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

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Decatur to Charleston (DEC-CHS)

Prices were available within the past 7 days and start at for one-way flights and $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 29 - Sat, Nov 15
DEC
Decatur
CHS
Charleston
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Decatur to Charleston, returning Sat, Nov 15, priced at $324 found 3 days ago
United
Sat, Oct 25 - Wed, Nov 5
DEC
Decatur
CHS
Charleston
$329 Roundtrip, found 3 days ago
$329
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 25 from Decatur to Charleston, returning Wed, Nov 5, priced at $329 found 3 days ago
United
Tue, Sep 9 - Fri, Sep 26
DEC
Decatur
CHS
Charleston
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 9 from Decatur to Charleston, returning Fri, Sep 26, priced at $354 found 3 days ago
United
Mon, Oct 27 - Sat, Nov 15
DEC
Decatur
CHS
Charleston
$356 Roundtrip, found 3 days ago
$356
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 27 from Decatur to Charleston, returning Sat, Nov 15, priced at $356 found 3 days ago
United
Wed, Oct 29 - Tue, Nov 11
DEC
Decatur
CHS
Charleston
$366 Roundtrip, found 3 days ago
$366
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Decatur to Charleston, returning Tue, Nov 11, priced at $366 found 3 days ago
United
Sun, Nov 2 - Sat, Nov 15
DEC
Decatur
CHS
Charleston
$368 Roundtrip, found 3 days ago
$368
Roundtrip
found 3 days ago
Select United flight, departing Sun, Nov 2 from Decatur to Charleston, returning Sat, Nov 15, priced at $368 found 3 days ago
United
Wed, Aug 20 - Thu, Sep 4
DEC
Decatur
CHS
Charleston
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 20 from Decatur to Charleston, returning Thu, Sep 4, priced at $369 found 6 days ago
United
Tue, Aug 19 - Sat, Aug 30
DEC
Decatur
CHS
Charleston
$371 Roundtrip, found 6 days ago
$371
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Decatur to Charleston, returning Sat, Aug 30, priced at $371 found 6 days ago
United
Tue, Aug 19 - Fri, Sep 5
DEC
Decatur
CHS
Charleston
$374 Roundtrip, found 6 days ago
$374
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Decatur to Charleston, returning Fri, Sep 5, priced at $374 found 6 days ago
United
Wed, Oct 29 - Thu, Nov 13
DEC
Decatur
CHS
Charleston
$378 Roundtrip, found 3 days ago
$378
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Decatur to Charleston, returning Thu, Nov 13, priced at $378 found 3 days ago
United
Wed, Oct 29 - Fri, Nov 14
DEC
Decatur
CHS
Charleston
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Decatur to Charleston, returning Fri, Nov 14, priced at $383 found 3 days ago
United
Sat, Sep 6 - Fri, Sep 26
DEC
Decatur
CHS
Charleston
$386 Roundtrip, found 6 days ago
$386
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 6 from Decatur to Charleston, returning Fri, Sep 26, priced at $386 found 6 days ago
United
Tue, Sep 9 - Wed, Sep 24
DEC
Decatur
CHS
Charleston
$396 Roundtrip, found 3 days ago
$396
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 9 from Decatur to Charleston, returning Wed, Sep 24, priced at $396 found 3 days ago
United
Wed, Sep 3 - Wed, Sep 17
DEC
Decatur
CHS
Charleston
$398 Roundtrip, found 3 days ago
$398
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 3 from Decatur to Charleston, returning Wed, Sep 17, priced at $398 found 3 days ago
United
Tue, Sep 9 - Sat, Sep 27
DEC
Decatur
CHS
Charleston
$401 Roundtrip, found 3 days ago
$401
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 9 from Decatur to Charleston, returning Sat, Sep 27, priced at $401 found 3 days ago
United
Tue, Sep 16 - Thu, Oct 2
DEC
Decatur
CHS
Charleston
$404 Roundtrip, found 6 days ago
$404
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 16 from Decatur to Charleston, returning Thu, Oct 2, priced at $404 found 6 days ago
United
Tue, Sep 23 - Sat, Oct 4
DEC
Decatur
CHS
Charleston
$406 Roundtrip, found 6 days ago
$406
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 23 from Decatur to Charleston, returning Sat, Oct 4, priced at $406 found 6 days ago
United
Tue, Sep 9 - Thu, Sep 25
DEC
Decatur
CHS
Charleston
$408 Roundtrip, found 3 days ago
$408
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 9 from Decatur to Charleston, returning Thu, Sep 25, priced at $408 found 3 days ago
United
Wed, Sep 3 - Fri, Sep 19
DEC
Decatur
CHS
Charleston
$410 Roundtrip, found 3 days ago
$410
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 3 from Decatur to Charleston, returning Fri, Sep 19, priced at $410 found 3 days ago
United
Tue, Sep 16 - Wed, Oct 1
DEC
Decatur
CHS
Charleston
$411 Roundtrip, found 3 days ago
$411
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 16 from Decatur to Charleston, returning Wed, Oct 1, priced at $411 found 3 days ago

Alternative airports near Charleston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $356
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $356
Flights from Decatur (DEC) to Charleston (CHS)
Origin airport
Decatur
Destination airport
Charleston Intl.
Roundtrip price
$324
Distance
686 mi

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 October. 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.

 

Frequently asked questions

How much does a flight from Decatur Airport (DEC) to Charleston Intl. Airport (CHS) cost?
Discover the latest flight deals from DEC to CHS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DEC to CHS?
The cheapest flights from DEC to CHS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEC to CHS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DEC to CHS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

Explore a world of travel with Expedia

*Available to One Key members.