$105+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LAS
Aug 26 — Sep 21
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 38 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 July 27, 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 July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Allegiant Air
Fri 10/302:57 pm
LAS
- TYS
Nonstop3h 52m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Allegiant Air
Mon 11/22:00 pm
LAS
- TYS
Nonstop3h 52m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 10/269:42 pm
TYS
- LAS
Nonstop4h 18m
Allegiant Air
Thu 10/291:45 pm
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 9/71:22 pm
TYS
- LAS
Nonstop4h 14m
Allegiant Air
Sun 9/2710:24 am
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 7/26. 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
Multiple Airlines
Wed 10/2812:59 am
LAS
- TYS
1 stop9h 12m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Multiple Airlines
Wed 10/289:15 pm
LAS
- TYS
1 stop12h 56m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 10/269:42 pm
TYS
- LAS
Nonstop4h 18m
Allegiant Air
Sun 11/11:45 pm
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Fri 10/2312:49 pm
TYS
- LAS
Nonstop4h 18m
Allegiant Air
Thu 10/291:45 pm
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Multiple Airlines
Sat 10/319:15 pm
LAS
- TYS
1 stop13h 56m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/229:29 pm
TYS
- LAS
Nonstop4h 15m
Multiple Airlines
Fri 10/307:00 am
LAS
- TYS
1 stop10h 05m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/3110:00 am
TYS
- LAS
1 stop14h 12m
Multiple Airlines
Sun 9/2710:24 am
LAS
- TYS
Nonstop3h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$205
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 July 27, 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 July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:25 pm
TYS
- LAS
1 stop8h 45m
Southwest
Fri 11/131:25 am
LAS
- TYS
2 stops7h 35m
Southwest
Deal found 7/25![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:09 pm
TYS
- LAS
1 stop7h 01m
Delta
Fri 12/1112:45 am
LAS
- TYS
1 stop7h 03m
Delta
Deal found 7/25![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:01 pm
TYS
- LAS
1 stop8h 02m
United Airlines
Wed 11/118:00 pm
LAS
- TYS
2 stops10h 50m
United Airlines
Deal found 7/23![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:50 am
TYS
- LAS
2 stops7h 05m
Southwest
Mon 9/2812:20 am
LAS
- TYS
2 stops8h 45m
Southwest
Deal found 7/26![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
TYS
- LAS
2 stops7h 10m
Southwest
Wed 9/166:45 am
LAS
- TYS
1 stop10h 10m
Southwest
Deal found 7/26![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 7/27. 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.
Sun 10/117:16 pm
TYS
- LAS
1 stop7h 28m
Delta
Fri 10/1611:35 pm
LAS
- TYS
1 stop8h 04m
Delta
Deal found 7/27![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:02 pm
TYS
- LAS
1 stop7h 50m
United Airlines
Mon 8/318:02 pm
LAS
- TYS
2 stops10h 55m
United Airlines
Deal found 7/22![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:00 pm
TYS
- LAS
2 stops10h 50m
Southwest
Sat 11/141:25 am
LAS
- TYS
2 stops7h 45m
Southwest
Deal found 7/25![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:25 pm
TYS
- LAS
1 stop8h 05m
Southwest
Wed 10/712:05 pm
LAS
- TYS
1 stop5h 55m
Southwest
Deal found 7/23![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:40 pm
TYS
- LAS
1 stop9h 25m
Southwest
Fri 11/271:25 am
LAS
- TYS
1 stop8h 50m
Southwest
Deal found 7/24![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:45 pm
TYS
- LAS
1 stop9h 25m
Southwest
Sat 11/211:25 am
LAS
- TYS
2 stops7h 45m
Southwest
Deal found 7/23![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
TYS
- LAS
2 stops9h 25m
Southwest
Sat 8/227:35 am
LAS
- TYS
2 stops7h 05m
Southwest
Deal found 7/24![Southwest logo]()
$414
Last-minute flights from Knoxville to Las VegasDiscover last-minute flight deals from Knoxville to Las Vegas. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Las Vegas. Data last updated July 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:29 pm
TYS
- LAS
1 stop28h 41m
Multiple Airlines
Thu 8/1311:16 am
LAS
- TYS
2 stops9h 21m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/102:47 pm
TYS
- LAS
Nonstop4h 19m
Allegiant Air
Fri 8/1411:39 pm
LAS
- TYS
1 stop19h 24m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/156:00 pm
TYS
- LAS
1 stop8h 39m
Multiple Airlines
Mon 8/177:05 am
LAS
- TYS
1 stop13h 07m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/202:39 pm
TYS
- LAS
1 stop12h 04m
Multiple Airlines
Thu 8/2711:26 am
LAS
- TYS
1 stop8h 26m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/3110:00 am
TYS
- LAS
1 stop14h 12m
Multiple Airlines
Sun 9/2710:24 am
LAS
- TYS
Nonstop3h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Mon 8/314:48 pm
TYS
- LAS
Nonstop4h 04m
Allegiant Air
Sun 9/2710:24 am
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 7/27![Allegiant Air logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:00 am
TYS
- LAS
1 stop14h 12m
Multiple Airlines
Fri 9/42:00 pm
LAS
- TYS
Nonstop3h 54m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$235
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 8/314:48 pm
TYS
- LAS
Nonstop4h 04m
Allegiant Air
Fri 9/42:00 pm
LAS
- TYS
Nonstop3h 54m
Allegiant Air
Deal found 7/24![Allegiant Air logo]()
$237
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 July 27, 2026.
Search for one-way flight options from Knoxville to Las Vegas. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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.
Sun 10/259:29 pm
TYS
- LAS
Nonstop4h 15m
Allegiant Air
Deal found 7/24![Allegiant Air logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sun 9/277:00 am
TYS
- LAS
1 stop28h 28m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sun 10/256:30 am
TYS
- LAS
1 stop27h 55m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 8/237:00 am
TYS
- LAS
1 stop27h 09m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 9/32:34 pm
TYS
- LAS
1 stop12h 09m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/202:39 pm
TYS
- LAS
1 stop12h 04m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/2312:49 pm
TYS
- LAS
Nonstop4h 18m
Allegiant Air
Deal found 7/26![Allegiant Air logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/277:00 am
TYS
- LAS
1 stop7h 00m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/282:51 pm
TYS
- LAS
1 stop9h 53m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/248:20 am
TYS
- LAS
Nonstop4h 14m
Allegiant Air
Deal found 7/26![Allegiant Air logo]()
$143
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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $181 (Kiwi.com) |
One-way from | $105 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $387 |
Good round-trip deal | $180 or less |
Good one-way deal | $106 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 July 27, 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
Thu 11/12
5:25 pm-11:10 pm
1 stop8h 45m
Las Vegas Harry Reid Intl
Fri 11/13
1:25 am-12:00 pm
2 stops7h 35m
$324
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Sat 9/26
6:50 am-10:55 am
2 stops7h 05m
Las Vegas Harry Reid Intl
Mon 9/28
12:20 am-12:05 pm
2 stops8h 45m
$329
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 9/9
7:00 am-11:10 am
2 stops7h 10m
Las Vegas Harry Reid Intl
Wed 9/16
6:45 am-7:55 pm
1 stop10h 10m
$348
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 12/9
6:09 pm-10:10 pm
1 stop7h 01m
Las Vegas Harry Reid Intl
Fri 12/11
12:45 am-10:48 am
1 stop7h 03m
$374
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 11/11
1:00 pm-8:50 pm
2 stops10h 50m
Las Vegas Harry Reid Intl
Sat 11/14
1:25 am-12:10 pm
2 stops7h 45m
$374
Quickest round-trip
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Thu 10/1
7:25 pm-12:30 am
1 stop8h 05m
Las Vegas Harry Reid Intl
Wed 10/7
12:05 pm-9:00 pm
1 stop5h 55m
$400
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Sun 10/11
7:16 pm-11:44 pm
1 stop7h 28m
Las Vegas Harry Reid Intl
Fri 10/16
11:35 pm-10:39 am
1 stop8h 04m
$409
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Mon 11/23
3:40 pm-10:05 pm
1 stop9h 25m
Las Vegas Harry Reid Intl
Fri 11/27
1:25 am-1:15 pm
1 stop8h 50m
$409
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Thu 11/19
2:45 pm-9:10 pm
1 stop9h 25m
Las Vegas Harry Reid Intl
Sat 11/21
1:25 am-12:10 pm
2 stops7h 45m
$411
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Thu 8/20
7:10 am-1:35 pm
2 stops9h 25m
Las Vegas Harry Reid Intl
Sat 8/22
7:35 am-5:40 pm
2 stops7h 05m
$414
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 July.
| 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 Accuracy- | Trust Score*1 star | |
| 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 37 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 $467). 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 July 27, 2026.
It’s optimal to fly from Knoxville to Las Vegas in the morning. By choosing this option you can save up to 15% 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 67% 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.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $446.
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 July 27, 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.
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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?
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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 July 27, 2026.
Knoxville and Las Vegas flights
Browse other Knoxville and Las Vegas flight options. Last updated on July 27, 2026.
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Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
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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 2,558,603 searches. Data last updated July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$305 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$269 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$179 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$459 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$404 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$264 | Average$470 | FlexibilityNo cancel fee | On-time71% |