Cheap Flights to Knox County | Popular Routes to Knox County from HK$1,867

View HK$1,867 flight on Fri, 13 Mar 2026Opens in a new window

Popular airlines to Knox County

  • HK Express

  • Cathay Pacific

  • Peach

  • British Airways

  • AirAsia

  • Thai AirAsia

  • Hong Kong Airlines

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Cheap round-trip flights to Knox County

Prices were available within the past 7 days and start at HK$1,867 for one-way flights and HK$3,088 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,088 Return, found 11 hours ago
HK$3,088
Return
found 11 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,088 found 11 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,432 Return, found 11 hours ago
HK$3,432
Return
found 11 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,432 found 11 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,550 Return, found 11 hours ago
HK$3,550
Return
found 11 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,550 found 11 hours ago
American Airlines
Thu, 5 Mar - Sun, 8 Mar
IAD
Washington
TYS
Knoxville
HK$3,647 Return, found 3 days ago
HK$3,647
Return
found 3 days ago
Select American Airlines flight, departing Thu, 5 Mar from Washington to Knoxville, returning Sun, 8 Mar, priced at HK$3,647 found 3 days ago
United
Thu, 5 Mar - Sun, 8 Mar
IAD
Washington
TYS
Knoxville
HK$3,835 Return, found 3 days ago
HK$3,835
Return
found 3 days ago
Select United flight, departing Thu, 5 Mar from Washington to Knoxville, returning Sun, 8 Mar, priced at HK$3,835 found 3 days ago
American Airlines
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,851 Return, found 11 hours ago
HK$3,851
Return
found 11 hours ago
Select American Airlines flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,851 found 11 hours ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$3,894 Return, found 11 hours ago
HK$3,894
Return
found 11 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$3,894 found 11 hours ago
Delta
Thu, 5 Mar - Sun, 8 Mar
IAD
Washington
TYS
Knoxville
HK$3,937 Return, found 3 days ago
HK$3,937
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Mar from Washington to Knoxville, returning Sun, 8 Mar, priced at HK$3,937 found 3 days ago
United
Thu, 5 Mar - Sun, 8 Mar
IAD
Washington
TYS
Knoxville
HK$4,061 Return, found 3 days ago
HK$4,061
Return
found 3 days ago
Select United flight, departing Thu, 5 Mar from Washington to Knoxville, returning Sun, 8 Mar, priced at HK$4,061 found 3 days ago
Delta
Fri, 13 Mar - Mon, 16 Mar
IAD
Washington
TRI
Tri-Cities
HK$4,098 Return, found 11 hours ago
HK$4,098
Return
found 11 hours ago
Select Delta flight, departing Fri, 13 Mar from Washington to Tri-Cities, returning Mon, 16 Mar, priced at HK$4,098 found 11 hours 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 HK$3,088. 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 HK$3,088 and HK$4,098. Many lucky travellers scored one-way tickets from Washington (IAD) for as low as HK$1,867.
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 HK$3,088 and HK$4,098. 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.

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About Knox County

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About Knox County

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