$358 Cheap Flights from Madison (MSN) to Decatur (DEC)

View $358 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Dane County Regional Airport (MSN) to Decatur, IL (DEC)

Cheap Flights from Madison to Decatur (MSN-DEC)

Prices were available within the past 7 days and start at $358 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Dane County Regional Airport (MSN) to Decatur Airport (DEC) cost?
Grab a cheap one-way flight from $358 or cheap return flight from Dane County Regional Airport (MSN) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Dane County Regional Airport (MSN) to Decatur Airport (DEC)?
is the cheapest month to fly from MSN to DEC. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Dane County Regional Airport (MSN) to Decatur Airport (DEC)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MSN to DEC flight.
How many flights per day from Dane County Regional Airport (MSN) to Decatur Airport (DEC)?
Nonstop flights from Dane County Regional Airport (MSN) to Decatur Airport (DEC) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MSN to DEC?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dane County Regional Airport (MSN) to Decatur Airport (DEC)?
To touch down at Decatur Airport (DEC) on time, opt for a flight that leaves Dane County Regional Airport (MSN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Dane County Regional Airport (MSN) to Decatur Airport (DEC) last-minute?
Last-minute bookings from MSN to DEC are typically more expensive. To secure the best prices, start looking for flights well in advance. That being said, if you can play around with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book a MSN to DEC flight and hotel package?
You can save money by securing a MSN to DEC 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 everything in one convenient place. Once you've chosen 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 Dane County Regional Airport (MSN) to Decatur Airport (DEC)?
Typically, you can modify or cancel your MSN to DEC flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Dane County Regional
Destination airport
Decatur
Distance
229 mi

Book with confidence

Book with confidence

Madison to Decatur Flights

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

 

The best time to book a flight from Madison to Decatur

Sunday is one of the best days to book for cheap flights from Madison 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 Madison 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 Madison to Decatur in 2025. You can also book with separate airlines for your outbound and return journeys, from $358 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 Madison 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 Madison 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.

 

Madison to Decatur Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.