Cheap Flights from Des Moines (DSM) to Decatur (DEC)

Popular airlines from Des Moines International Airport (DSM) to Decatur, IL (DEC)

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Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Decatur Airport (DEC) cost?
Lock in a cheap one-way flight or cheap return flight from Des Moines Intl. Airport (DSM) 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 Des Moines Intl. Airport (DSM) to Decatur Airport (DEC)?
The cheapest month to fly from DSM to DEC is , when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Des Moines Intl. Airport (DSM) to Decatur Airport (DEC)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DSM to DEC. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Des Moines Intl. Airport (DSM) to Decatur Airport (DEC)?
Direct flights from Des Moines Intl. Airport (DSM) 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 select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DSM to DEC?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, 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 Des Moines Intl. Airport (DSM) to Decatur Airport (DEC)?
To touch down at Decatur Airport (DEC) without delays, book a flight that takes off from Des Moines Intl. Airport (DSM) before 3 PM. The likelihood 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 Des Moines Intl. Airport (DSM) to Decatur Airport (DEC) last-minute?
Booking your plane ticket from DSM to DEC shortly before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a DSM to DEC flight and hotel package?
Compared with arranging hotels and flights separately, booking a DSM to DEC flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Just secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Decatur Airport (DEC)?
If you booked your DSM to DEC flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Des Moines Intl.
Destination airport
Decatur
Distance
276 mi

Book with confidence

Book with confidence

Des Moines to Decatur Flights

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

 

The best time to book a flight from Des Moines to Decatur

Sunday is one of the best days to book for cheap flights from Des Moines 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 Des Moines 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 Des Moines to Decatur 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 Des Moines 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 Des Moines 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.

 

Des Moines to Decatur Flights

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*Available to One Key members.