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Cheap flights to Knox County

View €129 flight on Thu, 6 Aug 2026Opens in a new window

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Popular airlines to Knox County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • JetBlue Airways

  • Frontier Airlines

  • Alaska Airlines

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Cheap round-trip flights to Knox County

Prices were available within the past 7 days and start at €129 for one-way flights and €208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 30 Jul - Sun, 2 Aug
DCA
Washington
TYS
Knoxville
€208 Return, found 2 days ago
€208
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Jul from Washington to Knoxville, returning Sun, 2 Aug, priced at €208 found 2 days ago
American Airlines
Thu, 30 Jul - Sun, 2 Aug
DCA
Washington
TYS
Knoxville
€217 Return, found 2 days ago
€217
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Jul from Washington to Knoxville, returning Sun, 2 Aug, priced at €217 found 2 days ago
American Airlines
Fri, 24 Jul - Mon, 27 Jul
DCA
Washington
TYS
Knoxville
€235 Return, found 4 days ago
€235
Return
found 4 days ago
Select American Airlines flight, departing Fri, 24 Jul from Washington to Knoxville, returning Mon, 27 Jul, priced at €235 found 4 days ago
American Airlines
Thu, 30 Jul - Sun, 2 Aug
DCA
Washington
TYS
Knoxville
€239 Return, found 2 days ago
€239
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Jul from Washington to Knoxville, returning Sun, 2 Aug, priced at €239 found 2 days ago
American Airlines
Fri, 24 Jul - Mon, 27 Jul
DCA
Washington
TYS
Knoxville
€250 Return, found 4 days ago
€250
Return
found 4 days ago
Select American Airlines flight, departing Fri, 24 Jul from Washington to Knoxville, returning Mon, 27 Jul, priced at €250 found 4 days ago
Delta
Fri, 21 Aug - Mon, 24 Aug
DCA
Washington
TRI
Tri-Cities
€254 Return, found 5 days ago
€254
Return
found 5 days ago
Select Delta flight, departing Fri, 21 Aug from Washington to Tri-Cities, returning Mon, 24 Aug, priced at €254 found 5 days ago
Delta
Thu, 6 Aug - Thu, 13 Aug
PDX
Portland
TYS
Knoxville
€256 Return, found 1 day ago
€256
Return
found 1 day ago
Select Delta flight, departing Thu, 6 Aug from Portland to Knoxville, returning Thu, 13 Aug, priced at €256 found 1 day ago
United
Sat, 1 Aug - Sat, 8 Aug
BUF
Buffalo
LEX
Lexington
€314 Return, found 4 hours ago
€314
Return
found 4 hours ago
Select United flight, departing Sat, 1 Aug from Buffalo to Lexington, returning Sat, 8 Aug, priced at €314 found 4 hours ago
Lufthansa
Mon, 21 Sept - Mon, 2 Nov
DUB
Dublin
TYS
Knoxville
€591 Return, found 6 days ago
€591
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 21 Sept from Dublin to Knoxville, returning Mon, 2 Nov, priced at €591 found 6 days ago
Air Canada
Wed, 21 Oct - Wed, 28 Oct
DUB
Dublin
TYS
Knoxville
€641 Return, found 2 days ago
€641
Return
found 2 days ago
Select Air Canada flight, departing Wed, 21 Oct from Dublin to Knoxville, returning Wed, 28 Oct, priced at €641 found 2 days ago

Trending flights to Knox County

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

United
Tue, 1 Dec - Tue, 8 Dec
DUB
Dublin
TYS
Knoxville
€579 Return, found 4 days ago
€579
Return
found 4 days ago
Select United flight, departing Tue, 1 Dec from Dublin to Knoxville, returning Tue, 8 Dec, priced at €579 found 4 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 €208. 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 €208 and €641. Many lucky travellers scored one-way tickets from Portland (PDX) for as low as €129.
What are the most popular airports to fly into in Knox County?
Start organising 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.
How much is a plane ticket to Knox County?
In the last seven days, plane tickets to Knox County fluctuated between €208 and €641. The early bird catches the worm, so snap up a good deal today.
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 16ºC and 29ºC at this time of year. The biggest crowds flock here in March, April and July.
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.

Book with confidence

About Knox County

Expedia offers flights to Knox County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Knox County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Knox County
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