Cheap Flights from Chattanooga (CHA) to Decatur (DEC)

Popular airlines from Chattanooga Metropolitan Airport (CHA) to Decatur, IL (DEC)

Frequently asked questions

How much does a flight from Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC) cost?
Grab a cheap one-way flight or cheap return flight from Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC)?
Traveling in may help you find better deals, as it's the cheapest month for flights between CHA and DEC. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC)?
To find the cheapest airline flying from CHA to DEC, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC)?
There are no daily direct flights from Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from CHA to DEC?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier 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 Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC)?
To avoid possible delays on the Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC) route, aim to fly before 3 PM. Later flights 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 Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC) last-minute?
Last-minute fares from CHA to DEC are typically more expensive. For the best rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a CHA to DEC flight and hotel package?
Compared with arranging hotels and flights separately, booking a CHA to DEC flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of hotels, 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 Chattanooga Metropolitan Airport (CHA) to Decatur Airport (DEC)?
It's generally possible to reschedule or cancel your CHA to DEC flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Chattanooga Metropolitan
Destination airport
Decatur
Distance
388 mi

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Chattanooga to Decatur Flights

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

 

The best time to book a flight from Chattanooga to Decatur

Sunday is one of the best days to book for cheap flights from Chattanooga 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 Chattanooga 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 Chattanooga 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 Chattanooga 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 Chattanooga 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.

 

Chattanooga to Decatur Flights

*Flight schedules are subject to change.

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*Available to One Key members.