$359+ Cheap flights from Lexington to Knoxville (LEX - TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — TYS
Oct 13 — Oct 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Lexington to Knoxville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Lexington to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Lexington to KnoxvilleExplore the most affordable flight options available from Lexington to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Lexington to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:20 am -
1 stop6h 30m
Tue 10/139:00 am -
1 stop25h 55m
Deal found 9/8![Allegiant Air logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:40 pm -
1 stop15h 24m
Mon 9/287:04 pm -
1 stop14h 55m
Deal found 9/9![Allegiant Air logo]()
$481
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:23 am -
1 stop7h 07m
Sun 9/1310:56 am -
1 stop6h 33m
Deal found 9/10![American Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:11 am -
2 stops24h 26m
Tue 10/1310:42 am -
1 stop13h 13m
Deal found 9/8![United Airlines logo]()
$766
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:18 pm -
1 stop3h 32m
Tue 9/297:18 pm -
1 stop3h 41m
Deal found 9/10![American Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:11 am -
1 stop10h 38m
Mon 9/281:35 pm -
2 stops23h 46m
Deal found 9/9![United Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:50 am -
1 stop24h 55m
Tue 9/295:45 am -
2 stops18h 10m
Deal found 9/10![United Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:57 pm -
1 stop15h 57m
Sun 9/135:45 am -
2 stops18h 20m
Deal found 9/10![United Airlines logo]()
$1,046
Best flights from Lexington to KnoxvilleDiscover carefully curated flight deals from Lexington to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Lexington to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:20 am -
1 stop6h 30m
Tue 10/139:00 am -
1 stop25h 55m
Deal found 9/8![Allegiant Air logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:05 pm -
2 stops16h 32m
Tue 10/135:45 am -
2 stops14h 43m
Deal found 9/8![United Airlines logo]()
$805
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:40 pm -
1 stop15h 24m
Mon 9/287:04 pm -
1 stop14h 55m
Deal found 9/9![Allegiant Air logo]()
$481
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:11 am -
1 stop10h 38m
Mon 9/281:35 pm -
2 stops23h 46m
Deal found 9/9![United Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Fri 9/258:50 am -
1 stop24h 55m
Tue 9/295:45 am -
2 stops18h 10m
Deal found 9/10![United Airlines logo]()
$879
Last-minute flights from Lexington to KnoxvilleDiscover last-minute flight deals from Lexington to Knoxville. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Lexington to Knoxville. Data last updated September 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:23 am -
1 stop7h 07m
Sun 9/1310:56 am -
1 stop6h 33m
Deal found 9/10![American Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:57 pm -
1 stop15h 57m
Sun 9/135:45 am -
2 stops18h 20m
Deal found 9/10![United Airlines logo]()
$1,046
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:40 pm -
1 stop15h 24m
Mon 9/287:04 pm -
1 stop14h 55m
Deal found 9/9![Allegiant Air logo]()
$481
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:11 am -
1 stop10h 38m
Mon 9/281:35 pm -
2 stops23h 46m
Deal found 9/9![United Airlines logo]()
$822
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:18 pm -
1 stop3h 32m
Tue 9/297:18 pm -
1 stop3h 41m
Deal found 9/10![American Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:50 am -
1 stop24h 55m
Tue 9/295:45 am -
2 stops18h 10m
Deal found 9/10![United Airlines logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:20 am -
1 stop6h 30m
Tue 10/139:00 am -
1 stop25h 55m
Deal found 9/8![Allegiant Air logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:11 am -
2 stops24h 26m
Tue 10/1310:42 am -
1 stop13h 13m
Deal found 9/8![United Airlines logo]()
$766
One-way flights from Lexington to KnoxvilleSearch for one-way flight options from Lexington to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Lexington to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:43 am -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:57 pm -
2 stops10h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$718
Find flight deals from Lexington to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Lexington to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Lexington to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Tue 10/6
11:20 am-5:50 pm
1 stop6h 30m
Knoxville McGhee Tyson
Tue 10/13
9:00 am-10:55 am
1 stop25h 55m
$359
Quickest round-trip
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Mon 9/21
11:43 am-5:31 pm
1 stop5h 48m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$403
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Thu 9/24
6:40 pm-10:04 am
1 stop15h 24m
Knoxville McGhee Tyson
Mon 9/28
7:04 pm-9:59 am
1 stop14h 55m
$481
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Mon 9/21
1:57 pm-11:59 pm
2 stops10h 02m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$718
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Tue 10/6
6:05 pm-10:37 am
2 stops16h 32m
Knoxville McGhee Tyson
Tue 10/13
5:45 am-8:28 pm
2 stops14h 43m
$805
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Thu 9/24
10:11 am-8:49 pm
1 stop10h 38m
Knoxville McGhee Tyson
Mon 9/28
1:35 pm-1:21 pm
2 stops23h 46m
$822
LexingtonKnoxville
LEX Lexington Blue Grass - TYS Knoxville McGhee Tyson
LEXTYS
Lexington Blue Grass
Fri 9/25
8:50 am-9:45 am
1 stop24h 55m
Knoxville McGhee Tyson
Tue 9/29
5:45 am-11:55 pm
2 stops18h 10m
$879
Sorted by cheapest first
Compare providers for flights from Lexington to Knoxville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lexington to Knoxville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Lexington-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lexington-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lexington-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Lexington to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Lexington with our price prediction graph.
LEX-TYS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Lexington to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Knoxville flight routes
Other flight options
Other flights from Lexington
Popular flights