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$336+ Cheap flights from Missouri to Belgium

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BRU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Missouri to Belgium

Keep the following information in mind while searching for Missouri to Belgium flight deals. Data was last updated September 16, 2025.

Round-trip from

$534
(United Airlines)

One-way from

$336
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$763
From Missouri to Belgium
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One-way flight from Missouri to Belgium
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Highest demand for flights based on searches. 11% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Missouri to Belgium

Cheapest flights from Missouri to Belgium
Explore the most affordable flight options available from Missouri to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:05 amSTL - BRU
1 stop14h 50mUnited Airlines
Thu 11/2710:00 amBRU - STL
2 stops35h 25mUnited Airlines
Deal found 9/15$534
This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:59 pmSTL - BRU
2 stops16h 31mScandinavian Airlines
Wed 11/53:10 pmBRU - STL
2 stops37h 28mScandinavian Airlines
Deal found 9/14$537
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amMCI - BRU
2 stops17h 50mUnited Airlines
Tue 11/1110:00 amBRU - MCI
2 stops31h 40mUnited Airlines
Deal found 9/15$554
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:25 amSTL - BRU
1 stop16h 50mUnited Airlines
Wed 11/510:10 amBRU - STL
1 stop19h 35mUnited Airlines
Deal found 9/14$556
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:31 pmSTL - BRU
1 stop13h 24mUnited Airlines
Thu 11/1310:00 amBRU - STL
2 stops35h 25mUnited Airlines
Deal found 9/15$584
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:05 pmSTL - BRU
1 stop11h 10mUnited Airlines
Wed 10/2910:10 amBRU - STL
1 stop18h 35mUnited Airlines
Deal found 9/16$593
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:30 pmSTL - BRU
2 stops16h 45mAir Canada
Wed 10/2910:00 amBRU - STL
2 stops35h 46mAir Canada
Deal found 9/16$597
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:30 pmSTL - BRU
2 stops13h 15mMultiple Airlines
Wed 10/2910:00 amBRU - STL
2 stops35h 29mMultiple Airlines
Deal found 9/15$599
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:00 pmSTL - BRU
1 stop12h 55mUnited Airlines
Thu 12/2510:10 amBRU - STL
1 stop18h 33mUnited Airlines
Deal found 9/15$601
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:00 amMCI - BRU
3 stops17h 50mMultiple Airlines
Tue 11/1110:00 amBRU - MCI
2 stops18h 10mMultiple Airlines
Deal found 9/14$648
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:15 amMCI - BRU
2 stops28h 15mUnited Airlines
Mon 1/54:55 pmBRU - MCI
2 stops36h 45mUnited Airlines
Deal found 9/14$665
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/125:47 pmMCI - BRU
2 stops31h 18mUnited Airlines
Sun 10/196:45 amBRU - MCI
2 stops17h 41mUnited Airlines
Deal found 9/14$695

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Belgium 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Missouri to Belgium that are best for you.

Fly from

Missouri

Fly to

Belgium

Route

Depart

Return

Price

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Wed 11/12

11:49 am-8:05 am

1 stop13h 16m

Brussels Bruxelles-National

Thu 11/27

10:00 am-5:39 pm

2 stops38h 39m

$534

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Wed 10/29

6:00 am-7:55 am

1 stop19h 55m

Brussels Bruxelles-National

Tue 11/11

10:00 am-2:21 pm

2 stops35h 21m

$554

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Wed 10/29

8:25 am-7:15 am

1 stop16h 50m

Brussels Bruxelles-National

Wed 11/5

10:10 am-10:45 pm

1 stop19h 35m

$556

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Tue 3/3

10:30 am-7:50 am

2 stops14h 20m

Brussels Bruxelles-National

Mon 3/9

7:55 pm-9:10 pm

2 stops31h 15m

$580

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Thu 11/6

12:31 pm-8:55 am

1 stop13h 24m

Brussels Bruxelles-National

Thu 11/13

10:00 am-2:25 pm

2 stops35h 25m

$584

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Tue 10/14

1:30 pm-8:05 am

1 stop11h 35m

Brussels Bruxelles-National

Wed 10/29

10:00 am-3:46 pm

2 stops35h 46m

$593

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Mon 12/29

6:15 am-5:30 pm

2 stops28h 15m

Brussels Bruxelles-National

Mon 1/5

4:55 pm-10:40 pm

2 stops36h 45m

$665

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Sun 10/12

11:33 am-9:00 am

1 stop14h 27m

Brussels Bruxelles-National

Sun 10/19

6:45 am-5:26 pm

2 stops17h 41m

$695

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Fri 10/3

10:01 am-9:00 am

1 stop15h 59m

Brussels Bruxelles-National

Fri 10/10

12:00 pm-2:48 pm

1 stop33h 48m

$713

Kansas CityBrussels

MCI - BRU

MCIBRU

Kansas City

Wed 10/29

12:45 pm-7:15 am

1 stop12h 30m

Brussels Bruxelles-National

Tue 11/11

11:15 am-9:10 pm

1 stop16h 55m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
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Best time to book a flight from Missouri to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Belgium

What is the cheapest month to book a flight from Missouri to Belgium?

Currently, November is the cheapest month in which you can book a flight from Missouri to Belgium (average of $614). Flying from Missouri to Belgium in June is currently the most expensive (average of $1,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to BE?

Find hourly flight availability from Missouri to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Belgium as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to Belgium?

    A quick flight from Missouri to Belgium can take about 10h 34m. United Airlines provides one of the quickest options available for as low as $1,051. Airlines will cover a distance of 4582 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Belgium one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $439. Users have also found prices from $500 and $503 on Brussels Airlines and United Airlines, respectively.

  • Can I find deals for flights from Missouri to Belgium that include hotel bookings?

    Yes. In addition to deals on Missouri to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Belgium.

  • Can I find deals for business class flights from Missouri to Belgium?

    Yes. Cheapflights offers flight deals from Missouri to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Belgium?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Belgium (average of $614). Flying from Missouri to Belgium in June is currently the most expensive (average of $1,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Missouri to Belgium

Discover the top airline that operate flights from Missouri to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$640Average$1,033FlexibilityNo cancel feeOn-time69%

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