$84+ Cheap flights from Knoxville to Las Vegas (TYS - LAS)
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.
TYS — LAS
May 28 — Jun 41
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Las Vegas 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 Knoxville McGhee Tyson to Las Vegas Harry Reid Intl are usually found in January or August, booked 55 days in advance, depart on a Monday or Saturday and return on a Wednesday
Cheap flight deals from Knoxville to Las Vegas
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Best
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Cheapest flights from Knoxville to Las VegasExplore the most affordable flight options available from Knoxville to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
Explore the most affordable flight options available from Knoxville to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 10/199:59 pm
TYS
- LAS
Nonstop4h 18m
Allegiant Air
Fri 10/232:57 pm
LAS
- TYS
Nonstop3h 52m
Allegiant Air
Deal found 4/24![Allegiant Air logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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.
Mon 8/102:47 pm
TYS
- LAS
Nonstop4h 19m
Allegiant Air
Mon 8/177:00 am
LAS
- TYS
Nonstop3h 57m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Sat 5/238:59 pm
LAS
- TYS
1 stop14h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Allegiant Air
Sun 10/251:45 pm
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$213
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 9/216:30 am
TYS
- LAS
Nonstop4h 14m
Allegiant Air
Fri 9/259:04 am
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 4/24![Allegiant Air logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sat 8/15:59 pm
TYS
- LAS
1 stop8h 40m
Allegiant Air
Fri 8/77:00 am
LAS
- TYS
Nonstop3h 57m
Allegiant Air
Deal found 4/24![Allegiant Air logo]()
$226
This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:32 pm
TYS
- LAS
1 stop13h 38m
Frontier
Fri 6/196:15 am
LAS
- TYS
1 stop10h 22m
Frontier
Deal found 4/23![Frontier logo]()
$230
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 8/155:57 pm
TYS
- LAS
1 stop7h 20m
United Airlines
Sat 8/2210:40 am
LAS
- TYS
1 stop7h 08m
United Airlines
Deal found 4/23![United Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Allegiant Air
Mon 10/262:00 pm
LAS
- TYS
Nonstop3h 52m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$234
Best flights from Knoxville to Las VegasDiscover carefully curated flight deals from Knoxville to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Knoxville to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:57 pm
TYS
- LAS
1 stop7h 02m
United Airlines
Sat 7/47:00 am
LAS
- TYS
1 stop6h 51m
United Airlines
Deal found 4/26![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:59 pm
TYS
- LAS
1 stop7h 22m
Delta
Wed 6/246:00 am
LAS
- TYS
1 stop5h 49m
Delta
Deal found 4/23![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:30 am
TYS
- LAS
1 stop6h 30m
Delta
Mon 10/1210:10 pm
LAS
- TYS
1 stop9h 04m
Delta
Deal found 4/24![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/25. 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 7/218:20 am
TYS
- LAS
1 stop7h 41m
United Airlines
Tue 7/288:31 pm
LAS
- TYS
2 stops10h 02m
United Airlines
Deal found 4/25![United Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:45 am
TYS
- LAS
2 stops10h 28m
United Airlines
Tue 8/1811:45 am
LAS
- TYS
1 stop7h 53m
United Airlines
Deal found 4/24![United Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 4/27. 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.
Sat 5/95:35 pm
TYS
- LAS
1 stop8h 35m
Delta
Sat 5/1611:18 am
LAS
- TYS
1 stop7h 07m
Delta
Deal found 4/27![Delta logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Wed 10/78:30 am
TYS
- LAS
2 stops9h 48m
United Airlines
Mon 10/1211:55 pm
LAS
- TYS
1 stop7h 41m
United Airlines
Deal found 4/25![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Fri 8/145:45 am
TYS
- LAS
2 stops15h 39m
United Airlines
Tue 8/188:00 am
LAS
- TYS
2 stops11h 38m
United Airlines
Deal found 4/25![United Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:15 pm
TYS
- LAS
1 stop8h 03m
Delta
Fri 10/1610:10 pm
LAS
- TYS
1 stop9h 04m
Delta
Deal found 4/23![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:20 am
TYS
- LAS
2 stops11h 46m
United Airlines
Mon 7/138:31 pm
LAS
- TYS
2 stops11h 11m
United Airlines
Deal found 4/24![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:57 pm
TYS
- LAS
1 stop8h 56m
United Airlines
Mon 6/86:10 pm
LAS
- TYS
2 stops13h 32m
United Airlines
Deal found 4/27![United Airlines logo]()
$507
Last-minute flights from Knoxville to Las VegasDiscover last-minute flight deals from Knoxville to Las Vegas. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Las Vegas. Data last updated April 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/81:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$264
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:32 pm
TYS
- LAS
1 stop26h 31m
Frontier
Mon 5/116:30 am
LAS
- TYS
1 stop10h 03m
Frontier
Deal found 4/26![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sat 5/91:59 pm
TYS
- LAS
1 stop12h 45m
Allegiant Air
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$261
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:32 pm
TYS
- LAS
1 stop26h 31m
Frontier
Fri 5/158:30 am
LAS
- TYS
1 stop8h 03m
Frontier
Deal found 4/24![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Mon 5/111:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$276
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Sat 5/238:59 pm
LAS
- TYS
1 stop14h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/151:15 pm
TYS
- LAS
1 stop10h 32m
Multiple Airlines
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$278
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:19 pm
TYS
- LAS
1 stop20h 25m
Frontier
Sun 5/3112:29 am
LAS
- TYS
1 stop16h 04m
Frontier
Deal found 4/23![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
TYS
- LAS
1 stop20h 39m
Multiple Airlines
Mon 6/86:30 am
LAS
- TYS
1 stop10h 03m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$274
One-way flights from Knoxville to Las VegasSearch for one-way flight options from Knoxville to Las Vegas. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Knoxville to Las Vegas. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/151:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 4/23![Allegiant Air logo]()
$84
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 9/155:37 pm
TYS
- LAS
1 stop8h 48m
American Airlines
Deal found 4/23![American Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:32 pm
TYS
- LAS
1 stop20h 12m
Frontier
Deal found 4/25![Frontier logo]()
$105
This Orbitz deal was found by Cheapflights users on 4/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:19 pm
TYS
- LAS
1 stop20h 25m
Frontier
Deal found 4/26![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/152:46 pm
TYS
- LAS
Nonstop4h 08m
Allegiant Air
Deal found 4/23![Allegiant Air logo]()
$114
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:51 am
TYS
- LAS
1 stop8h 46m
Delta
Deal found 4/23![Delta logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/156:30 am
TYS
- LAS
1 stop9h 40m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$123
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:32 pm
TYS
- LAS
1 stop26h 57m
Frontier
Deal found 4/23![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/86:20 pm
TYS
- LAS
1 stop32h 24m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$128
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:32 pm
TYS
- LAS
1 stop26h 57m
Frontier
Deal found 4/26![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:47 pm
TYS
- LAS
Nonstop4h 07m
Allegiant Air
Deal found 4/23![Allegiant Air logo]()
$133
Find flight deals from Knoxville to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Las Vegas (LAS). 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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $183 (Cheapflightsfares) |
One-way from | $84 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $357 |
Good round-trip deal | $218 or less |
Good one-way deal | $69 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Las Vegas 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 28, 2026.
Use the filters below to find and compare flights from Knoxville to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Sat 6/27
5:57 pm-9:59 pm
1 stop7h 02m
Las Vegas Harry Reid Intl
Sat 7/4
7:00 am-4:51 pm
1 stop6h 51m
$291
Quickest round-trip
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 6/17
3:59 pm-8:21 pm
1 stop7h 22m
Las Vegas Harry Reid Intl
Wed 6/24
6:00 am-2:49 pm
1 stop5h 49m
$291
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 10/7
5:30 am-9:00 am
1 stop6h 30m
Las Vegas Harry Reid Intl
Mon 10/12
10:10 pm-10:14 am
1 stop9h 04m
$365
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Tue 7/21
8:20 am-1:01 pm
1 stop7h 41m
Las Vegas Harry Reid Intl
Tue 7/28
8:31 pm-9:33 am
2 stops10h 02m
$396
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Tue 8/11
5:45 am-1:13 pm
2 stops10h 28m
Las Vegas Harry Reid Intl
Tue 8/18
11:45 am-10:38 pm
1 stop7h 53m
$440
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 10/7
8:30 am-3:18 pm
2 stops9h 48m
Las Vegas Harry Reid Intl
Mon 10/12
11:55 pm-10:36 am
1 stop7h 41m
$450
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Fri 8/14
5:45 am-6:24 pm
2 stops15h 39m
Las Vegas Harry Reid Intl
Tue 8/18
8:00 am-10:38 pm
2 stops11h 38m
$455
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Sat 5/9
5:35 pm-11:10 pm
1 stop8h 35m
Las Vegas Harry Reid Intl
Sat 5/16
11:18 am-9:25 pm
1 stop7h 07m
$465
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 7/8
8:20 am-5:06 pm
2 stops11h 46m
Las Vegas Harry Reid Intl
Mon 7/13
8:31 pm-10:42 am
2 stops11h 11m
$499
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Fri 6/5
5:57 pm-11:53 pm
1 stop8h 56m
Las Vegas Harry Reid Intl
Mon 6/8
6:10 pm-10:42 am
2 stops13h 32m
$507
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Las Vegas
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 Knoxville to Las Vegas in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Knoxville-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Las Vegas 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 Knoxville-Las Vegas 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 Knoxville to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Knoxville with our price prediction graph.
TYS-LAS
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 Knoxville to Las Vegas
Prices
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How far ahead should I book a flight from Knoxville to Las Vegas?
To ensure you get the cheapest price possible for a flight from Knoxville to Las Vegas, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Knoxville to Las Vegas?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Las Vegas (average of $250). Flying from Knoxville to Las Vegas in June is currently the most expensive (average of $435). 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 TYS to LAS?
Find hourly flight availability from Knoxville to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2026.
It’s optimal to fly from Knoxville to Las Vegas in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.
What’s the top layover airport for flights from Knoxville to Las Vegas?
Share of 1-stop round-trip flights from Knoxville to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 75% of 1-stop itineraries from Knoxville to Las Vegas on Cheapflights.
What’s the cheapest layover airport for flights from Knoxville to Las Vegas?
Average round-trip fare for 1-stop flights from Knoxville to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $359.
What’s the fastest layover option from Knoxville to Las Vegas?
Shortest average travel time for 1-stop one-way flights from Knoxville to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 15m.
Which airport typically offers the quickest layover for flights from Knoxville to Las Vegas?
Average layover duration for 1-stop one-way flights from Knoxville to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 26m.
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated April 28, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAllegiant Air from Knoxville to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Las Vegas. 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 Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
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Other flights to Las Vegas
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Knoxville and Las Vegas flights
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Top 5 airlines flying from Knoxville to Las Vegas
Discover the top 5 airlines that operate flights from Knoxville to Las Vegas. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$315 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$123 | Average$260 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$163 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$251 | Average$429 | FlexibilityNo cancel fee | On-time71% |