$144 Cheap Flights from Knoxville (TYS) to Charleston (CHS)

Popular airlines from McGhee Tyson Airport (TYS) to Charleston Intl. Airport (CHS)

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Find available prices by choosing your travel dates.

Cheap Flights from Knoxville to Charleston (TYS-CHS)

Prices were available within the past 7 days and start at $144 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
United
American Airlines
United
United
United
United
United
United
Delta
Flights from Knoxville (TYS) to Charleston (CHS)
Origin airport
McGhee Tyson
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$286
Distance
302 mi

Knoxville to Charleston Flights

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

The best time to book a flight from Knoxville to Charleston

Sunday is one of the best days to book for cheap flights from Knoxville 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 Knoxville 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 Knoxville to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $144 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 Knoxville 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 Knoxville 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

Is it cheaper to buy a plane ticket from TYS to Charleston Intl. Airport (CHS) last minute?
When it’s time to book your flights, being prepared pays dividends. While you could pick up a deal on a TYS to Charleston Intl. Airport flight at the last minute, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international trips it’s three to four months.
What airports do you fly into for Charleston from Knoxville?
With Charleston Intl. Airport (CHS), Hilton Head Island Airport (HHH) and Beaufort, SC (BFT-Frogmore Intl.) to pick from, flying from Knoxville to Charleston is no sweat. The city’s main gateway, Charleston Intl. Airport (CHS), is about 9 mi northwest of the downtown area. Along with the price of tickets, consider factors like transportation options from the airport and the distance to your hotel when choosing where to fly into. Get your Charleston trip off to an exciting start by exploring USS Yorktown and Charleston City Market.
Can I change the date of my flight from McGhee Tyson Airport (TYS) to CHS?
It’s so easy to make amendments to your Knoxville Airport to Charleston Intl. Airport (CHS) trip yourself. Simply log in to the Expedia Trips portal and click on “change flight.” Look around for new flights and lock in the one that works best. You’ll see an estimate of flight change fees that may apply. Alternatively, head to our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.

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