$280 Cheap Flights from Appleton (ATW) to Decatur (DEC)

View $280 flight on Tue, Jul 28, 2026Opens in a new window

Popular airlines from Appleton, WI (ATW-Appleton Intl.) to Decatur, IL (DEC)

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Cheap Flights from Appleton to Decatur (ATW-DEC)

Prices were available within the past 7 days and start at $280 for one-way flights and $512 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$512 Roundtrip, found 2 days ago
$512
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $512 found 2 days ago
United
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$554 Roundtrip, found 2 days ago
$554
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $554 found 2 days ago
United
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$613 Roundtrip, found 2 days ago
$613
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $613 found 2 days ago
United
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$672 Roundtrip, found 2 days ago
$672
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $672 found 2 days ago
United
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$717 Roundtrip, found 2 days ago
$717
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $717 found 2 days ago
Delta
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$767 Roundtrip, found 2 days ago
$767
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $767 found 2 days ago
United
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$796 Roundtrip, found 2 days ago
$796
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $796 found 2 days ago
Delta
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$906 Roundtrip, found 2 days ago
$906
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $906 found 2 days ago
Delta
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$925 Roundtrip, found 2 days ago
$925
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $925 found 2 days ago
Delta
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$1,004 Roundtrip, found 2 days ago
$1,004
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $1,004 found 2 days ago
Delta
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$1,064 Roundtrip, found 2 days ago
$1,064
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $1,064 found 2 days ago
Delta
Tue, Jul 28 - Wed, Jul 29
ATW
Appleton
DEC
Decatur
$1,143 Roundtrip, found 2 days ago
$1,143
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Appleton to Decatur, returning Wed, Jul 29, priced at $1,143 found 2 days ago

Frequently asked questions

How much does a flight from Appleton Intl. Airport (ATW) to Decatur Airport (DEC) cost?
Lock in a cheap one-way flight from $280 or cheap return flight from $512 from Appleton Intl. Airport (ATW) 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 Appleton Intl. Airport (ATW) to Decatur Airport (DEC)?
The cheapest month to fly from ATW to DEC is July, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Appleton Intl. Airport (ATW) to Decatur Airport (DEC)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ATW to DEC flight.
How many flights per day from Appleton Intl. Airport (ATW) to Decatur Airport (DEC)?
Nonstop flights from Appleton Intl. Airport (ATW) to Decatur Airport (DEC) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ATW to DEC?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Appleton Intl. Airport (ATW) to Decatur Airport (DEC)?
Opt for a flight from Appleton Intl. Airport (ATW) to Decatur Airport (DEC) that takes off before 3 PM to reduce the likelihood 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 Appleton Intl. Airport (ATW) to Decatur Airport (DEC) last-minute?
Holding off until just before your departure to book your flight from ATW to DEC generally means paying more. While you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book an ATW to DEC flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATW to DEC flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Appleton Intl. Airport (ATW) to Decatur Airport (DEC)?
If you booked your ATW to DEC flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, 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 information.

Travel information

Origin airport
Appleton Intl.
Destination airport
Decatur
Roundtrip price
$512
Distance
306 mi

Book with confidence

Appleton to Decatur Flights

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

 

The best time to book a flight from Appleton to Decatur

Sunday is one of the best days to book for cheap flights from Appleton 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 Appleton 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 Appleton to Decatur in 2026. You can also book with separate airlines for your outbound and return journeys, from $280 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 Appleton 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 Appleton 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.

 

Appleton to Decatur Flights

*Flight schedules are subject to change.

*Available to One Key members.