Cheap Flights to Knox County from $41

Popular airlines to Knox County

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • JetBlue Airways

    JetBlue Airways

  • Alaska Airlines

    Alaska Airlines

How much is the cheapest flight to Knox County?

Prices were available within the past 7 days and start at $41 for one-way flights and $82 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Jan 23 - Mon, Jan 26
IAD
Washington
TRI
Tri-Cities
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Breeze Airways flight, departing Fri, Jan 23 from Washington to Tri-Cities, returning Mon, Jan 26, priced at $82 just found
Breeze Airways
Mon, Mar 23 - Fri, Mar 27
IAD
Washington
TRI
Tri-Cities
$87 Roundtrip, found 9 hours ago
$87
Roundtrip
found 9 hours ago
Select Breeze Airways flight, departing Mon, Mar 23 from Washington to Tri-Cities, returning Fri, Mar 27, priced at $87 found 9 hours ago
Breeze Airways
Fri, Jan 16 - Mon, Jan 19
IAD
Washington
TRI
Tri-Cities
$92 Roundtrip, found 22 hours ago
$92
Roundtrip
found 22 hours ago
Select Breeze Airways flight, departing Fri, Jan 16 from Washington to Tri-Cities, returning Mon, Jan 19, priced at $92 found 22 hours ago
Breeze Airways
Fri, Jan 16 - Mon, Jan 19
MCO
Orlando
TRI
Tri-Cities
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Fri, Jan 16 from Orlando to Tri-Cities, returning Mon, Jan 19, priced at $102 found 1 hour ago
United
Sat, Mar 7 - Wed, Mar 11
IAD
Washington
TYS
Knoxville
$139 Roundtrip, found 2 days ago
$139
Roundtrip
found 2 days ago
Select United flight, departing Sat, Mar 7 from Washington to Knoxville, returning Wed, Mar 11, priced at $139 found 2 days ago
Frontier Airlines
Fri, Feb 6 - Mon, Feb 9
ONT
Ontario
TYS
Knoxville
$148 Roundtrip, found 3 hours ago
$148
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Feb 6 from Ontario to Knoxville, returning Mon, Feb 9, priced at $148 found 3 hours ago
Frontier Airlines
Sun, Feb 8 - Thu, Feb 12
TPA
Tampa
TYS
Knoxville
$155 Roundtrip, found 9 hours ago
$155
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sun, Feb 8 from Tampa to Knoxville, returning Thu, Feb 12, priced at $155 found 9 hours ago
Frontier Airlines
Fri, Jan 23 - Mon, Jan 26
LAX
Los Angeles
TYS
Knoxville
$158 Roundtrip, just found
$158
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jan 23 from Los Angeles to Knoxville, returning Mon, Jan 26, priced at $158 just found
Delta
Wed, Feb 4 - Tue, Feb 10
IAD
Washington
TYS
Knoxville
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Feb 4 from Washington to Knoxville, returning Tue, Feb 10, priced at $159 found 1 day ago
American Airlines
Fri, Feb 6 - Tue, Feb 10
MCO
Orlando
TYS
Knoxville
$172 Roundtrip, found 2 days ago
$172
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Feb 6 from Orlando to Knoxville, returning Tue, Feb 10, priced at $172 found 2 days ago

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Knox County Flights Information

Airlines serving
Breeze Airways, Frontier Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
from $82

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 $82. 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 $82 and $172. Many lucky travelers scored one-way tickets from Washington (IAD) for as low as $41.
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 $82 and $172. 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.

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.

Breeze Airways
Fri, Jan 16 - Mon, Jan 19
MCO
Orlando
TRI
Tri-Cities
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Fri, Jan 16 from Orlando to Tri-Cities, returning Mon, Jan 19, priced at $102 found 1 hour ago
*Available to One Key members.