$80+ Cheap flights from Las Vegas to Knoxville (LAS - TYS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
May 18 — May 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Las Vegas 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.Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson are usually found in January or September, booked 22 days in advance, depart on a Wednesday or Thursday and return on a Monday
Cheap flight deals from Las Vegas to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Las Vegas to KnoxvilleExplore the most affordable flight options available from Las Vegas to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from Las Vegas to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This WAYA deal was found by Cheapflights users on 4/14. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:30 am
LAS
- TYS
1 stop8h 03m
Multiple Airlines
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Allegiant Air
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:43 pm
LAS
- TYS
Nonstop3h 58m
Allegiant Air
Fri 8/2812:49 pm
TYS
- LAS
Nonstop4h 04m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/14![Allegiant Air logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/78:59 pm
LAS
- TYS
1 stop19h 34m
Multiple Airlines
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$215
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Mon 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/13![Allegiant Air logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Multiple Airlines
Wed 5/611:26 am
TYS
- LAS
2 stops22h 44m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/712:29 am
LAS
- TYS
2 stops18h 19m
Multiple Airlines
Mon 5/118:32 pm
TYS
- LAS
1 stop18h 03m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Allegiant Air
Sat 5/91:59 pm
TYS
- LAS
1 stop12h 45m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 7/247:00 am
LAS
- TYS
Nonstop3h 57m
Allegiant Air
Mon 7/272:47 pm
TYS
- LAS
Nonstop4h 07m
Allegiant Air
Deal found 4/16![Allegiant Air logo]()
$242
Best flights from Las Vegas to KnoxvilleDiscover carefully curated flight deals from Las Vegas to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from Las Vegas to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This United Airlines deal was found by Cheapflights users on 4/13. 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 7/1311:30 pm
LAS
- TYS
1 stop7h 03m
United Airlines
Fri 7/174:56 pm
TYS
- LAS
1 stop6h 12m
United Airlines
Deal found 4/13![United Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:59 am
LAS
- TYS
2 stops8h 31m
Alaska Airlines
Wed 7/2911:43 am
TYS
- LAS
2 stops9h 58m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:15 pm
LAS
- TYS
1 stop7h 49m
Delta
Fri 6/123:59 pm
TYS
- LAS
1 stop7h 22m
Delta
Deal found 4/14![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 4/16. 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 8/2811:54 pm
LAS
- TYS
1 stop7h 42m
United Airlines
Mon 8/314:56 pm
TYS
- LAS
1 stop6h 40m
United Airlines
Deal found 4/16![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 4/13. 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 6/298:31 pm
LAS
- TYS
2 stops10h 02m
United Airlines
Thu 7/24:56 pm
TYS
- LAS
2 stops10h 25m
United Airlines
Deal found 4/13![United Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:00 am
LAS
- TYS
2 stops12h 56m
Alaska Airlines
Fri 5/84:09 pm
TYS
- LAS
2 stops10h 04m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 4/13. 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 8/276:03 pm
LAS
- TYS
2 stops13h 33m
United Airlines
Sun 8/304:56 pm
TYS
- LAS
1 stop6h 40m
United Airlines
Deal found 4/13![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 4/13. 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 6/28:31 pm
LAS
- TYS
2 stops11h 11m
United Airlines
Sun 6/144:56 pm
TYS
- LAS
1 stop6h 12m
United Airlines
Deal found 4/13![United Airlines logo]()
$604
Last-minute flights from Las Vegas to KnoxvilleDiscover last-minute flight deals from Las Vegas to Knoxville. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Knoxville. Data last updated April 18, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Mon 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/13![Allegiant Air logo]()
$232
This Priceline deal was found by Cheapflights users on 4/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
LAS
- TYS
1 stop6h 33m
Frontier
Sun 4/264:28 pm
TYS
- LAS
1 stop10h 08m
Frontier
Deal found 4/14![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Allegiant Air
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Multiple Airlines
Wed 5/611:26 am
TYS
- LAS
2 stops22h 44m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Allegiant Air
Sat 5/91:59 pm
TYS
- LAS
1 stop12h 45m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Mon 5/111:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/13![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/78:59 pm
LAS
- TYS
1 stop19h 34m
Multiple Airlines
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/712:29 am
LAS
- TYS
2 stops18h 19m
Multiple Airlines
Mon 5/118:32 pm
TYS
- LAS
1 stop18h 03m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$237
This WAYA deal was found by Cheapflights users on 4/14. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:30 am
LAS
- TYS
1 stop8h 03m
Multiple Airlines
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/14![Allegiant Air logo]()
$202
One-way flights from Las Vegas to KnoxvilleSearch for one-way flight options from Las Vegas to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Las Vegas to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:30 am
LAS
- TYS
1 stop8h 03m
Frontier
Deal found 4/14![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:59 pm
LAS
- TYS
1 stop14h 00m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/13![Allegiant Air logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Fri 5/111:44 pm
LAS
- TYS
1 stop15h 19m
Allegiant Air
Deal found 4/14![Allegiant Air logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/238:59 pm
LAS
- TYS
1 stop14h 00m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/1511:44 pm
LAS
- TYS
1 stop15h 19m
Allegiant Air
Deal found 4/17![Allegiant Air logo]()
$118
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
LAS
- TYS
1 stop6h 33m
Frontier
Deal found 4/14![Frontier logo]()
$124
Find flight deals from Las Vegas to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (WAYA) |
One-way from | $80 (Frontier) |
Popular in | March |
Cheapest in | January |
Average price | $365 |
Good round-trip deal | $210 or less |
Good one-way deal | $192 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas 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 2,558,603 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Las Vegas to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Mon 7/13
11:30 pm-9:33 am
1 stop7h 03m
Knoxville McGhee Tyson
Fri 7/17
4:56 pm-8:08 pm
1 stop6h 12m
$427
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Fri 8/28
11:54 pm-10:36 am
1 stop7h 42m
Knoxville McGhee Tyson
Mon 8/31
4:56 pm-8:36 pm
1 stop6h 40m
$499
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Mon 6/29
8:31 pm-9:33 am
2 stops10h 02m
Knoxville McGhee Tyson
Thu 7/2
4:56 pm-12:21 am
2 stops10h 25m
$509
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Sat 7/25
7:59 am-7:30 pm
2 stops8h 31m
Knoxville McGhee Tyson
Wed 7/29
11:43 am-6:41 pm
2 stops9h 58m
$525
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Fri 6/5
11:15 pm-10:04 am
1 stop7h 49m
Knoxville McGhee Tyson
Fri 6/12
3:59 pm-8:21 pm
1 stop7h 22m
$529
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Thu 8/27
6:03 pm-10:36 am
2 stops13h 33m
Knoxville McGhee Tyson
Sun 8/30
4:56 pm-8:36 pm
1 stop6h 40m
$533
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Sat 5/2
8:00 am-11:56 pm
2 stops12h 56m
Knoxville McGhee Tyson
Fri 5/8
4:09 pm-11:13 pm
2 stops10h 04m
$561
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Tue 6/2
8:31 pm-10:42 am
2 stops11h 11m
Knoxville McGhee Tyson
Sun 6/14
4:56 pm-8:08 pm
1 stop6h 12m
$604
Cheapest one-way
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Tue 5/26
11:15 pm-10:21 am
1 stop8h 06m
$146
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Wed 9/23
10:40 am-8:48 pm
1 stop7h 08m
$146
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Las Vegas 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 Las Vegas to Knoxville in April.
| 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 Las Vegas-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-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 Las Vegas-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 Las Vegas to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Las Vegas with our price prediction graph.
LAS-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.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to Knoxville
How far ahead should I book a flight from Las Vegas to Knoxville?
Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Knoxville. Price data was last updated on April 10, 2026.
The best time to book flights from Las Vegas to Knoxville is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Las Vegas to Knoxville?
Currently, January is the cheapest month in which you can book a flight from Las Vegas to Knoxville (average of $239). Flying from Las Vegas to Knoxville in March is currently the most expensive (average of $499). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LAS to TYS?
Find hourly flight availability from Las Vegas to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 18, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Knoxville as you normally would.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated April 18, 2026.
Read through reviews of airlines operating flights from Las Vegas to Knoxville, such as Delta,United Airlines, andAllegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Las Vegas 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
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge
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 Las Vegas
Popular flights
Alternative routes for Las Vegas to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Las Vegas to Knoxville by cabin class
Find flights from Las Vegas to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Las Vegas and Knoxville flights
Browse other Las Vegas and Knoxville flight options. Last updated on April 18, 2026.
Other flights from Las Vegas
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Las Vegas to Knoxville
Discover the top 4 airlines that operate flights from Las Vegas to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$249 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$145 | Average$354 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$414 | FlexibilityNo cancel fee | On-time69% |