$82+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Sep 29 — Oct 61
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 August, booked 26 days in advance, depart on a Wednesday or Tuesday 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 August 30, 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 August 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 10/22:22 pm -
Nonstop3h 52m
Mon 10/199:59 pm -
Nonstop4h 18m
Deal found 8/27![Allegiant Air logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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.
Thu 10/14:09 pm -
Nonstop3h 52m
Fri 10/1610:03 pm -
Nonstop4h 18m
Deal found 8/28![Allegiant Air logo]()
$161
This CheapOair deal was found by Cheapflights users on 8/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:57 pm -
Nonstop3h 52m
Mon 11/29:42 pm -
Nonstop4h 18m
Deal found 8/30![Allegiant Air logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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.
Thu 11/121:49 pm -
Nonstop3h 54m
Sun 11/158:43 pm -
Nonstop4h 15m
Deal found 8/29![Allegiant Air logo]()
$183
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:49 pm -
Nonstop3h 54m
Mon 11/1610:09 pm -
Nonstop4h 18m
Deal found 8/28![Allegiant Air logo]()
$184
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:45 pm -
Nonstop3h 54m
Sun 10/259:29 pm -
Nonstop4h 15m
Deal found 8/27![Allegiant Air logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/1211:08 am -
1 stop7h 58m
Mon 11/1610:09 pm -
Nonstop4h 18m
Deal found 8/28![Multiple Airlines logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Thu 9/1710:24 am -
Nonstop3h 54m
Mon 9/216:30 am -
Nonstop4h 14m
Deal found 8/27![Allegiant Air logo]()
$221
This WAYA deal was found by Cheapflights users on 8/29. 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.
Thu 11/1211:08 am -
1 stop7h 58m
Sun 11/158:43 pm -
Nonstop4h 15m
Deal found 8/29![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/17:30 am -
2 stops13h 09m
Fri 10/1610:03 pm -
Nonstop4h 18m
Deal found 8/28![Multiple Airlines logo]()
$233
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 August 30, 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 August 30, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 9/2910:01 pm -
1 stop8h 28m
Thu 10/82:38 pm -
1 stop8h 14m
Deal found 8/27![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 8/29. 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 10/2611:35 pm -
1 stop9h 45m
Fri 10/307:15 am -
2 stops8h 30m
Deal found 8/29![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/1311:43 pm -
1 stop7h 02m
Tue 10/201:55 pm -
2 stops12h 04m
Deal found 8/25![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/97:00 am -
2 stops12h 49m
Sat 9/129:45 am -
1 stop8h 14m
Deal found 8/28![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 8/29. 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.
Wed 11/49:15 am -
2 stops7h 30m
Mon 11/97:05 am -
2 stops7h 30m
Deal found 8/29![Southwest logo]()
$430
This Delta deal was found by Cheapflights users on 8/26. 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 10/910:34 pm -
1 stop8h 58m
Fri 10/166:23 pm -
1 stop6h 43m
Deal found 8/26![Delta logo]()
$443
This Southwest deal was found by Cheapflights users on 8/29. 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.
Wed 11/111:25 am -
2 stops7h 45m
Sun 11/157:05 am -
2 stops8h 55m
Deal found 8/29![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 8/29. 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 10/911:34 pm -
1 stop8h 05m
Mon 10/125:18 pm -
1 stop7h 06m
Deal found 8/29![Delta logo]()
$459
This Southwest deal was found by Cheapflights users on 8/29. 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 9/2912:20 am -
2 stops8h 45m
Wed 10/71:00 pm -
2 stops11h 50m
Deal found 8/29![Southwest logo]()
$454
Last-minute flights from Las Vegas to KnoxvilleDiscover last-minute flight deals from Las Vegas to Knoxville. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Knoxville. Data last updated August 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/28. 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.
Wed 9/96:00 am -
1 stop5h 40m
Sat 9/1211:45 am -
1 stop9h 15m
Deal found 8/28![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/912:46 pm -
1 stop25h 02m
Fri 9/119:15 am -
Nonstop4h 14m
Deal found 8/28![Multiple Airlines logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Thu 9/1710:24 am -
Nonstop3h 54m
Mon 9/216:30 am -
Nonstop4h 14m
Deal found 8/27![Allegiant Air logo]()
$221
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Thu 9/1710:24 am -
Nonstop3h 54m
Sun 9/208:20 am -
Nonstop4h 14m
Deal found 8/27![Allegiant Air logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1710:58 am -
1 stop8h 55m
Mon 9/216:30 am -
Nonstop4h 14m
Deal found 8/27![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1710:58 am -
1 stop8h 55m
Sun 9/208:20 am -
Nonstop4h 14m
Deal found 8/27![Multiple Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/26. 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 9/2311:31 am -
1 stop8h 51m
Fri 9/256:06 pm -
1 stop7h 23m
Deal found 8/26![American Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/2410:24 am -
Nonstop3h 54m
Sun 9/277:00 am -
1 stop28h 28m
Deal found 8/27![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/257:30 am -
2 stops26h 34m
Fri 10/210:04 pm -
Nonstop4h 18m
Deal found 8/26![Multiple Airlines logo]()
$333
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 August 30, 2026.
Search for one-way flight options from Las Vegas to Knoxville. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/291:45 pm -
Nonstop3h 54m
Deal found 8/29![Allegiant Air logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/22:22 pm -
Nonstop3h 52m
Deal found 8/29![Allegiant Air logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/14:09 pm -
Nonstop3h 52m
Deal found 8/29![Allegiant Air logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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 10/302:57 pm -
Nonstop3h 52m
Deal found 8/26![Allegiant Air logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/221:45 pm -
Nonstop3h 54m
Deal found 8/26![Allegiant Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/314:11 pm -
1 stop27h 59m
Deal found 8/29![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/1111:19 am -
Nonstop3h 54m
Deal found 8/29![Allegiant Air logo]()
$124
This Super.com deal was found by Cheapflights users on 8/27. 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 9/2410:24 am -
Nonstop3h 54m
Deal found 8/27![Allegiant Air logo]()
$125
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:57 pm -
Nonstop3h 52m
Deal found 8/26![Allegiant Air logo]()
$131
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 August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Cheapflightsfares) |
One-way from | $82 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $291 |
Good round-trip deal | $220 or less |
Good one-way deal | $90 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 7,457,451 searches. Data last updated August 30, 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 Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Tue 9/29
10:01 pm-9:29 am
1 stop8h 28m
Knoxville McGhee Tyson
Thu 10/8
2:38 pm-7:52 pm
1 stop8h 14m
$319
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Mon 10/26
11:35 pm-12:20 pm
1 stop9h 45m
Knoxville McGhee Tyson
Fri 10/30
7:15 am-12:45 pm
2 stops8h 30m
$410
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Tue 10/13
11:43 pm-9:45 am
1 stop7h 02m
Knoxville McGhee Tyson
Tue 10/20
1:55 pm-10:59 pm
2 stops12h 04m
$424
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Wed 9/9
7:00 am-10:49 pm
2 stops12h 49m
Knoxville McGhee Tyson
Sat 9/12
9:45 am-2:59 pm
1 stop8h 14m
$424
Quickest round-trip
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Wed 11/4
9:15 am-7:45 pm
2 stops7h 30m
Knoxville McGhee Tyson
Mon 11/9
7:05 am-11:35 am
2 stops7h 30m
$430
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Wed 11/11
1:25 am-12:10 pm
2 stops7h 45m
Knoxville McGhee Tyson
Sun 11/15
7:05 am-1:00 pm
2 stops8h 55m
$434
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Fri 10/9
10:34 pm-10:32 am
1 stop8h 58m
Knoxville McGhee Tyson
Fri 10/16
6:23 pm-10:06 pm
1 stop6h 43m
$443
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Tue 9/29
12:20 am-12:05 pm
2 stops8h 45m
Knoxville McGhee Tyson
Wed 10/7
1:00 pm-9:50 pm
2 stops11h 50m
$454
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Fri 10/9
11:34 pm-10:39 am
1 stop8h 05m
Knoxville McGhee Tyson
Mon 10/12
5:18 pm-9:24 pm
1 stop7h 06m
$459
Cheapest one-way
Quickest one-way
Las VegasKnoxville
LAS Las Vegas Harry Reid Intl - TYS Knoxville McGhee Tyson
LASTYS
Las Vegas Harry Reid Intl
Thu 10/1
4:09 pm-11:01 pm
Nonstop3h 52m
$96
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 August.
| 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?
The best time to book flights from Las Vegas to Knoxville is 25 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 August 30, 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 August 30, 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.
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - 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
Morristown
Bryson City
Murphy
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Alternative routes for Las Vegas to Knoxville
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Complete your trip
Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.
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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 August 30, 2026.
Las Vegas and Knoxville flights
Browse other Las Vegas and Knoxville flight options. Last updated on August 30, 2026.
Other flights from Las Vegas
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Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Las Vegas to Knoxville
Discover the top 5 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 7,457,451 searches. Data last updated August 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$333 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$286 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$250 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$470 | FlexibilityNo cancel fee | On-time69% |