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Cheap flights from Missouri to Brussels from $434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Brussels departing on 12/15. 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 Missouri to Brussels

Cheap round-trip flights

Scandinavian Airlines Logo
3:59 pm - 2:30 pmSTL-BRU
15h 31m2 stops
Scandinavian Airlines Logo
10:20 am - 9:04 pmBRU-STL
17h 44m2 stops
$540Scandinavian Airlines
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Fri, Nov 7 - Fri, Nov 14
United Airlines Logo
8:00 am - 7:50 amMCI-BRU
17h 50m2 stops
United Airlines Logo
11:15 am - 7:57 pmBRU-MCI
15h 42m2 stops
$572United Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 4
United Airlines Logo
11:36 am - 7:55 amMCI-BRU
14h 19m1 stop
United Airlines Logo
11:15 am - 7:57 pmBRU-MCI
15h 42m2 stops
$575United Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 4
Air Canada Logo
4:05 pm - 1:15 pmSTL-BRU
14h 10m2 stops
Air Canada Logo
10:00 am - 12:28 pmBRU-STL
33h 28m2 stops
$590Air Canada
Find Deal
Wed, Nov 12 - Thu, Nov 27
Delta Logo
6:00 am - 9:00 amMCI-BRU
20h 00m1 stop
Delta Logo
11:00 am - 9:12 pmBRU-MCI
17h 12m2 stops
$600Delta
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Mon, Dec 1 - Tue, Dec 9
Multiple Airlines Logo
8:00 am - 7:50 amMCI-BRU
17h 50m3 stops
Multiple Airlines Logo
10:00 am - 9:50 pmBRU-MCI
18h 50m2 stops
$613Multiple Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 11
Multiple Airlines Logo
11:29 am - 1:15 pmMCI-BRU
18h 46m3 stops
Multiple Airlines Logo
10:00 am - 8:06 pmBRU-MCI
17h 06m2 stops
$617Multiple Airlines
Find Deal
Tue, Jan 20 - Wed, Feb 25
British Airways Logo
5:35 pm - 4:40 pmMCI-BRU
16h 05m2 stops
British Airways Logo
12:00 pm - 10:54 pmBRU-MCI
17h 54m2 stops
$637British Airways
Find Deal
Mon, Dec 1 - Tue, Dec 9
Air Canada Logo
4:05 pm - 7:50 amSTL-BRU
33h 45m2 stops
Air Canada Logo
10:00 am - 3:29 pmBRU-STL
35h 29m2 stops
$655Air Canada
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Sun, Mar 15 - Sun, Mar 22
British Airways Logo
12:53 pm - 11:10 amSTL-BRU
15h 17m2 stops
British Airways Logo
10:40 am - 8:02 pmBRU-STL
16h 22m2 stops
$789British Airways
Find Deal
Mon, Feb 2 - Sat, May 30

British Airways flights from Missouri to Brussels

Our best British Airways deals on Missouri to Brussels flight tickets
British Airways
Dec 1
MCI5:35 pmKansas City
16h 05m
2 stops
BRU4:40 pmBrussels Bruxelles-National
Dec 9
BRU12:00 pmBrussels Bruxelles-National
17h 54m
2 stops
MCI10:54 pmKansas City
$637
Find similar
British Airways
Feb 2
STL12:53 pmLambert-St Louis
15h 17m
2 stops
BRU11:10 amBrussels Bruxelles-National
May 30
BRU10:40 amBrussels Bruxelles-National
16h 22m
2 stops
STL8:02 pmLambert-St Louis
$789
Find similar
British Airways
Feb 1
STL5:54 pmLambert-St Louis
15h 46m
2 stops
BRU4:40 pmBrussels Bruxelles-National
May 30
BRU10:40 amBrussels Bruxelles-National
16h 22m
2 stops
STL8:02 pmLambert-St Louis
$804
Find similar

United Airlines flights from Missouri to Brussels

Our best United Airlines deals on Missouri to Brussels flight tickets
United Airlines
Oct 26
MCI8:00 amKansas City
17h 50m
2 stops
BRU7:50 amBrussels Bruxelles-National
Nov 4
BRU11:15 amBrussels Bruxelles-National
15h 42m
2 stops
MCI7:57 pmKansas City
$572
Find similar
United Airlines
Oct 26
MCI11:36 amKansas City
14h 19m
1 stop
BRU7:55 amBrussels Bruxelles-National
Nov 4
BRU11:15 amBrussels Bruxelles-National
15h 42m
2 stops
MCI7:57 pmKansas City
$575
Find similar
United Airlines
Oct 26
MCI9:58 amKansas City
15h 57m
1 stop
BRU7:55 amBrussels Bruxelles-National
Nov 4
BRU10:10 amBrussels Bruxelles-National
18h 40m
1 stop
MCI9:50 pmKansas City
$579
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Brussels 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 September 23, 2025.
Use the filters below to find and compare flights from Missouri to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Fri 11/7

3:59 pm-2:30 pm

2 stops15h 31m

Brussels Bruxelles-National

Fri 11/14

10:20 am-9:04 pm

2 stops17h 44m

$540

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Sun 10/26

8:00 am-7:50 am

2 stops17h 50m

Brussels Bruxelles-National

Tue 11/4

11:15 am-7:57 pm

2 stops15h 42m

$572

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Sun 10/26

11:36 am-7:55 am

1 stop14h 19m

Brussels Bruxelles-National

Tue 11/4

11:15 am-7:57 pm

2 stops15h 42m

$575

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Wed 11/12

4:05 pm-1:15 pm

2 stops14h 10m

Brussels Bruxelles-National

Thu 11/27

10:00 am-12:28 pm

2 stops33h 28m

$590

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Mon 12/1

6:00 am-9:00 am

1 stop20h 00m

Brussels Bruxelles-National

Tue 12/9

11:00 am-9:12 pm

2 stops17h 12m

$600

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Wed 10/29

8:00 am-7:50 am

3 stops17h 50m

Brussels Bruxelles-National

Tue 11/11

10:00 am-9:50 pm

2 stops18h 50m

$613

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Tue 1/20

11:29 am-1:15 pm

3 stops18h 46m

Brussels Bruxelles-National

Wed 2/25

10:00 am-8:06 pm

2 stops17h 06m

$617

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Mon 12/1

5:35 pm-4:40 pm

2 stops16h 05m

Brussels Bruxelles-National

Tue 12/9

12:00 pm-10:54 pm

2 stops17h 54m

$637

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Sun 3/15

4:05 pm-7:50 am

2 stops33h 45m

Brussels Bruxelles-National

Sun 3/22

10:00 am-3:29 pm

2 stops35h 29m

$655

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 2/2

12:53 pm-11:10 am

2 stops15h 17m

Brussels Bruxelles-National

Sat 5/30

10:40 am-8:02 pm

2 stops16h 22m

$789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Missouri 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, February is the cheapest month to fly from Missouri to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $690. If you are unable to visit Brussels during the month of February, then departing from Missouri during the month March is also very affordable. Most momondo users find prices during this month for around $736.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Missouri is on a Friday. momondo users have found tickets for Friday departures for as low as $1,035. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,431.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is in the afternoon. momondo users have found flights departing from Missouri to Brussels in the afternoon for as low as $1,088. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,420.

Cheap Missouri to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Brussels

Direct flights

None
There are no direct flights from Missouri to Brussels. There are no popular flight routes from Missouri to Brussels.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Brussels?

    Prices for flights from Missouri to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Missouri to Brussels?

  • How old do you have to be to fly from Missouri 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 Missouri to Brussels.

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

    The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Brussels

Compare and see reviews for airlines that fly from Missouri to Brussels with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $640Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Brussels for you.

Can I find flights from Missouri to Brussels with flexible booking policies on momondo?

Flights from Missouri to Brussels 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 Missouri to Brussels?

momondo provides multiple filters to help you find the best flight to Brussels from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Brussels from Missouri are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport