Cheap Flights from Marion (MWA) to Belleville (BLV)

Popular airlines from Marion, IL (MWA-Williamson County Regional) to Belleville, IL (BLV-MidAmerica-St. Louis)

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Frequently asked questions

How much does a flight from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV) cost?
Lock in a cheap one-way flight or cheap return flight from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV) 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 Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV)?
is the most affordable month to fly from MWA to BLV. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV)?
To find the cheapest airline flying from MWA to BLV, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV)?
There are no daily nonstop flights departing from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from MWA to BLV?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier 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 Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV)?
Select a flight from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV) last-minute?
Waiting until right before your break to book a ticket from MWA to BLV often results in higher prices. While you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule for the best chance of getting a bargain.
Can I cancel or change the date of my flight from Williamson County Regional Airport (MWA) to MidAmerica-St. Louis Airport (BLV)?
Usually, it's possible to reschedule or cancel your MWA to BLV flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Williamson County Regional
Destination airport
MidAmerica-St. Louis
Distance
70 mi

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Marion to Belleville Flights

The cheapest times to fly from Marion to Belleville

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

 

The best time to book a flight from Marion to Belleville

Sunday is one of the best days to book for cheap flights from Marion to Belleville: 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 Marion to Belleville

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 Marion to Belleville 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 Marion to Belleville 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 Marion to Belleville 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.

 

Marion to Belleville Flights

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*Available to One Key members.