$82+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LAS
Apr 9 — Apr 161
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 September, booked 55 days in advance, depart on a Tuesday or Monday and return on a Thursday
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 March 10, 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 March 10, 2026.
This Booking.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Fri 4/244:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:30 am
TYS
- LAS
1 stop17h 19m
Multiple Airlines
Fri 3/2711:44 pm
LAS
- TYS
1 stop18h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/104:28 pm
TYS
- LAS
1 stop10h 08m
Frontier
Sat 5/169:44 am
LAS
- TYS
1 stop26h 49m
Frontier
Deal found 3/6![Frontier logo]()
$199
This Travelocity deal was found by Cheapflights users on 3/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:28 pm
TYS
- LAS
1 stop21h 37m
Frontier
Sat 5/912:59 am
LAS
- TYS
1 stop11h 34m
Frontier
Deal found 3/6![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 8/172:47 pm
TYS
- LAS
Nonstop4h 19m
Allegiant Air
Fri 8/212:43 pm
LAS
- TYS
Nonstop3h 58m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$214
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 4/271:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Fri 5/14:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:30 am
TYS
- LAS
1 stop17h 19m
Multiple Airlines
Tue 3/311:36 pm
LAS
- TYS
1 stop20h 09m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Mon 5/184:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$221
This Frontier deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:08 pm
TYS
- LAS
1 stop6h 23m
Frontier
Mon 6/89:30 am
LAS
- TYS
1 stop6h 43m
Frontier
Deal found 3/9![Frontier logo]()
$232
This Cheapflightsfares deal was found by Cheapflights users on 3/5. 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 3/231:36 pm
TYS
- LAS
Nonstop4h 28m
Allegiant Air
Fri 3/273:54 pm
LAS
- TYS
Nonstop3h 45m
Allegiant Air
Deal found 3/5![Allegiant Air logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Fri 4/2411:49 pm
LAS
- TYS
2 stops36h 44m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$240
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 March 10, 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/6. 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 6/35:59 pm
TYS
- LAS
1 stop8h 11m
Delta
Sat 6/610:10 pm
LAS
- TYS
1 stop8h 01m
Delta
Deal found 3/6![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 3/9. 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 4/27:25 pm
TYS
- LAS
1 stop8h 20m
Southwest
Mon 4/611:40 pm
LAS
- TYS
1 stop9h 20m
Southwest
Deal found 3/9![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:25 pm
TYS
- LAS
1 stop10h 48m
United Airlines
Mon 5/411:59 pm
LAS
- TYS
1 stop7h 07m
United Airlines
Deal found 3/8![United Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
TYS
- LAS
2 stops13h 18m
United Airlines
Tue 5/121:40 pm
LAS
- TYS
1 stop5h 43m
United Airlines
Deal found 3/5![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:53 pm
TYS
- LAS
1 stop9h 06m
United Airlines
Wed 4/2210:43 am
LAS
- TYS
2 stops9h 25m
United Airlines
Deal found 3/8![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/74:20 pm
TYS
- LAS
2 stops10h 59m
United Airlines
Mon 5/117:07 pm
LAS
- TYS
2 stops11h 59m
United Airlines
Deal found 3/5![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:30 pm
TYS
- LAS
2 stops10h 28m
United Airlines
Tue 4/711:55 am
LAS
- TYS
1 stop7h 34m
United Airlines
Deal found 3/9![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/710:49 am
TYS
- LAS
2 stops12h 55m
United Airlines
Sun 5/105:15 am
LAS
- TYS
1 stop6h 52m
United Airlines
Deal found 3/8![United Airlines logo]()
$474
Last-minute flights from Knoxville to Las VegasDiscover last-minute flight deals from Knoxville to Las Vegas. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Las Vegas. Data last updated March 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 3/5. 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 3/231:36 pm
TYS
- LAS
Nonstop4h 28m
Allegiant Air
Fri 3/273:54 pm
LAS
- TYS
Nonstop3h 45m
Allegiant Air
Deal found 3/5![Allegiant Air logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:30 am
TYS
- LAS
1 stop17h 19m
Multiple Airlines
Fri 3/2711:44 pm
LAS
- TYS
1 stop18h 01m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:30 am
TYS
- LAS
1 stop17h 19m
Multiple Airlines
Tue 3/311:36 pm
LAS
- TYS
1 stop20h 09m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$219
This Expedia deal was found by Cheapflights users on 3/7. 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 4/34:20 pm
TYS
- LAS
1 stop26h 15m
Frontier
Mon 4/66:00 am
LAS
- TYS
1 stop6h 28m
Frontier
Deal found 3/7![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:20 pm
TYS
- LAS
1 stop10h 17m
Frontier
Mon 4/136:00 am
LAS
- TYS
1 stop6h 28m
Frontier
Deal found 3/6![Frontier logo]()
$273
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/144:09 pm
TYS
- LAS
1 stop8h 47m
American Airlines
Wed 4/157:30 am
LAS
- TYS
1 stop7h 34m
American Airlines
Deal found 3/6![American Airlines logo]()
$271
This Booking.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Fri 4/244:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Multiple Airlines
Fri 4/2411:49 pm
LAS
- TYS
2 stops36h 44m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 4/271:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Fri 5/14:04 pm
LAS
- TYS
Nonstop3h 47m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$218
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 March 10, 2026.
Search for one-way flight options from Knoxville to Las Vegas. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 4/201:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 3/10![Allegiant Air logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/41:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/181:43 pm
TYS
- LAS
Nonstop4h 31m
Allegiant Air
Deal found 3/5![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/292:40 pm
TYS
- LAS
Nonstop4h 19m
Allegiant Air
Deal found 3/6![Allegiant Air logo]()
$114
This Frontier deal was found by Cheapflights users on 3/5. 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.
Fri 4/104:20 pm
TYS
- LAS
1 stop10h 17m
Frontier
Deal found 3/5![Frontier logo]()
$122
This Cheapflightsfares deal was found by Cheapflights users on 3/5. 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 3/231:36 pm
TYS
- LAS
Nonstop4h 28m
Allegiant Air
Deal found 3/5![Allegiant Air logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/156:20 pm
TYS
- LAS
1 stop32h 24m
Allegiant Air
Deal found 3/5![Allegiant Air logo]()
$128
This Travelocity deal was found by Cheapflights users on 3/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:08 pm
TYS
- LAS
1 stop20h 23m
Frontier
Deal found 3/5![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:00 am
TYS
- LAS
1 stop26h 38m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$134
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $194 (Booking.com) |
One-way from | $82 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $346 |
Good round-trip deal | $267 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 March 10, 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 - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 6/3
5:59 pm-11:10 pm
1 stop8h 11m
Las Vegas Harry Reid Intl
Sat 6/6
10:10 pm-9:11 am
1 stop8h 01m
$271
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Thu 4/2
7:25 pm-12:45 am
1 stop8h 20m
Las Vegas Harry Reid Intl
Mon 4/6
11:40 pm-12:00 pm
1 stop9h 20m
$332
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Fri 5/1
2:25 pm-10:13 pm
1 stop10h 48m
Las Vegas Harry Reid Intl
Mon 5/4
11:59 pm-10:06 am
1 stop7h 07m
$353
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Sat 5/9
7:00 am-5:18 pm
2 stops13h 18m
Las Vegas Harry Reid Intl
Tue 5/12
1:40 pm-10:23 pm
1 stop5h 43m
$366
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Fri 4/17
5:53 pm-11:59 pm
1 stop9h 06m
Las Vegas Harry Reid Intl
Wed 4/22
10:43 am-11:08 pm
2 stops9h 25m
$420
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Thu 5/7
4:20 pm-12:19 am
2 stops10h 59m
Las Vegas Harry Reid Intl
Mon 5/11
7:07 pm-10:06 am
2 stops11h 59m
$427
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Fri 4/3
4:30 pm-11:58 pm
2 stops10h 28m
Las Vegas Harry Reid Intl
Tue 4/7
11:55 am-10:29 pm
1 stop7h 34m
$462
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Thu 5/7
10:49 am-8:44 pm
2 stops12h 55m
Las Vegas Harry Reid Intl
Sun 5/10
5:15 am-3:07 pm
1 stop6h 52m
$474
Cheapest one-way
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 4/1
8:30 am-9:49 pm
1 stop16h 19m
$111
Quickest one-way
KnoxvilleLas Vegas
TYS - LAS
TYSLAS
Knoxville McGhee Tyson
Wed 4/1
4:29 pm-8:13 pm
1 stop6h 44m
$164
Showing 1-10 of 19 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
More
How far ahead should I book a flight from Knoxville to Las Vegas?
Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Las Vegas. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Knoxville to Las Vegas, you should look to book at least 55 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 $79). Flying from Knoxville to Las Vegas in May is currently the most expensive (average of $128). 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 March 10, 2026.
It’s optimal to fly from Knoxville to Las Vegas in the evening. By choosing this option you can save up to 25% 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 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.
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: 6h 52m.
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 37m.
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 March 10, 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.
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Crew
8.5
Comfort
7.9
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
Henderson
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Boulder City
Needles
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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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$298 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$248 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$157 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$251 | Average$414 | FlexibilityNo cancel fee | On-time71% |