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Cheap flights from St. Louis to Brussels from $466

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 10m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
7:00 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$755Multiple Airlines
Mon, Dec 7 - Wed, Dec 16
Multiple Airlines Logo
4:05 pm - 1:40 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 35m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
7:00 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$759Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
3:25 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 50m2 stops Chicago O'Hare Intl London Heathrow
United Airlines Logo
11:55 am - 9:23 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
16h 28m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$770United Airlines
Mon, Dec 7 - Wed, Dec 16
Lufthansa Logo
3:40 pm - 1:35 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 55m1 stop Frankfurt am Main
Lufthansa Logo
7:00 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$772Lufthansa
Sun, Feb 7 - Sun, Feb 21
Multiple Airlines Logo
4:05 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 10m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
8:25 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
12h 20m1 stop Frankfurt am Main
$772Multiple Airlines
Sun, Feb 7 - Sun, Feb 21
Multiple Airlines Logo
1:17 pm - 7:15 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
10h 58m1 stop Washington, D.C. Dulles Intl
Multiple Airlines Logo
8:25 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
12h 20m1 stop Frankfurt am Main
$774Multiple Airlines
Mon, Dec 7 - Wed, Dec 16
United Airlines Logo
3:25 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 50m2 stops Chicago O'Hare Intl London Heathrow
United Airlines Logo
8:25 am - 3:26 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
38h 01m2 stops Frankfurt am Main Toronto Pearson Intl
$775United Airlines
Wed, Dec 9 - Wed, Dec 16
United Airlines Logo
4:39 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
13h 36m2 stops Newark London Heathrow
United Airlines Logo
10:00 am - 11:28 amBRU  Brussels Bruxelles-National-STL Lambert-St Louis
32h 28m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$799United Airlines
Wed, Mar 3 - Tue, Mar 9
Lufthansa Logo
3:40 pm - 12:35 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
8:25 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
12h 20m1 stop Frankfurt am Main
$806Lufthansa
Sun, Dec 6 - Sun, Dec 20
Lufthansa Logo
5:05 pm - 10:10 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
34h 05m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
7:00 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$817Lufthansa
Sat, Feb 20 - Fri, Mar 12

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Lufthansa flights from St. Louis to Brussels

Our best Lufthansa deals on St. Louis to Brussels flight tickets
Lufthansa
Dec 6
STL3:40 pmLambert-St Louis
13h 55m
1 stop
BRU12:35 pmBrussels Bruxelles-National
Dec 20
BRU8:25 amBrussels Bruxelles-National
12h 20m
1 stop
STL1:45 pmLambert-St Louis
$806
Lufthansa
Feb 20
STL5:05 pmLambert-St Louis
34h 05m
2 stops
BRU10:10 amBrussels Bruxelles-National
Mar 12
BRU7:00 amBrussels Bruxelles-National
13h 45m
1 stop
STL1:45 pmLambert-St Louis
$817
Lufthansa
Dec 6
STL3:40 pmLambert-St Louis
13h 55m
1 stop
BRU12:35 pmBrussels Bruxelles-National
Dec 13
BRU8:25 amBrussels Bruxelles-National
12h 20m
1 stop
STL1:45 pmLambert-St Louis
$818

Air Canada flights from St. Louis to Brussels

Our best Air Canada deals on St. Louis to Brussels flight tickets
Air Canada
Feb 7
STL4:05 pmLambert-St Louis
33h 45m
2 stops
BRU8:50 amBrussels Bruxelles-National
Feb 21
BRU10:00 amBrussels Bruxelles-National
42h 23m
2 stops
STL9:23 pmLambert-St Louis
$779
Air Canada
Mar 3
STL4:05 pmLambert-St Louis
21h 05m
2 stops
BRU8:10 pmBrussels Bruxelles-National
Mar 9
BRU10:00 amBrussels Bruxelles-National
42h 13m
2 stops
STL9:13 pmLambert-St Louis
$797
Air Canada
Dec 5
STL5:40 pmLambert-St Louis
31h 10m
2 stops
BRU7:50 amBrussels Bruxelles-National
Dec 13
BRU10:00 amBrussels Bruxelles-National
43h 59m
2 stops
STL10:59 pmLambert-St Louis
$819

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Brussels that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 12/7

4:05 pm-1:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Wed 12/16

7:00 am-1:45 pm

1 stop13h 45m

$755

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 12/9

4:05 pm-1:40 pm

2 stops14h 35m

Brussels Bruxelles-National

Wed 12/16

7:00 am-1:45 pm

1 stop13h 45m

$759

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 12/7

3:25 pm-1:15 pm

2 stops14h 50m

Brussels Bruxelles-National

Wed 12/16

11:55 am-9:23 pm

2 stops16h 28m

$770

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 2/7

3:40 pm-1:35 pm

1 stop14h 55m

Brussels Bruxelles-National

Sun 2/21

7:00 am-1:45 pm

1 stop13h 45m

$772

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 2/7

4:05 pm-1:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Sun 2/21

8:25 am-1:45 pm

1 stop12h 20m

$772
Quickest round-trip

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 12/7

1:17 pm-7:15 am

1 stop10h 58m

Brussels Bruxelles-National

Wed 12/16

8:25 am-1:45 pm

1 stop12h 20m

$774

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 12/9

3:25 pm-1:15 pm

2 stops14h 50m

Brussels Bruxelles-National

Wed 12/16

8:25 am-3:26 pm

2 stops38h 01m

$775

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 3/3

4:39 pm-1:15 pm

2 stops13h 36m

Brussels Bruxelles-National

Tue 3/9

10:00 am-11:28 am

2 stops32h 28m

$799

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 12/6

3:40 pm-12:35 pm

1 stop13h 55m

Brussels Bruxelles-National

Sun 12/20

8:25 am-1:45 pm

1 stop12h 20m

$806

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sat 2/20

5:05 pm-10:10 am

2 stops34h 05m

Brussels Bruxelles-National

Fri 3/12

7:00 am-1:45 pm

1 stop13h 45m

$817

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 Brussels from

How to get the cheapest flight ticket from St. Louis to Brussels

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 Brussels?

In general, January is the cheapest month to fly from St. Louis to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Brussels during the month of January, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $494.

Cheap St. Louis to Brussels flight deals and tips

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

Best Price Found

$466

Fastest flight time

13h 36m

Direct flights

None
The best one-way flight to Brussels from St. Louis in the past 72 hours is $466. The best round-trip flight deal from St. Louis to Brussels found on momondo in the last 72 hours is $755.
The fastest flight from St. Louis to Brussels takes 13h 36m
There are no direct flights from St. Louis to Brussels. There are no popular flight routes from St. Louis to Brussels.
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Frequently asked questions about flying from St. Louis to Brussels

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

    There are 4389.6 mi between Lambert-St Louis and Brussels. By plane, this route typically takes 13h 36m.

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

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

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

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

    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 Lambert-St Louis Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents required for your trip to Brussels 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 Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Brussels

Compare and see reviews for airlines that fly from St. Louis to Brussels with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $441Free CancellationRating
6.8
8,298 reviews
Search Lufthansa flights
United AirlinesPriceFrom $507Free CancellationRating
7.3
10,444 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Brussels from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Brussels.

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

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

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Brussels Bruxelles-National Airport
Charleroi Brussels Airport