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Cheap flights from St. Louis to Belgium from $443

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Belgium

Cheap round-trip flights

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United Airlines Logo
6:00 am - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
24h 15m2 stops Newark London Heathrow
United Airlines Logo
8:25 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
12h 20m1 stop Frankfurt am Main
$767United Airlines
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
1:17 pm - 7:15 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
10h 58m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:00 am - 1:45 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
13h 45m1 stop Frankfurt am Main
$771United Airlines
Wed, Dec 2 - Wed, Dec 9
United Airlines Logo
4:05 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 10m2 stops Toronto Pearson Intl London Heathrow
United Airlines Logo
11:55 am - 10:15 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
17h 20m2 stops Washington, D.C. Dulles Intl Newark
$779United Airlines
Wed, Dec 2 - Wed, Dec 9
Lufthansa Logo
3:40 pm - 1:35 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 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
$809Lufthansa
Sun, Dec 6 - Sun, Dec 13
Air Canada Logo
4:05 pm - 1:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
38h 10m2 stops Toronto Pearson Intl London Heathrow
Air Canada Logo
10:00 am - 2:41 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
35h 41m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$810Air Canada
Mon, Nov 16 - Tue, Dec 8
Multiple Airlines Logo
1:08 pm - 8:55 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
12h 47m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:00 am - 2:41 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
35h 41m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$815Multiple Airlines
Mon, Nov 16 - Tue, Dec 8
Multiple Airlines Logo
1:08 pm - 8:55 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
12h 47m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:00 am - 2:41 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
35h 41m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$815Multiple Airlines
Sun, Nov 15 - Tue, Dec 8
United Airlines Logo
1:18 pm - 8:55 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
12h 37m1 stop Chicago O'Hare Intl
United Airlines Logo
10:00 am - 4:24 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
37h 24m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$815United Airlines
Fri, Dec 4 - Fri, Dec 11
Lufthansa Logo
6:50 pm - 4:15 pmSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
14h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
9:30 am - 10:15 pmBRU  Brussels Bruxelles-National-STL Lambert-St Louis
19h 45m2 stops Frankfurt am Main Newark
$824Lufthansa
Sun, Nov 15 - Tue, Dec 8
Lufthansa Logo
3:40 pm - 10:10 amSTL  Lambert-St Louis-BRU Brussels Bruxelles-National
11h 30m1 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
$851Lufthansa
Sun, Nov 15 - Sun, Nov 22

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United Airlines flights from St. Louis to Belgium

Our best United Airlines deals on St. Louis to Belgium flight tickets
United Airlines
Nov 23
STL4:05 pmLambert-St Louis
14h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 11
BRU8:25 amBrussels Bruxelles-National
12h 20m
1 stop
STL1:45 pmLambert-St Louis
$771
United Airlines
Nov 23
STL1:08 pmLambert-St Louis
12h 47m
1 stop
BRU8:55 amBrussels Bruxelles-National
Dec 9
BRU7:00 amBrussels Bruxelles-National
13h 45m
1 stop
STL1:45 pmLambert-St Louis
$776
United Airlines
Nov 23
STL4:05 pmLambert-St Louis
14h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 10
BRU10:10 amBrussels Bruxelles-National
13h 21m
1 stop
STL4:31 pmLambert-St Louis
$780

Air Canada flights from St. Louis to Belgium

Our best Air Canada deals on St. Louis to Belgium flight tickets
Air Canada
Nov 23
STL4:05 pmLambert-St Louis
38h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 8
BRU8:25 amBrussels Bruxelles-National
38h 01m
2 stops
STL3:26 pmLambert-St Louis
$779
Air Canada
Nov 23
STL4:05 pmLambert-St Louis
14h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 10
BRU10:00 amBrussels Bruxelles-National
19h 59m
2 stops
STL10:59 pmLambert-St Louis
$784
Air Canada
Nov 16
STL4:05 pmLambert-St Louis
38h 10m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 8
BRU10:00 amBrussels Bruxelles-National
35h 41m
2 stops
STL2:41 pmLambert-St Louis
$810

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 12/2

6:00 am-1:15 pm

2 stops24h 15m

Brussels Bruxelles-National

Wed 12/9

8:25 am-1:45 pm

1 stop12h 20m

$767

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 12/2

1:17 pm-7:15 am

1 stop10h 58m

Brussels Bruxelles-National

Wed 12/9

7:00 am-1:45 pm

1 stop13h 45m

$771

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Wed 12/2

4:05 pm-1:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Wed 12/9

11:55 am-10:15 pm

2 stops17h 20m

$779

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 12/6

3:40 pm-1:35 pm

1 stop14h 55m

Brussels Bruxelles-National

Sun 12/13

8:25 am-1:45 pm

1 stop12h 20m

$809

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 11/16

4:05 pm-1:15 pm

2 stops38h 10m

Brussels Bruxelles-National

Tue 12/8

10:00 am-2:41 pm

2 stops35h 41m

$810

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Mon 11/16

1:08 pm-8:55 am

1 stop12h 47m

Brussels Bruxelles-National

Tue 12/8

10:00 am-2:41 pm

2 stops35h 41m

$815

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 11/15

1:08 pm-8:55 am

1 stop12h 47m

Brussels Bruxelles-National

Tue 12/8

10:00 am-2:41 pm

2 stops35h 41m

$815

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Fri 12/4

1:18 pm-8:55 am

1 stop12h 37m

Brussels Bruxelles-National

Fri 12/11

10:00 am-4:24 pm

2 stops37h 24m

$815

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 11/15

6:50 pm-4:15 pm

2 stops14h 25m

Brussels Bruxelles-National

Tue 12/8

9:30 am-10:15 pm

2 stops19h 45m

$824
Quickest round-trip

St. LouisBrussels

STL Lambert-St Louis - BRU Brussels Bruxelles-National

STLBRU

Lambert-St Louis

Sun 11/15

3:40 pm-10:10 am

1 stop11h 30m

Brussels Bruxelles-National

Sun 11/22

8:25 am-1:45 pm

1 stop12h 20m

$851

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 Belgium from

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

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 Belgium?

In general, February is the cheapest month to fly from St. Louis to Belgium. 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 Belgium 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.

Can stopping save me money on St. Louis to Belgium flights?

You could potentially save up to 6% on your flight if you consider stops on a St. Louis to Belgium flight.

Cheap St. Louis to Belgium flight deals and tips

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

Best Price Found

$443

Fastest flight time

12h 37m

Direct flights

None
The best one-way flight to Belgium from St. Louis in the past 72 hours is $443. The best round-trip flight deal from St. Louis to Belgium found on momondo in the last 72 hours is $767.
The fastest flight from St. Louis to Belgium takes 12h 37m
There are no direct flights from St. Louis to Belgium. There are no popular flight routes from St. Louis to Belgium.
Search flight deals

Frequently asked questions about flying from St. Louis to Belgium

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

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

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

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

    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 Belgium.

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

    The travel and health documents required for your trip to Belgium 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 Belgium. 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 Belgium

Compare and see reviews for airlines that fly from St. Louis to Belgium with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $441Free CancellationRating
6.8
8,292 reviews
Search Lufthansa flights
United AirlinesPriceFrom $507Free CancellationRating
7.3
10,415 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Flights from St. Louis to Belgium with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential St. Louis to Belgium 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 St. Louis to Belgium right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Belgium 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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