Cheap Flights from Decatur (DEC) to Moline (MLI)

Popular airlines from Decatur, IL (DEC) to Quad City Intl. Airport (MLI)

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Flights from Decatur (DEC) to Moline (MLI)
Origin airport
Decatur
Destination airport
Quad City Intl.
Distance
140 mi

Decatur to Moline Flights

The cheapest times to fly from Decatur to Moline

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

 

The best time to book a flight from Decatur to Moline

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

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 Decatur to Moline 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 Decatur to Moline 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 Decatur to Moline 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.

 

Frequently asked questions

How much does a flight from Decatur Airport (DEC) to Quad City Intl. Airport (MLI) cost?
Snag a cheap one-way flight or cheap return flight from Decatur Airport (DEC) to Quad City Intl. Airport (MLI) 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 Decatur Airport (DEC) to Quad City Intl. Airport (MLI)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between DEC and MLI. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Decatur Airport (DEC) to Quad City Intl. Airport (MLI)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEC to MLI. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Decatur Airport (DEC) to Quad City Intl. Airport (MLI)?
Direct flights from Decatur Airport (DEC) to Quad City Intl. Airport (MLI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEC to MLI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, such as 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 Decatur Airport (DEC) to Quad City Intl. Airport (MLI)?
To avoid possible delays on the Decatur Airport (DEC) to Quad City Intl. Airport (MLI) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Decatur Airport (DEC) to Quad City Intl. Airport (MLI) last-minute?
Last-minute fares from DEC to MLI are usually more expensive. For the cheapest rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a DEC to MLI flight and hotel package?
You'll typically save money by securing a DEC to MLI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Decatur Airport (DEC) to Quad City Intl. Airport (MLI)?
If you reserved your DEC to MLI flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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