$753+ Cheap flights from St. Louis (STL) to Belgium
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Belgium with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Belgium
Keep the following information in mind while searching for St. Louis to Belgium flight deals. Data was last updated March 28, 2025.
Round-trip from | $867 (Mytrip) |
|---|---|
Popular in | June |
Cheapest in | February |
Average price | $725 |
Find flight deals from St. Louis to Belgium
Cheapest flights from St. Louis to BelgiumExplore the most affordable flight options available from St. Louis to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.
Explore the most affordable flight options available from St. Louis to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 3/27. 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.
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 3/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 March 28, 2025.
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
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Sat 5/10
2:30 pm-8:05 am
2 stops34h 35m
Brussels Bruxelles-National
Sat 5/17
9:30 am-1:30 pm
1 stop35h 00m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Sat 5/10
7:30 pm-6:00 pm
2 stops39h 30m
Brussels Bruxelles-National
Sat 5/17
7:55 pm-3:21 pm
2 stops26h 26m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Sat 4/19
5:33 pm-9:00 am
1 stop32h 27m
Brussels Bruxelles-National
Sat 4/26
10:30 am-1:30 pm
1 stop34h 00m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Sat 4/19
12:47 pm-9:40 am
2 stops37h 53m
Brussels Bruxelles-National
Sat 4/26
7:10 pm-11:41 pm
2 stops35h 31m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Wed 6/4
8:10 am-8:00 am
2 stops16h 50m
Brussels Bruxelles-National
Wed 6/11
10:00 am-7:43 pm
2 stops16h 43m
Best time to book a flight from St. Louis to Belgium
Have a flexible travel schedule? Discover the best time to fly to Belgium from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Belgium
What is the cheapest month to book a flight from St. Louis to Belgium?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Belgium (average of $614). Flying from St. Louis to Belgium in June is currently the most expensive (average of $1,146). 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 STL to BE?
Find hourly flight availability from St. Louis 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 March 28, 2025.
When flying from St. Louis to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Belgium by month
Plan your trip to Belgium by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.
Temperature in Belgium by month
Plan your trip to Belgium by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).
Reviews of airlines servicing Belgium
Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated March 28, 2025.
Boarding
Food
Crew
Entertainment
Comfort
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Boarding
Food
Crew
Entertainment
Comfort
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Boarding
Food
Crew
Entertainment
Comfort
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Boarding
Food
Crew
Entertainment
Comfort
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Belgium
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from St. Louis to Belgium
Discover the top airline that operate flights from St. Louis 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 March 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$628 | Average$1,025 | FlexibilityNo cancel fee | On-time69% |