$98+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Apr 24 — May 11
Round-trip
1 adult, Economy
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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 May, booked 53 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
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 March 25, 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 March 25, 2026.
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com 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 3/23![Allegiant Air logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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
Mon 5/181:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 3/24![Allegiant Air logo]()
$209
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:40 pm
LAS
- TYS
1 stop9h 20m
Southwest
Fri 5/156:45 pm
TYS
- LAS
1 stop8h 10m
Southwest
Deal found 3/23![Southwest logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 3/21. 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
Fri 5/292:40 pm
TYS
- LAS
Nonstop4h 19m
Allegiant Air
Deal found 3/21![Allegiant Air logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 5/114:04 pm
LAS
- TYS
Nonstop3h 47m
Multiple Airlines
Fri 5/151:15 pm
TYS
- LAS
1 stop24h 59m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 6/212:29 am
LAS
- TYS
1 stop16h 04m
Multiple Airlines
Mon 6/82:46 pm
TYS
- LAS
Nonstop4h 08m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:15 am
LAS
- TYS
1 stop5h 25m
Southwest
Tue 4/285:50 pm
TYS
- LAS
1 stop8h 20m
Southwest
Deal found 3/21![Southwest logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 5/311:59 pm
LAS
- TYS
1 stop7h 27m
American Airlines
Wed 5/64:09 pm
TYS
- LAS
1 stop9h 36m
American Airlines
Deal found 3/24![American Airlines logo]()
$297
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 3/21![Allegiant Air logo]()
$298
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 March 25, 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 March 25, 2026.
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/1812:55 pm
LAS
- TYS
1 stop6h 39m
United Airlines
Sat 4/2511:40 am
TYS
- LAS
1 stop8h 09m
United Airlines
Deal found 3/20![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/22. 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 5/226:00 am
LAS
- TYS
1 stop5h 33m
Delta
Wed 5/273:05 pm
TYS
- LAS
1 stop9h 18m
Delta
Deal found 3/22![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 4/2610:28 pm
LAS
- TYS
2 stops16h 02m
Multiple Airlines
Sun 5/38:00 am
TYS
- LAS
1 stop15h 32m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
LAS
- TYS
2 stops9h 30m
Southwest
Sat 4/256:40 am
TYS
- LAS
2 stops8h 00m
Southwest
Deal found 3/20![Southwest logo]()
$502
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/2211:30 pm
LAS
- TYS
1 stop7h 35m
United Airlines
Wed 5/275:57 pm
TYS
- LAS
1 stop8h 56m
United Airlines
Deal found 3/23![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 3/23. 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 6/156:10 pm
LAS
- TYS
2 stops13h 32m
United Airlines
Sat 6/205:57 pm
TYS
- LAS
1 stop6h 57m
United Airlines
Deal found 3/23![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 3/22. 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.
Thu 4/212:55 am
LAS
- TYS
1 stop7h 22m
Delta
Wed 4/85:40 am
TYS
- LAS
1 stop6h 17m
Delta
Deal found 3/22![Delta logo]()
$532
This United Airlines deal was found by Cheapflights users on 3/21. 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 5/17:07 pm
LAS
- TYS
2 stops12h 42m
United Airlines
Mon 5/116:01 pm
TYS
- LAS
1 stop8h 58m
United Airlines
Deal found 3/21![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/176:41 pm
LAS
- TYS
2 stops13h 09m
United Airlines
Mon 4/201:52 pm
TYS
- LAS
2 stops9h 46m
United Airlines
Deal found 3/23![United Airlines logo]()
$506
Last-minute flights from Las Vegas to KnoxvilleDiscover last-minute flight deals from Las Vegas to Knoxville. Data last updated March 25, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Knoxville. Data last updated March 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Wed 4/112:59 am
LAS
- TYS
2 stops18h 44m
Multiple Airlines
Sat 4/49:00 am
TYS
- LAS
1 stop17h 44m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Wed 4/111:59 pm
LAS
- TYS
2 stops19h 44m
Multiple Airlines
Fri 4/32:19 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/34:40 pm
LAS
- TYS
Nonstop3h 47m
Multiple Airlines
Sun 4/54:01 pm
TYS
- LAS
3 stops21h 24m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/63:54 pm
LAS
- TYS
Nonstop3h 47m
Multiple Airlines
Wed 4/84:25 pm
TYS
- LAS
1 stop10h 24m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 4/812:03 pm
LAS
- TYS
1 stop7h 21m
American Airlines
Tue 4/146:00 am
TYS
- LAS
1 stop7h 32m
American Airlines
Deal found 3/23![American Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/1812:55 pm
LAS
- TYS
1 stop6h 39m
United Airlines
Sat 4/2511:40 am
TYS
- LAS
1 stop8h 09m
United Airlines
Deal found 3/20![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:45 am
LAS
- TYS
2 stops7h 45m
Southwest
Sat 4/255:40 pm
TYS
- LAS
1 stop8h 10m
Southwest
Deal found 3/20![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:15 am
LAS
- TYS
1 stop5h 25m
Southwest
Tue 4/285:50 pm
TYS
- LAS
1 stop8h 20m
Southwest
Deal found 3/21![Southwest logo]()
$291
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 March 25, 2026.
Search for one-way flight options from Las Vegas to Knoxville. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 5/65:45 am
LAS
- TYS
1 stop6h 34m
American Airlines
Deal found 3/24![American Airlines logo]()
$98
This Frontier deal was found by Cheapflights users on 3/20. 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.
Mon 4/136:00 am
LAS
- TYS
1 stop6h 28m
Frontier
Deal found 3/20![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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 3/24![Allegiant Air logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 3/20![Allegiant Air logo]()
$124
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/2411:41 pm
LAS
- TYS
1 stop8h 34m
American Airlines
Deal found 3/24![American Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 3/24![Allegiant Air logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 7/37:00 am
LAS
- TYS
Nonstop3h 57m
Allegiant Air
Deal found 3/21![Allegiant Air logo]()
$144
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 5/28:00 am
LAS
- TYS
1 stop7h 11m
United Airlines
Deal found 3/20![United Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/712:59 am
LAS
- TYS
2 stops35h 42m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$150
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:30 am
LAS
- TYS
2 stops9h 05m
Southwest
Deal found 3/20![Southwest logo]()
$151
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 March 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $192 (Booking.com) |
One-way from | $98 (American Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $494 |
Good round-trip deal | $238 or less |
Good one-way deal | $194 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 March 25, 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
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Sat 4/18
12:55 pm-10:34 pm
1 stop6h 39m
Knoxville McGhee Tyson
Sat 4/25
11:40 am-4:49 pm
1 stop8h 09m
$319
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Fri 5/22
6:00 am-2:33 pm
1 stop5h 33m
Knoxville McGhee Tyson
Wed 5/27
3:05 pm-9:23 pm
1 stop9h 18m
$379
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Fri 5/22
11:30 pm-10:05 am
1 stop7h 35m
Knoxville McGhee Tyson
Wed 5/27
5:57 pm-11:53 pm
1 stop8h 56m
$444
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Mon 6/15
6:10 pm-10:42 am
2 stops13h 32m
Knoxville McGhee Tyson
Sat 6/20
5:57 pm-9:54 pm
1 stop6h 57m
$450
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Sun 4/26
10:28 pm-5:30 pm
2 stops16h 02m
Knoxville McGhee Tyson
Sun 5/3
8:00 am-8:32 pm
1 stop15h 32m
$458
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Sat 4/18
6:00 am-6:30 pm
2 stops9h 30m
Knoxville McGhee Tyson
Sat 4/25
6:40 am-11:40 am
2 stops8h 00m
$502
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Fri 5/1
7:07 pm-10:49 am
2 stops12h 42m
Knoxville McGhee Tyson
Mon 5/11
6:01 pm-11:59 pm
1 stop8h 58m
$504
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Fri 4/17
6:41 pm-10:50 am
2 stops13h 09m
Knoxville McGhee Tyson
Mon 4/20
1:52 pm-8:38 pm
2 stops9h 46m
$506
Quickest round-trip
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Thu 4/2
12:55 am-11:17 am
1 stop7h 22m
Knoxville McGhee Tyson
Wed 4/8
5:40 am-8:57 am
1 stop6h 17m
$532
Cheapest one-way
Las VegasKnoxville
LAS - TYS
LASTYS
Las Vegas Harry Reid Intl
Mon 4/13
6:00 am-3:28 pm
1 stop6h 28m
$105
Showing 1-10 of 17 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 March.
| 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 March 13, 2026.
The best time to book flights from Las Vegas to Knoxville is 53 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, September is the cheapest month in which you can book a flight from Las Vegas to Knoxville (average of $79). Flying from Las Vegas to Knoxville in November is currently the most expensive (average of $187). 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 March 25, 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 March 25, 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.
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
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?
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Crossville
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Top 4 airlines flying from Las Vegas to Knoxville
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$241 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$179 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$414 | FlexibilityNo cancel fee | On-time69% |