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$102+ Cheap flights from Knoxville to Charleston (TYS - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — CHS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Knoxville to Charleston

Cheapest flights from Knoxville to Charleston
Explore the most affordable flight options available from Knoxville to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:00 pm
TYS
-
CHS
1 stop7h 13m
Multiple Airlines
Sat 3/288:07 am
CHS
-
TYS
1 stop12h 44m
Multiple Airlines
Deal found 3/9$220
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/207:40 am
TYS
-
CHS
1 stop14h 33m
Multiple Airlines
Tue 3/248:07 am
CHS
-
TYS
1 stop26h 33m
Multiple Airlines
Deal found 3/6$229
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:35 am
TYS
-
CHS
1 stop5h 25m
Southwest
Sat 4/117:35 am
CHS
-
TYS
1 stop7h 45m
Southwest
Deal found 3/6$279
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:27 pm
TYS
-
CHS
1 stop13h 11m
Multiple Airlines
Mon 6/153:21 pm
CHS
-
TYS
1 stop8h 13m
Multiple Airlines
Deal found 3/8$281
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:43 pm
TYS
-
CHS
1 stop11h 00m
Multiple Airlines
Fri 3/278:28 pm
CHS
-
TYS
1 stop25h 06m
Multiple Airlines
Deal found 3/10$288
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:15 am
TYS
-
CHS
2 stops9h 25m
Southwest
Mon 5/186:00 am
CHS
-
TYS
1 stop5h 40m
Southwest
Deal found 3/10$295
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:35 am
TYS
-
CHS
1 stop5h 25m
Southwest
Fri 4/104:45 pm
CHS
-
TYS
1 stop4h 30m
Southwest
Deal found 3/6$298

Find flight deals from Knoxville to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$220
(Kiwi.com)

One-way from

$102
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$412
Provider with most accurate pricing for Knoxville McGhee Tyson-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Charleston flights.
Search Deals
From Knoxville McGhee Tyson to Charleston
Search Deals
One-way flight from Knoxville McGhee Tyson to Charleston
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Knoxville to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Sat 4/4

6:35 am-12:00 pm

1 stop5h 25m

Charleston

Sat 4/11

7:35 am-3:20 pm

1 stop7h 45m

$279

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Tue 6/2

8:15 am-1:35 pm

1 stop5h 20m

Charleston

Thu 6/4

4:10 pm-10:20 pm

1 stop6h 10m

$290
Quickest round-trip

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Fri 5/1

5:54 pm-11:02 pm

1 stop5h 08m

Charleston

Fri 5/8

7:20 am-1:10 pm

1 stop5h 50m

$317

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Fri 6/19

6:40 am-12:40 pm

1 stop6h 00m

Charleston

Tue 6/23

3:00 pm-9:15 pm

1 stop6h 15m

$317

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Thu 6/11

6:40 am-3:35 pm

1 stop8h 55m

Charleston

Mon 6/15

4:10 pm-10:20 pm

1 stop6h 10m

$323

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Fri 4/3

6:30 am-3:50 pm

2 stops9h 20m

Charleston

Fri 4/10

1:15 pm-9:15 pm

2 stops8h 00m

$348

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Fri 5/22

8:05 am-7:20 pm

1 stop11h 15m

Charleston

Sun 5/24

7:05 am-2:45 pm

1 stop7h 40m

$408
Cheapest one-way

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Mon 4/13

1:15 pm-8:38 am

1 stop19h 23m

$136

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Thu 4/2

6:44 pm-10:13 pm

1 stop27h 29m

$144
Quickest one-way

KnoxvilleCharleston

TYS - CHS

TYSCHS

Knoxville McGhee Tyson

Sun 5/24

7:31 am-12:10 pm

1 stop4h 39m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Charleston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Charleston

What is the cheapest month to book a flight from Knoxville to Charleston?

Currently, June is the cheapest month in which you can book a flight from Knoxville to Charleston (average of $168). Flying from Knoxville to Charleston in December is currently the most expensive (average of $275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated March 10, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Knoxville to Charleston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,414 reviews
Delta
7.9
Good
8,276 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Charleston?

    A quick flight from Knoxville to Charleston can take about 5h 08m. Southwest provides one of the quickest options available for as low as $317. The distance between Knoxville and Charleston is about 302 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Knoxville to Charleston round-trip?

    Currently priced at $286, American Airlines will fly you from Knoxville to Charleston and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $316. You may be able to fly from Knoxville to Charleston for 33% less than the average price by searching for these airlines.

  • Can I find deals for flights from Knoxville to Charleston that include hotel bookings?

    Yes. In addition to deals on Knoxville to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Charleston.

  • Can I find deals for business class flights from Knoxville to Charleston?

    Yes. Cheapflights offers flight deals from Knoxville to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Charleston?

    Currently, June is the cheapest month in which you can book a flight from Knoxville to Charleston (average of $168). Flying from Knoxville to Charleston in December is currently the most expensive (average of $275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Santee
Walterboro
Summerville
Isle of Palms
Mount Pleasant
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Knoxville to Charleston

Discover the top 2 airlines that operate flights from Knoxville to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$426FlexibilityNo cancel feeOn-time71%
DeltaCheapest$316Average$402FlexibilityNo cancel feeOn-timeN/A

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