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

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

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Frequently asked questions

How much does a flight from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight or cheap return flight from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL) 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 Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL)?
Planning your trip for can help you save, as it's the cheapest month for flights between CRL and STL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from CRL to STL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily direct flights from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from CRL to STL?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your trip to book your flight from CRL to STL often results in higher prices. While it's possible to find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a CRL to STL flight and hotel package?
You'll generally save money by securing a CRL to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Brussels South Charleroi Airport (CRL) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your CRL to STL flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

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

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Charleroi to St. Louis Flights

The cheapest times to fly from Charleroi to St. Louis

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 Charleroi to St. Louis are during the month of . You can find some of the cheapest flights from Charleroi to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Charleroi to St. Louis: 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 Charleroi to St. Louis

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 Charleroi to St. Louis in 2026. 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 Charleroi to St. Louis 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 Charleroi to St. Louis 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.

 

Charleroi to St. Louis Flights

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