 00m
1 stop
BRU7:10 amBrussels Bruxelles-National
$782
Air Canada
Aug 24
BRU9:30 amBrussels Bruxelles-National
16h 12m
1 stop
STL6:42 pmLambert-St Louis
Aug 30
STL12:10 pmLambert-St Louis
18h 05m
2 stops
BRU1:15 pmBrussels Bruxelles-National
$787
Air Canada
Aug 24
BRU9:55 amBrussels Bruxelles-National
15h 47m
2 stops
STL6:42 pmLambert-St Louis
Aug 30
STL12:10 pmLambert-St Louis
18h 05m
2 stops
BRU1:15 pmBrussels Bruxelles-National
$790

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 July 23, 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

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 8/24

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Sun 8/30

12:27 pm-7:45 am

1 stop12h 18m

$764
Quickest round-trip

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 8/24

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Sun 8/30

12:10 pm-7:10 am

1 stop12h 00m

$766

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 8/24

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Sun 8/30

12:59 pm-9:30 am

2 stops13h 31m

$767

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 8/24

6:20 am-3:38 pm

2 stops16h 18m

Lambert-St Louis

Sun 8/30

12:59 pm-9:30 am

2 stops13h 31m

$769

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 8/24

9:55 am-6:42 pm

2 stops15h 47m

Lambert-St Louis

Sun 8/30

12:10 pm-7:10 am

1 stop12h 00m

$775

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 8/28

11:10 am-11:38 pm

1 stop19h 28m

Lambert-St Louis

Sun 9/6

12:59 pm-9:00 am

1 stop13h 01m

$777

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 8/28

11:10 am-11:38 pm

1 stop19h 28m

Lambert-St Louis

Sun 9/6

12:59 pm-9:00 am

1 stop13h 01m

$779

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 8/28

9:30 am-12:03 pm

2 stops33h 33m

Lambert-St Louis

Sun 9/6

12:10 pm-7:10 am

1 stop12h 00m

$782

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 9/12

6:20 am-2:15 pm

2 stops14h 55m

Lambert-St Louis

Sat 9/26

9:04 am-7:45 am

2 stops15h 41m

$785

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 8/28

6:45 am-3:38 pm

2 stops15h 53m

Lambert-St Louis

Sun 9/6

6:54 pm-10:35 pm

2 stops20h 41m

$786

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 cheapest month to fly to St. Louis?

In general, February is the cheapest month to fly from Brussels Bruxelles-National Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of March is another great option to travel to St. Louis, with average flight prices from Brussels Bruxelles-National Airport averaging around $662.

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

You could potentially save up to 52% 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

14h 05m

Direct flights

None
The fastest flight from Brussels Bruxelles-National Airport to St. Louis takes 14h 05m
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 14h 05m, 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
10,024 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
Fairview Heights
Hermann
Collinsville
St. Peters
Florissant
Maryland Heights
O'Fallon
Alton
Farmington
Clayton
Wentzville
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

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

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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.

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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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