Cheap Flights from Belleville (BLV) to Decatur (DEC)

Popular airlines from Belleville, IL (BLV-MidAmerica-St. Louis) to Decatur, IL (DEC)

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Frequently asked questions

How much does a flight from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC) cost?
Get a cheap one-way flight or cheap return flight from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC) 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 MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC)?
Traveling in is a good way to save, as it's the cheapest month for flights between BLV and DEC. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BLV to DEC. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC)?
There are no daily nonstop flights from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC). But you can opt for flights with layovers. Filter your search 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 BLV to DEC?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year 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 MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC)?
Opt for a flight from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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 MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC) last-minute?
Booking your plane ticket from BLV to DEC just before your getaway is usually more expensive. However, if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a BLV to DEC flight and hotel package?
Opting for a BLV to DEC flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MidAmerica-St. Louis Airport (BLV) to Decatur Airport (DEC)?
In most cases, you can reschedule or cancel your BLV to DEC flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Origin airport
MidAmerica-St. Louis
Destination airport
Decatur
Distance
102 mi

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Belleville to Decatur Flights

The cheapest times to fly from Belleville to Decatur

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

 

The best time to book a flight from Belleville to Decatur

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

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 Belleville to Decatur 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 Belleville to Decatur 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 Belleville to Decatur 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.

 

Belleville to Decatur Flights

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*Available to One Key members.