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Cheap flights from St. Louis to Brussels from $476

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.
United Airlines Logo
10:53 am - 8:55 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
15h 02m1 stop Chicago O'Hare Intl
United Airlines Logo
10:10 am - 9:40 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
18h 30m1 stop Chicago O'Hare Intl
$597United Airlines
Mon, Nov 2 - Tue, Nov 10
United Airlines Logo
1:08 pm - 8:55 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
12h 47m1 stop Chicago O'Hare Intl
United Airlines Logo
10:00 am - 9:40 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
18h 40m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$600United Airlines
Mon, Nov 2 - Tue, Nov 10
Air Canada Logo
7:30 am - 7:50 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
17h 20m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:00 am - 9:40 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
18h 40m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$603Air Canada
Mon, Nov 2 - Tue, Nov 10
United Airlines Logo
10:50 am - 8:55 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
15h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
10:00 am - 10:42 amBRU  Brussels Bruxelles-National-STL Lambert-St Louis
31h 42m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$605United Airlines
Mon, Dec 7 - Thu, Dec 17
Air Canada Logo
5:25 am - 7:50 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
19h 25m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:00 am - 10:42 amBRU  Brussels Bruxelles-National-STL Lambert-St Louis
31h 42m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$607Air Canada
Mon, Dec 7 - Thu, Dec 17
British Airways Logo
1:51 pm - 8:55 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
24h 04m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
9:15 pm - 5:07 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
26h 52m2 stops London Heathrow Chicago O'Hare Intl
$619British Airways
Mon, Jan 4 - Mon, Jan 11
United Airlines Logo
8:00 am - 7:15 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
17h 15m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
10:10 am - 7:23 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
16h 13m1 stop Chicago O'Hare Intl
$652United Airlines
Tue, Oct 27 - Tue, Nov 3
Lufthansa Logo
4:40 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
$710Lufthansa
Wed, Oct 28 - Wed, Nov 4
Lufthansa Logo
12:20 pm - 11:50 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
16h 30m2 stops Newark Frankfurt am Main
Lufthansa Logo
7:30 pm - 1:25 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
24h 55m2 stops Munich Franz Josef Strauss Frankfurt am Main
$934Lufthansa
Wed, Sep 30 - Sun, Oct 4
Lufthansa Logo
1:18 pm - 4:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
19h 57m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:55 am - 7:35 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
14h 40m1 stop Washington, D.C. Dulles Intl
$2,171Lufthansa
Sun, Dec 13 - Sun, Dec 27

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United Airlines flights from St. Louis to Brussels

Our best United Airlines deals on St. Louis to Brussels flight tickets
United Airlines
Nov 2
STL10:53 amLambert-St Louis
15h 02m
1 stop
BRU8:55 amBrussels Bruxelles-National
Nov 10
BRU10:10 amBrussels Bruxelles-National
18h 30m
1 stop
STL9:40 pmLambert-St Louis
$597
United Airlines
Nov 2
STL1:08 pmLambert-St Louis
12h 47m
1 stop
BRU8:55 amBrussels Bruxelles-National
Nov 10
BRU10:00 amBrussels Bruxelles-National
18h 40m
2 stops
STL9:40 pmLambert-St Louis
$600
United Airlines
Dec 7
STL10:50 amLambert-St Louis
15h 05m
1 stop
BRU8:55 amBrussels Bruxelles-National
Dec 17
BRU10:00 amBrussels Bruxelles-National
31h 42m
2 stops
STL10:42 amLambert-St Louis
$605

Air Canada flights from St. Louis to Brussels

Our best Air Canada deals on St. Louis to Brussels flight tickets
Air Canada
Nov 2
STL7:30 amLambert-St Louis
17h 20m
2 stops
BRU7:50 amBrussels Bruxelles-National
Nov 10
BRU10:00 amBrussels Bruxelles-National
18h 40m
2 stops
STL9:40 pmLambert-St Louis
$603
Air Canada
Dec 7
STL5:25 amLambert-St Louis
19h 25m
2 stops
BRU7:50 amBrussels Bruxelles-National
Dec 17
BRU10:00 amBrussels Bruxelles-National
31h 42m
2 stops
STL10:42 amLambert-St Louis
$607
Air Canada
Oct 15
STL12:10 pmLambert-St Louis
37h 45m
2 stops
BRU8:55 amBrussels Bruxelles-National
Oct 28
BRU10:00 amBrussels Bruxelles-National
35h 43m
2 stops
STL3:43 pmLambert-St Louis
$741

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 11/2

10:53 am-8:55 am

1 stop15h 02m

Brussels Bruxelles-National

Tue 11/10

10:10 am-9:40 pm

1 stop18h 30m

$597

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 11/2

1:08 pm-8:55 am

1 stop12h 47m

Brussels Bruxelles-National

Tue 11/10

10:00 am-9:40 pm

2 stops18h 40m

$600

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 11/2

7:30 am-7:50 am

2 stops17h 20m

Brussels Bruxelles-National

Tue 11/10

10:00 am-9:40 pm

2 stops18h 40m

$603

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 12/7

10:50 am-8:55 am

1 stop15h 05m

Brussels Bruxelles-National

Thu 12/17

10:00 am-10:42 am

2 stops31h 42m

$605

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 12/7

5:25 am-7:50 am

2 stops19h 25m

Brussels Bruxelles-National

Thu 12/17

10:00 am-10:42 am

2 stops31h 42m

$607

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 1/4

1:51 pm-8:55 pm

2 stops24h 04m

Brussels Bruxelles-National

Mon 1/11

9:15 pm-5:07 pm

2 stops26h 52m

$619

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Tue 10/27

8:00 am-7:15 am

1 stop17h 15m

Brussels Bruxelles-National

Tue 11/3

10:10 am-7:23 pm

1 stop16h 13m

$652
Quickest round-trip

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 10/28

4:40 pm-1:35 pm

1 stop14h 55m

Brussels Bruxelles-National

Wed 11/4

7:00 am-1:45 pm

1 stop13h 45m

$710

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 9/30

12:20 pm-11:50 am

2 stops16h 30m

Brussels Bruxelles-National

Sun 10/4

7:30 pm-1:25 pm

2 stops24h 55m

$934

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 12/13

1:18 pm-4:15 pm

2 stops19h 57m

Brussels Bruxelles-National

Sun 12/27

11:55 am-7:35 pm

1 stop14h 40m

$2,171

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 typical price of a round-trip flight between St. Louis and Brussels?

Prices are currently low for flights on this route.

Typical prices usually range from $807 to $917.
The lowest price recently found on this route was $597.

What is the cheapest month to fly to Brussels?

In general, February 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 $494. If you are unable to visit Brussels during the month of February, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $657.

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

$476

Fastest flight time

12h 00m

Direct flights

None
The best one-way flight to Brussels from St. Louis in the past 72 hours is $476. The best round-trip flight deal from St. Louis to Brussels found on momondo in the last 72 hours is $597.
The fastest flight from St. Louis to Brussels takes 12h 00m
There are no direct flights from St. Louis to Brussels. There are no popular flight routes from St. Louis to Brussels.
Search flight deals

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 12h 00m.

  • 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
8,221 reviews
Search Lufthansa flights
United AirlinesPriceFrom $507Free CancellationRating
7.4
10,215 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