Flight to Knox County

View S$289 flight on Sun, 15 Feb, 2026Opens in a new window

Popular airlines to Knox County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • British Airways

    British Airways

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Cheap round-trip flights to Knox County

Prices were available within the past 7 days and start at S$289 for one-way flights and S$341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$341 Return, found 1 day ago
S$341
Return
found 1 day ago
Select United flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$341 found 1 day ago
United
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$380 Return, found 1 day ago
S$380
Return
found 1 day ago
Select United flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$380 found 1 day ago
United
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$400 Return, found 1 day ago
S$400
Return
found 1 day ago
Select United flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$400 found 1 day ago
United
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$432 Return, found 1 day ago
S$432
Return
found 1 day ago
Select United flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$432 found 1 day ago
United
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$438 Return, found 1 day ago
S$438
Return
found 1 day ago
Select United flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$438 found 1 day ago
United
Sun, 15 Feb - Sun, 22 Feb
IAD
Washington
TYS
Knoxville
S$451 Return, found 1 hour ago
S$451
Return
found 1 hour ago
Select United flight, departing Sun, 15 Feb from Washington to Knoxville, returning Sun, 22 Feb, priced at S$451 found 1 hour ago
United
Sun, 15 Feb - Sun, 22 Feb
IAD
Washington
TYS
Knoxville
S$464 Return, found 1 hour ago
S$464
Return
found 1 hour ago
Select United flight, departing Sun, 15 Feb from Washington to Knoxville, returning Sun, 22 Feb, priced at S$464 found 1 hour ago
United
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$470 Return, found 1 day ago
S$470
Return
found 1 day ago
Select United flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$470 found 1 day ago
American Airlines
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$516 Return, found 1 day ago
S$516
Return
found 1 day ago
Select American Airlines flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$516 found 1 day ago
Delta
Thu, 12 Feb - Sun, 15 Feb
IAD
Washington
TYS
Knoxville
S$567 Return, found 1 day ago
S$567
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Feb from Washington to Knoxville, returning Sun, 15 Feb, priced at S$567 found 1 day ago
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.

Knox County Flights Information

Airlines serving
Delta, United, American Airlines
Roundtrip price
from S$341

Frequently asked questions

How do I find cheap flights to Knox County that have flexible change policies?
Search for your affordable fares to Knox County, then check the "No change fee" box directly under the "Flexible change policies" filter. It really is that easy. We get that travel plans can change and flexibility is important, so you can book with confidence with Expedia.
Which airlines fly to Knox County?
When you're ready to lock in your ticket to or near Knox County, these quality airlines are waiting to welcome you on board:

  • American Airlines - 585 flights to or near Knox County each month, including 585 flights to McGhee Tyson Airport (TYS) per month.
  • United Airlines - 329 flights to or near Knox County each month, including 329 flights to McGhee Tyson Airport (TYS) per month.
  • Delta Air Lines - 320 flights to or near Knox County each month, including 320 flights to McGhee Tyson Airport (TYS) per month.

How can I find cheap tickets to Knox County?
Start searching as early as possible, travel on a cheaper day, use frequent flyer miles — there are plenty of ways! One more is to make use of Expedia's "flexible dates" feature. Search for a Knox County flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to Knox County was S$341.
How much is a flight to Knox County?
One-way flights departing from Washington (IAD) sold for as low as S$289 in the last seven days. During this period, the price of a round-trip fare to Knox County ranged between S$341 and S$567. If you find a bargain, book as fast as you can — these prices don't stick around for long.
What are the most popular airports to fly into in Knox County?
Jet into McGhee Tyson Airport (TYS) and enjoy all that Knox County has to offer. As the region's main entry point, about 1,478 flights land here each month.
When is the cheapest time to fly to Knox County?
If you're not fixed on your travel dates to Knox County, leave earlier in the week. The most affordable day to take off is normally Tuesday, closely followed by Monday. Saturday is typically the priciest day, with many people choosing to take off on the weekend.
How much is a plane ticket to Knox County?
Flights to Knox County ranged from S$341 to S$567 in the last seven days. Normally, the sooner you make a reservation, the bigger the bargain.
What is the best time to go to Knox County?
A popular time to discover Knox County, as well as the renowned city of Knoxville, is during the lively months of March, May and July. Summer here begins June 20, and you can look forward to average temperatures of between 18ºC and 32ºC if you visit then. This warmer weather is ideal for wandering around this city's attractions.
What months are the cheapest to book a flight to Knox County?
The best month to snare a terrific deal to Knox County is February, whereas the most expensive is December. Steer clear of this month if you're counting your pennies.
*Available to Expedia members.