$72+ Cheap flights from Knoxville to Las Vegas (TYS - LAS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LAS
Nov 20 — Nov 271
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 August or February, booked 55 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from Knoxville to Las Vegas
Cheapest
Best
Last-minute
One-way
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 October 21, 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 October 21, 2026.
This CheapOair deal was found by Cheapflights users on 10/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:15 pm -
Nonstop4h 30m
Fri 12/111:43 pm -
Nonstop3h 42m
Deal found 10/17![Allegiant Air logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/1610:09 pm -
Nonstop4h 18m
Fri 11/206:00 am -
Nonstop3h 42m
Deal found 10/19![Allegiant Air logo]()
$239
This WAYA deal was found by Cheapflights users on 10/19. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:09 pm -
Nonstop4h 18m
Mon 11/239:47 pm -
1 stop21h 19m
Deal found 10/19![Multiple Airlines logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:29 pm -
Nonstop4h 15m
Sun 11/11:45 pm -
Nonstop3h 54m
Deal found 10/20![Allegiant Air logo]()
$247
This CheapOair deal was found by Cheapflights users on 10/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:33 pm -
Nonstop4h 15m
Fri 11/63:37 pm -
Nonstop3h 58m
Deal found 10/19![Allegiant Air logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Sun 11/158:43 pm -
Nonstop4h 15m
Wed 11/186:55 am -
2 stops34h 21m
Deal found 10/16![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/158:43 pm -
Nonstop4h 15m
Fri 11/206:00 am -
Nonstop3h 42m
Deal found 10/19![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/1610:09 pm -
Nonstop4h 18m
Wed 11/1812:38 am -
2 stops15h 55m
Deal found 10/19![Multiple Airlines logo]()
$256
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:09 pm -
Nonstop4h 18m
Mon 11/236:00 am -
Nonstop3h 42m
Deal found 10/19![Allegiant Air logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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.
Thu 10/299:29 pm -
Nonstop4h 15m
Mon 11/22:00 pm -
Nonstop3h 52m
Deal found 10/16![Allegiant Air logo]()
$261
This CheapOair deal was found by Cheapflights users on 10/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:49 pm -
Nonstop4h 18m
Sun 11/11:45 pm -
Nonstop3h 54m
Deal found 10/16![Allegiant Air logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/1610:09 pm -
Nonstop4h 18m
Tue 11/179:46 pm -
2 stops14h 03m
Deal found 10/19![Multiple Airlines logo]()
$266
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 October 21, 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 October 21, 2026.
This Southwest deal was found by Cheapflights users on 10/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:25 pm -
1 stop8h 10m
Sun 2/211:25 am -
1 stop9h 35m
Deal found 10/19![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 11/126:45 am -
2 stops11h 27m
Mon 11/1610:55 pm -
1 stop8h 49m
Deal found 10/20![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:43 am -
1 stop9h 43m
Sun 11/1510:08 pm -
1 stop9h 12m
Deal found 10/20![Delta logo]()
$478
This Southwest deal was found by Cheapflights users on 10/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:00 am -
2 stops7h 50m
Fri 1/155:00 am -
1 stop6h 00m
Deal found 10/19![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 10/18. 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.
Thu 12/101:00 pm -
1 stop13h 00m
Fri 12/111:25 am -
1 stop9h 45m
Deal found 10/18![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop9h 25m
Tue 11/241:44 pm -
1 stop5h 48m
Deal found 10/17![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 12/412:46 pm -
1 stop12h 00m
Mon 12/77:36 pm -
2 stops11h 38m
Deal found 10/20![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 10/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:40 pm -
1 stop7h 00m
Mon 12/285:30 am -
1 stop8h 30m
Deal found 10/16![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 10/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:25 pm -
2 stops8h 45m
Mon 12/147:10 am -
1 stop5h 20m
Deal found 10/17![Southwest logo]()
$498
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/104:43 pm -
2 stops10h 04m
Sat 12/1212:59 am -
1 stop7h 13m
Deal found 10/20![United Airlines logo]()
$555
This Southwest deal was found by Cheapflights users on 10/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:40 pm -
2 stops9h 00m
Tue 11/249:50 am -
1 stop8h 55m
Deal found 10/17![Southwest logo]()
$546
Last-minute flights from Knoxville to Las VegasDiscover last-minute flight deals from Knoxville to Las Vegas. Data last updated October 21, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Las Vegas. Data last updated October 21, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:29 pm -
Nonstop4h 15m
Sun 11/11:45 pm -
Nonstop3h 54m
Deal found 10/20![Allegiant Air logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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.
Thu 10/299:29 pm -
Nonstop4h 15m
Mon 11/22:00 pm -
Nonstop3h 52m
Deal found 10/16![Allegiant Air logo]()
$261
This CheapOair deal was found by Cheapflights users on 10/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:49 pm -
Nonstop4h 18m
Sun 11/11:45 pm -
Nonstop3h 54m
Deal found 10/16![Allegiant Air logo]()
$264
This CheapOair deal was found by Cheapflights users on 10/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:33 pm -
Nonstop4h 15m
Fri 11/63:37 pm -
Nonstop3h 58m
Deal found 10/19![Allegiant Air logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Sun 11/158:43 pm -
Nonstop4h 15m
Wed 11/186:55 am -
2 stops34h 21m
Deal found 10/16![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/158:43 pm -
Nonstop4h 15m
Fri 11/206:00 am -
Nonstop3h 42m
Deal found 10/19![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/158:43 pm -
Nonstop4h 15m
Wed 11/1812:38 am -
2 stops15h 55m
Deal found 10/19![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/1610:09 pm -
Nonstop4h 18m
Fri 11/206:00 am -
Nonstop3h 42m
Deal found 10/19![Allegiant Air logo]()
$239
This WAYA deal was found by Cheapflights users on 10/19. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:09 pm -
Nonstop4h 18m
Mon 11/239:47 pm -
1 stop21h 19m
Deal found 10/19![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/1610:09 pm -
Nonstop4h 18m
Wed 11/1812:38 am -
2 stops15h 55m
Deal found 10/19![Multiple Airlines logo]()
$256
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:09 pm -
Nonstop4h 18m
Mon 11/236:00 am -
Nonstop3h 42m
Deal found 10/19![Allegiant Air logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 11/1610:09 pm -
Nonstop4h 18m
Tue 11/179:46 pm -
2 stops14h 03m
Deal found 10/19![Multiple Airlines logo]()
$266
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 October 21, 2026.
Search for one-way flight options from Knoxville to Las Vegas. Find affordable one-way fares based on user searches. Data last updated October 21, 2026.
This Super.com deal was found by Cheapflights users on 10/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:43 pm -
Nonstop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Allegiant Air logo]()
$72
This CheapOair deal was found by Cheapflights users on 10/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:42 pm -
Nonstop4h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Allegiant Air logo]()
$108
This Super.com deal was found by Cheapflights users on 10/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:29 pm -
Nonstop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Allegiant Air logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Fri 12/111:58 pm -
2 stops33h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:34 pm -
1 stop9h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 10/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:05 am -
2 stops7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$144
This CheapOair deal was found by Cheapflights users on 10/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/119:15 pm -
Nonstop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Allegiant Air logo]()
$148
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 October 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (CheapOair) |
One-way from | $72 (Super.com) |
Popular in | June |
Cheapest in | August |
Average price | $359 |
Good round-trip deal | $241 or less |
Good one-way deal | $124 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 7,457,451 searches. Data last updated October 21, 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
Quickest round-trip
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Mon 11/2
9:42 pm-11:00 pm
Nonstop4h 18m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$118
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Thu 11/19
12:34 pm-6:38 pm
1 stop9h 04m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$139
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Sun 11/15
7:25 pm-12:35 am
1 stop8h 10m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$152
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Mon 11/16
5:15 pm-11:05 pm
1 stop8h 50m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$165
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Wed 12/30
12:06 pm-1:54 pm
1 stop28h 48m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$208
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Fri 12/11
5:25 pm-11:10 pm
2 stops8h 45m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Sun 11/22
5:40 am-9:50 am
1 stop7h 10m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Wed 12/30
4:31 pm-6:00 pm
Nonstop4h 29m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$271
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Fri 12/11
4:43 pm-11:47 pm
2 stops10h 04m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$280
KnoxvilleLas Vegas
TYS Knoxville McGhee Tyson - LAS Las Vegas Harry Reid Intl
TYSLAS
Knoxville McGhee Tyson
Mon 1/4
7:25 pm-12:35 am
1 stop8h 10m
Las Vegas Harry Reid Intl
Sun 2/21
1:25 am-2:00 pm
1 stop9h 35m
$283
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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
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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, August is the cheapest month in which you can book a flight from Knoxville to Las Vegas (average of $291). Flying from Knoxville to Las Vegas in June is currently the most expensive (average of $482). 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 October 21, 2026.
It’s optimal to fly from Knoxville to Las Vegas in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the afternoon.
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 50% 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.
Nashville (BNA) is the most affordable 1-stop option, with an average round-trip price of $382.
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 27m.
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 21m.
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 October 21, 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.
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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
Mesquite
Henderson
Kingman
North Las Vegas
Boulder City
Winchester
Sunrise Manor
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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 October 21, 2026.
Knoxville and Las Vegas flights
Browse other Knoxville and Las Vegas flight options. Last updated on October 21, 2026.
Other flights from Knoxville
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Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Knoxville to Las Vegas
Discover the top 6 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 7,457,451 searches. Data last updated October 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$305 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$305 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$160 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$498 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$310 | Average$534 | FlexibilityNo cancel fee | On-time63% |