Cheap Flights from St. Louis (STL) to Charleroi (CRL)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Charleroi (CRL-Brussels South Charleroi)

Alternative airports near Charleroi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brussels - National BRU. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $706
BRU
Brussels - National
Cheapest
Average driving time to city center47 min
Flights from $706

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL)?
is the cheapest month to fly from STL to CRL. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to CRL flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL)?
There aren't any daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from STL to CRL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL)?
To arrive at Brussels South Charleroi Airport (CRL) without delays, select a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL) last-minute?
Last-minute bookings from STL to CRL are typically more expensive. To secure the best prices, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a STL to CRL flight and hotel package?
Booking a STL to CRL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Brussels South Charleroi Airport (CRL)?
In most instances, you're able to cancel or reschedule your STL to CRL flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Brussels South Charleroi
Distance
4410 mi

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St. Louis to Charleroi Flights

The cheapest times to fly from St. Louis to Charleroi

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Charleroi are during the month of . You can find some of the cheapest flights from St. Louis to Charleroi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Charleroi

Sunday is one of the best days to book for cheap flights from St. Louis to Charleroi: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Charleroi

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Charleroi in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Charleroi flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Charleroi airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Charleroi Flights

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*Available to One Key members.