Cheap Flights to Knox County from $101

View $101 flight on Wed, Aug 26, 2026Opens in a new window

Popular airlines to Knox County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • JetBlue Airways

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How much is the cheapest flight to Knox County?

Prices were available within the past 7 days and start at $101 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jun 9 - Wed, Jun 17
DFW
Dallas
TYS
Knoxville
$200 Roundtrip, found 2 hours ago
$200
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jun 9 from Dallas to Knoxville, returning Wed, Jun 17, priced at $200 found 2 hours ago
Frontier Airlines
Mon, Jun 8 - Wed, Jun 10
DFW
Dallas
TYS
Knoxville
$210 Roundtrip, found 2 hours ago
$210
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Jun 8 from Dallas to Knoxville, returning Wed, Jun 10, priced at $210 found 2 hours ago
Frontier Airlines
Wed, Aug 5 - Mon, Aug 17
DFW
Dallas
TYS
Knoxville
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Dallas to Knoxville, returning Mon, Aug 17, priced at $214 found 4 days ago
Southwest Airlines
Tue, Jul 28 - Wed, Jul 29
DAL
Dallas
TYS
Knoxville
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Jul 28 from Dallas to Knoxville, returning Wed, Jul 29, priced at $243 found 1 day ago
American Airlines
Wed, Jun 3 - Tue, Jun 9
DFW
Dallas
TYS
Knoxville
$243 Roundtrip, found 3 hours ago
$243
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Jun 3 from Dallas to Knoxville, returning Tue, Jun 9, priced at $243 found 3 hours ago
United
Tue, Jun 9 - Wed, Jun 10
DFW
Dallas
TYS
Knoxville
$258 Roundtrip, found 1 day ago
$258
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 9 from Dallas to Knoxville, returning Wed, Jun 10, priced at $258 found 1 day ago
Delta
Tue, Jun 9 - Tue, Jun 16
DFW
Dallas
TYS
Knoxville
$263 Roundtrip, found 2 hours ago
$263
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Jun 9 from Dallas to Knoxville, returning Tue, Jun 16, priced at $263 found 2 hours ago
American Airlines
Tue, Jul 7 - Tue, Jul 14
JFK
New York
TYS
Knoxville
$281 Roundtrip, just found
$281
Roundtrip
just found
Select American Airlines flight, departing Tue, Jul 7 from New York to Knoxville, returning Tue, Jul 14, priced at $281 just found
American Airlines
Tue, Aug 11 - Sat, Aug 15
EWR
New York
LEX
Lexington
$281 Roundtrip, found 6 hours ago
$281
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Aug 11 from New York to Lexington, returning Sat, Aug 15, priced at $281 found 6 hours ago
Delta
Tue, Jul 7 - Tue, Jul 14
EWR
New York
TYS
Knoxville
$281 Roundtrip, just found
$281
Roundtrip
just found
Select Delta flight, departing Tue, Jul 7 from New York to Knoxville, returning Tue, Jul 14, priced at $281 just found

Trending flights to Knox County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, May 28 - Fri, May 29
ORD
Chicago
TRI
Tri-Cities
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 28 from Chicago to Tri-Cities, returning Fri, May 29, priced at $229 found 2 days ago

Frequently asked questions

How do I find cheap flights to Knox County that have flexible change policies?
We know that things can change from one day to the next, so reserving a flexible ticket with Expedia is a wise idea. Tick the "No change fee" box directly below the "Flexible change policies" filter. Your affordable, flexible flight to Knox County is just a few clicks away.
Which airlines fly to Knox County?
With a great selection of airlines flying into or near Knox County, you have plenty of choice:

  • American Airlines - 733 flights to or near Knox County each month, including 733 flights to Louisville Intl. Airport (SDF) per month.
  • United Airlines - 472 flights to or near Knox County each month, including 472 flights to Louisville Intl. Airport (SDF) per month.
  • Delta Air Lines - 450 flights to or near Knox County each month, including 450 flights to Louisville Intl. Airport (SDF) per month.

How can I find cheap tickets to Knox County?
One of the easiest ways to bag cheap tickets to Knox County is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. You'll see the cheapest prices for nearby days. The best price for a flight to Knox County in the last seven days was $200. Booking well in advance will generally help you pick up an even bigger bargain.
How much is a flight to Knox County?
There were lots of budget-friendly fares up for grabs in the last seven days, with the cost of a round-trip flight to Knox County ranging between $200 and $281. Many lucky travelers scored one-way tickets from Dallas (DFW) for as low as $101.
What are the most popular airports to fly into in Knox County?
Start organizing your Knox County trip by booking a fare on one of the 2,155 flights every month to Louisville Intl. Airport (SDF). This is the region's main entryway.
When is the cheapest time to fly to Knox County?
Taking off on a Tuesday, followed by a Monday, is usually the best way to land the cheapest flight. Stay away from the weekends if you can, because Saturday is typically the costliest day. Spend the money you saved having a good time in Knox County instead!
How much is a plane ticket to Knox County?
In the last seven days, plane tickets to Knox County fluctuated between $200 and $281. The early bird catches the worm, so snap up a good deal today.
What months are the cheapest to book a flight to Knox County?
Snap up a ticket in February for low-priced flights to Knox County. The festive month of December is generally the most expensive time to purchase a fare.
How long is a flight to Knox County?
It depends on a couple of different things, including where you set off from and whether you're traveling on a multi-stop or direct flight. Below are three of the busiest domestic routes to Knox County and their average flight times:

  • Chicago, IL (ORD-OHare Intl.) to Louisville Intl. Airport (SDF) - 1 hour and 27 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Louisville Intl. Airport (SDF) - 2 hours and 7 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Louisville Intl. Airport (SDF) - 1 hour and 20 minutes

What is the best time to go to Knox County?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are a good time to explore the well-known Knox County city of Barbourville. Average temperatures fluctuate between 60ºF and 85ºF at this time of year. The biggest crowds flock here in March, April and July.

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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.