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$94+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — LAS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl are usually found in January or August, booked 30 days in advance, depart on a Wednesday or Monday and return on a Friday

Find flight deals from Knoxville to Las Vegas

Cheapest flights from Knoxville to Las Vegas
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 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 12/107:39 amTYS - LAS
1 stop9h 21mDelta
Sat 12/139:53 amLAS - TYS
1 stop7h 07mDelta
Deal found 10/27$251
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/97:00 amTYS - LAS
1 stop28h 02mMultiple Airlines
Tue 11/1111:22 pmLAS - TYS
1 stop13h 20mMultiple Airlines
Deal found 10/27$252
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/124:32 pmTYS - LAS
2 stops18h 07mMultiple Airlines
Sun 11/166:15 amLAS - TYS
1 stop7h 34mMultiple Airlines
Deal found 10/26$253
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/137:00 amTYS - LAS
2 stops16h 55mMultiple Airlines
Sat 11/159:48 amLAS - TYS
1 stop28h 01mMultiple Airlines
Deal found 10/27$254
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/97:00 amTYS - LAS
2 stops17h 28mMultiple Airlines
Wed 11/197:54 pmLAS - TYS
1 stop14h 30mMultiple Airlines
Deal found 10/26$255
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:00 amTYS - LAS
Nonstop4h 29mAllegiant Air
Mon 12/810:19 amLAS - TYS
Nonstop3h 43mAllegiant Air
Deal found 10/26$256
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/97:00 amTYS - LAS
2 stops17h 28mMultiple Airlines
Thu 11/136:15 amLAS - TYS
1 stop7h 34mMultiple Airlines
Deal found 10/27$259
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 11/108:00 amTYS - LAS
Nonstop4h 17mMultiple Airlines
Fri 11/211:44 pmLAS - TYS
2 stops26h 26mMultiple Airlines
Deal found 10/26$260
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/137:00 amTYS - LAS
1 stop10h 10mMultiple Airlines
Thu 11/2011:03 pmLAS - TYS
2 stops13h 50mMultiple Airlines
Deal found 10/26$262
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/97:00 amTYS - LAS
1 stop8h 07mMultiple Airlines
Thu 11/2011:03 pmLAS - TYS
2 stops13h 50mMultiple Airlines
Deal found 10/26$264
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/137:00 amTYS - LAS
2 stops19h 41mMultiple Airlines
Sun 11/166:15 amLAS - TYS
1 stop7h 34mMultiple Airlines
Deal found 10/27$265

Cheap 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 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Delta)

One-way from

$94
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$359

Good round-trip deal

$188 or less

Good one-way deal

$140 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Las Vegas Harry Reid Intl flights.
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From Knoxville McGhee Tyson to Las Vegas Harry Reid Intl
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One-way flight from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl
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High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl.
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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 October 28, 2025.
Use the filters below to find and compare flights from Knoxville to Las Vegas that are best for you.

Fly from

Knoxville

Fly to

Las Vegas

Route

Depart

Return

Price

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 3/27

5:30 am-10:25 am

1 stop7h 55m

Las Vegas Harry Reid Intl

Tue 3/31

10:10 pm-9:13 am

1 stop8h 03m

$315

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Wed 12/3

9:40 am-2:58 pm

1 stop8h 18m

Las Vegas Harry Reid Intl

Mon 12/8

11:59 pm-10:13 am

1 stop7h 14m

$315

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 12/12

7:59 pm-12:27 am

1 stop7h 28m

Las Vegas Harry Reid Intl

Sat 12/13

7:14 am-6:58 pm

1 stop8h 44m

$315

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 3/13

7:20 pm-12:31 am

1 stop8h 11m

Las Vegas Harry Reid Intl

Wed 3/18

11:30 pm-9:13 am

1 stop6h 43m

$331

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Thu 1/22

9:29 am-10:50 pm

1 stop16h 21m

Las Vegas Harry Reid Intl

Sat 1/24

12:15 am-12:05 pm

2 stops32h 50m

$332

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Tue 11/11

8:26 am-2:57 pm

1 stop9h 31m

Las Vegas Harry Reid Intl

Tue 11/18

5:55 am-2:43 pm

1 stop5h 48m

$345

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Tue 11/11

3:53 pm-9:29 pm

1 stop8h 36m

Las Vegas Harry Reid Intl

Sat 11/15

9:52 am-8:11 pm

1 stop7h 19m

$345

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Tue 11/11

3:53 pm-9:29 pm

1 stop8h 36m

Las Vegas Harry Reid Intl

Mon 11/17

12:43 am-9:37 am

1 stop5h 54m

$391

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Thu 2/19

2:21 pm-8:22 pm

1 stop9h 01m

Las Vegas Harry Reid Intl

Mon 2/23

7:40 am-11:44 pm

2 stops13h 04m

$420

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Sun 11/9

1:16 pm-2:59 pm

1 stop28h 43m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 20 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Las Vegas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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

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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Knoxville to Las Vegas, you should look to book at least 30 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 March is currently the most expensive (average of $130). 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 28, 2025.

It’s optimal to fly from Knoxville to Las Vegas in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Knoxville to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Las Vegas. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Knoxville to Las Vegas flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 28, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines 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.
Delta
7.9
Good
7,995 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
695 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,122 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How popular is this Knoxville to Las Vegas flight route?

    Within the past month, 4 users have taken a look at flights from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl.

  • How long is the flight from Knoxville to Las Vegas?

    Departing from Knoxville to Las Vegas will take you 7h 55m. Knoxville and Las Vegas are separated by a distance of 1734 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Knoxville to Las Vegas round-trip?

    According to our current data, Frontier ($118), Allegiant Air ($130), and Delta ($238) offers the cheapest pricing from Knoxville to Las Vegas. These flights start at 63% lower than the current average price 3 months from now.

  • What are the cheapest flights from Knoxville to Las Vegas?

    Looking at all options, your cheapest flight can be booked for $97. While the most popular route (Knoxville McGhee Tyson - Las Vegas Harry Reid Intl) can be booked for $152 on average, our data indicates $209 when flying from Knoxville to Las Vegas.

  • Where are the most common layover locations when flying from Knoxville to Las Vegas?

    Of the flights from Knoxville to Las Vegas that have layovers, most of them stop in Dallas. Charlotte sees the next most layovers on Knoxville to Las Vegas flights.

  • What are some popular things to do or see while on a layover in Dallas?

    The majority of Dallas visitors spend their time at American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion. American Airlines Center, Dallas World Aquarium and Dos Equis Pavilion are located about 15.0 mi, 15.5 mi, and 18.3 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Travelers in need of a car in Dallas can rent one for about $57 per day.

  • What are some popular points of interest to see during a layover in Charlotte?

    Carowind, NASCAR Hall of Fame, and Mint Museum Uptown are currently the most popular points of interest in Charlotte at the moment. Carowind, NASCAR Hall of Fame, and Mint Museum Uptown can be accessed by traveling approximately 8.2 mi, 5.7 mi, and 5.4 mi, respectively from Charlotte Douglas. Those landing in Charlotte looking to spend some time exploring during their layover can rent a car for about $46 per day.

  • Where are the least popular layover locations for Knoxville to Las Vegas flights?

    Knoxville to Las Vegas flights that have layovers will least frequently stop in Atlanta.

  • Can I find deals for flights from Knoxville to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Knoxville to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Las Vegas.

  • Can I find deals for business class flights from Knoxville to Las Vegas?

    Yes. Cheapflights offers flight deals from Knoxville to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 March is currently the most expensive (average of $130). 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.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Winchester
Kingman
Sunrise Manor
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$276FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$130Average$253FlexibilityNo cancel feeOn-time88%
DeltaCheapest$238Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$396FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$394FlexibilityNo cancel feeOn-time71%

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