Cheap Flights from Decatur (DEC) to Charleston (CHS)

Popular airlines from Decatur, IL (DEC) to Charleston Intl. Airport (CHS)

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Frequently asked questions

How much does a flight from Decatur Airport (DEC) to Charleston Intl. Airport (CHS) cost?
Snag a cheap one-way flight or cheap return flight from Decatur Airport (DEC) to Charleston Intl. Airport (CHS) 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 Decatur Airport (DEC) to Charleston Intl. Airport (CHS)?
is the cheapest month to fly from DEC to CHS. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Decatur Airport (DEC) to Charleston Intl. Airport (CHS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DEC to CHS flight.
How many flights per day from Decatur Airport (DEC) to Charleston Intl. Airport (CHS)?
There aren't any daily direct flights from Decatur Airport (DEC) to Charleston Intl. Airport (CHS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from DEC to CHS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Charleston Intl. Airport (CHS)?
To reach Charleston Intl. Airport (CHS) on time, opt for a flight that leaves Decatur Airport (DEC) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Charleston Intl. Airport (CHS) last-minute?
Last-minute bookings from DEC to CHS are usually more expensive. To lock in the lowest prices, start searching for flights well ahead of time. That being said, if you can play around with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book a DEC to CHS flight and hotel package?
Booking a DEC to CHS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Decatur Airport (DEC) to Charleston Intl. Airport (CHS)?
In most instances, you can cancel or reschedule your DEC to CHS flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Origin airport
Decatur
Destination airport
Charleston Intl.
Distance
686 mi

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Decatur to Charleston Flights

The cheapest times to fly from Decatur to Charleston

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

 

The best time to book a flight from Decatur to Charleston

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

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 Charleston 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 Decatur to Charleston 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 Charleston 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.

 

Decatur to Charleston Flights

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*Available to One Key members.