Title: $21 Cheap Flights to Casteau - Expedia.com ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $21 Cheap Flights to Casteau [View $21 flight on Wed, Feb 11, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BUD,to:CRL,departure:2/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:20.93&airProductToken=AQovCi0IxqQBEgI1NBiBHSCiXCiN7oQDMIrvhAM4oEBAAFgBagVCYXNpY3IFQkFTSUMSCggBEAEYASoCRlIYASIECAEQASgCKAMoBDAN) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Casteau Travel Guide](https://expedia.com/Casteau.dx4266)[Hotels in Casteau](https://expedia.com/Casteau-Hotels.d4266.Travel-Guide-Hotels)[Car Rentals in Casteau](https://expedia.com/Car-Rentals-In-Casteau.d4266.Car-Rental-Guide)[Casteau Vacation Packages](https://expedia.com/Casteau.d4266.Destination-Travel-Guides) ## Popular airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SN.svg) Brussels Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SK.svg) SAS [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Casteau, Soignies, Walloon Region, Belgium,departure:2/21/2026TANYT&leg2=from:Casteau, Soignies, Walloon Region, Belgium,to:CMH,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## How much is the cheapest flight to Casteau? Prices were available within the past 7 days and start at $21 for one-way flights and $45 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Ryanair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FR.gif) Sat, Mar 21 - Mon, Mar 23 OTP Bucharest CRL Charleroi $45 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:OTP,to:CRL,departure:3/21/2026TANYT&leg2=from:CRL,to:OTP,departure:3/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:44.72&airProductToken=AQovCi0IxqQBEgI2NxjufCCiXCi-nogDMOOfiAM4oEBAAFgBagVCYXNpY3IFQkFTSUMKLwotCMakARICNjYYolwg7nwoyq6IAzDvr4gDOKBAQABYAWoFQmFzaWNyBUJBU0lDEgoIARABGAEqAkZSGAEiBAgBEAEoAigDKAQwDQ) ![Ryanair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FR.gif) Fri, Mar 13 - Mon, Mar 16 TIA Tirana CRL Charleroi $48 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:TIA,to:CRL,departure:3/13/2026TANYT&leg2=from:CRL,to:TIA,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:47.08&airProductToken=AQoxCi8IxqQBEgQ4MzQzGJMCIKJcKN3ChwMw88OHAzigQEAAWAFqBUJhc2ljcgVCQVNJQwoxCi8IxqQBEgQ4Mjk4GKJcIJMCKO_fhwMwheGHAzigQEAAWAFqBUJhc2ljcgVCQVNJQxIMCAEQARgBKgJGUjIAGAEiBAgBEAEoAigDKAQwDQ) ![Ryanair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FR.gif) Sat, Mar 14 - Sun, Mar 15 BCN Barcelona CRL Charleroi $48 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BCN,to:CRL,departure:3/14/2026TANYT&leg2=from:CRL,to:BCN,departure:3/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:47.09&airProductToken=AQoxCi8IxqQBEgQzODA3GMFoIKJcKOnNhwMw8M6HAzigQEAAWAFqBUJhc2ljcgVCQVNJQwoxCi8IxqQBEgQyODM1GKJcIMFoKNbVhwMw3daHAzigQEAAWAFqBUJhc2ljcgVCQVNJQxIKCAEQARgBKgJGUhgBIgQIARABKAIoAygEMA0) ![Ryanair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FR.gif) Wed, Mar 4 - Sat, Mar 7 BLQ Bologna CRL Charleroi $48 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BLQ,to:CRL,departure:3/4/2026TANYT&leg2=from:CRL,to:BLQ,departure:3/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:47.16&airProductToken=AQoyCjAIxqQBEgQzOTM4GOGCASCiXCjr24YDMNnchgM4oEBAAFgBagVCYXNpY3IFQkFTSUMKMgowCMakARIENDY4MhiiXCDhggEoqYCHAzCXgYcDOKBAQABYAWoFQmFzaWNyBUJBU0lDEgoIARABGAEqAkZSGAEiBAgBEAEoAigDKAQwDQ) ![Pegasus Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PC.GIF) Wed, Jun 10 - Fri, Jun 12 SAW Istanbul CRL Charleroi $158 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SAW,to:CRL,departure:6/10/2026TANYT&leg2=from:CRL,to:SAW,departure:6/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:158.00&airProductToken=AQoyCjAI0IYBEgM5MjMYkrABIKJcKPSpjwMwy6uPAzhQQABYAWoFU0FWRVJyB1BXRUIvUUMKMwoxCNCGARIDOTIyGKJcIJKwASjDwI8DMIvCjwM4UEAAWAFqBVNBVkVScghQV0VCWFFTSRIKCAsQARgIKgJQQxgBIgQIARABKAIwAw) ## Find the cheapest month to fly from Columbus (CMH) to Brussels (BRU) ### January is typically the cheapest month to fly From $501 - $1,670 per traveler. ## Tips to find the cheapest flights to Casteau **The cheapest day to fly** Get started finding a cheap flight to Casteau on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. **The cheapest month to fly** March is the cheapest month to fly to Casteau. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Casteau. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. **The most affordable time to book a flight** Typically, a Sunday can be the cheapest time to book a flight to Casteau, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. **The cheapest round-trip tickets to Casteau** The lowest price for round-trip flights to Casteau in 2026 starts from from $45, while one-way tickets start from from $21\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Casteau. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Casteau** Ryanair, Pegasus Airlines are just some of the airlines that can typically offer cheap tickets to Casteau. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Casteau and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Casteau, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Casteau. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. **Save with a package** With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Casteau plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. **Date flexibility for the cheapest flights to Casteau** If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Casteau. **Stopover savings** The cheapest tickets to Casteau are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Casteau. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. **Get Expedia's Price Drop Protection** Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Casteau for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. \*Terms apply. **Use our Price Tracking feature** Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Casteau. Simply download the free Expedia app to your smart device and activate Casteau flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. **Book with Expedia** As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Casteau. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Frequently asked questions ### Where can I learn more about changing or canceling my flight to Casteau? ### How do I find cheap flights to Casteau that have flexible change policies? ### What is the name of Casteau's airport? ### What airport is best to fly into Casteau? ### How many airlines fly to Casteau? ### How many nonstop flights are there to Casteau? ### Where are the most popular flights to Casteau departing from? ### How long is the flight to Casteau Airport? ### How to book the cheapest flight to Casteau? ### How to survive the flight to Casteau? > - Flying can be a pleasure if you take the right things. Firstly, you'll want some basic toiletry items, such as a toothbrush and some deodorant, a clean set of clothes and a good read. Secondly, leave space in your hand luggage for your phone, tablet and chargers, any medications and maybe a blow-up neck pillow too. Last, but definitely not least, don't forget to bring your passport, travel docs and some cash. > > > Do not pack the following items in your hand luggage: > > > - Pack all your full-sized bottles of hair gel and hairspray in your checked baggage. Any liquids or gels in your carry-on suitcase larger than 3.4 ounces (100 milliliters) will be confiscated. Sharp or pointed objects, like a pocket knife, and dangerous goods which are flammable or explosive, such as aerosol cans, spray paint and fireworks, are also prohibited. > > > What to wear on a flight: > > > - The long, narrow aisles of your plane are not the best place for a fashion parade. Layer up with comfy clothing and bring a sweater as it can get chilly in the cabin. Flat, slightly roomy shoes are also a wise idea. > - Most travelers are aware of deep vein thrombosis (DVT), a blood clot condition caused by long periods of sitting. There are many ways to reduce your risk. Wear a pair of compression socks or tights, stay hydrated and get your legs and feet moving. Wander up and down the aisles of the cabin or perform some simple exercises in your seat. ### How to get through airport security fast when flying to Casteau? > - First things first. Your travel documents and ID will need to be presented to security personnel. Keep them within easy reach so you don't hold up the queue. > - Your coat, belt, keys and other small items, like your headphones, will need to go on a tray through the X-ray machine. Make the whole process faster by removing them before your turn. > - For just a few moments, you'll need to unplug from technology. Your tablet, phone and any other electronic devices also need to go through the scanner. > - Don't forget to remove liquids and gels from your carry-on bag. They usually need to be sent through the X-ray separately. Each product should be in a container no larger than 3.4 ounces (100 milliliters) and everything must fit inside a single quart-size (one liter), clear zip-close bag. > - It's also possible you'll be required to take your shoes off for scanning, so wearing lightweight sneakers is always a smart idea. > - Take all prohibited items out of your carry-on bag. If you have any sharp or pointed objects, pack them in your checked luggage. They won't be allowed on board. \*Flight schedules are subject to change. __Flights to Casteau information__ | Destination airport | Brussels South Charleroi | | ----------------------------- | ------------------------ | | Destination airport IATA code | CRL | | Destination city name | Charleroi | | Roundtrip price | $45 | \*Available to One Key members.