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$94+ Cheap flights from Las Vegas to Knoxville (LAS - TYS)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson are usually found in September or April, booked 73 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Find flight deals from Las Vegas to Knoxville

Cheapest flights from Las Vegas to Knoxville
Explore the most affordable flight options available from Las Vegas to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:30 amLAS - TYS
Nonstop3h 53mMultiple Airlines
Sun 11/25:30 amTYS - LAS
1 stop16h 22mMultiple Airlines
Deal found 10/19$236
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:56 pmLAS - TYS
1 stop18h 37mMultiple Airlines
Thu 2/265:35 pmTYS - LAS
1 stop9h 07mMultiple Airlines
Deal found 10/18$254
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:30 amLAS - TYS
Nonstop3h 53mAllegiant Air
Mon 3/21:38 pmTYS - LAS
Nonstop4h 43mAllegiant Air
Deal found 10/18$255
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:56 pmLAS - TYS
1 stop18h 37mMultiple Airlines
Mon 3/21:38 pmTYS - LAS
Nonstop4h 43mMultiple Airlines
Deal found 10/18$262
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:30 amLAS - TYS
Nonstop3h 53mMultiple Airlines
Thu 2/265:35 pmTYS - LAS
1 stop9h 07mMultiple Airlines
Deal found 10/18$265
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:00 amLAS - TYS
1 stop12h 58mMultiple Airlines
Thu 2/265:35 pmTYS - LAS
1 stop9h 07mMultiple Airlines
Deal found 10/17$270
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:00 amLAS - TYS
1 stop12h 58mMultiple Airlines
Mon 3/21:38 pmTYS - LAS
Nonstop4h 43mMultiple Airlines
Deal found 10/17$274
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:56 pmLAS - TYS
1 stop18h 37mMultiple Airlines
Sun 3/18:30 amTYS - LAS
1 stop16h 54mMultiple Airlines
Deal found 10/18$275
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:51 pmLAS - TYS
2 stops37h 53mMultiple Airlines
Mon 3/21:38 pmTYS - LAS
Nonstop4h 43mMultiple Airlines
Deal found 10/17$278
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:08 amLAS - TYS
1 stop7h 59mFrontier
Thu 11/67:17 pmTYS - LAS
1 stop19h 50mFrontier
Deal found 10/18$281
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:30 amLAS - TYS
Nonstop3h 53mMultiple Airlines
Sun 3/18:30 amTYS - LAS
1 stop16h 54mMultiple Airlines
Deal found 10/18$282
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:59 amLAS - TYS
1 stop9h 34mMultiple Airlines
Thu 2/265:35 pmTYS - LAS
1 stop9h 07mMultiple Airlines
Deal found 10/18$286

Cheap flight deals from Las Vegas to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Knoxville (TYS). 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(Mytrip)

One-way from

$94
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$310

Good round-trip deal

$270 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Knoxville McGhee Tyson flights.
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From Las Vegas Harry Reid Intl to Knoxville McGhee Tyson
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($23 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 Las Vegas Harry Reid Intl to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Knoxville 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 20, 2025.
Use the filters below to find and compare flights from Las Vegas to Knoxville that are best for you.

Fly from

Las Vegas

Fly to

Knoxville

Route

Depart

Return

Price

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Mon 12/15

6:00 am-3:57 pm

1 stop6h 57m

Knoxville McGhee Tyson

Sun 12/21

4:26 pm-11:42 pm

1 stop10h 16m

$282

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 11/4

1:36 pm-11:22 pm

1 stop6h 46m

Knoxville McGhee Tyson

Tue 3/3

10:05 am-4:55 pm

1 stop9h 50m

$288

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 11/4

10:10 pm-9:00 am

1 stop7h 50m

Knoxville McGhee Tyson

Tue 2/24

12:30 pm-5:37 pm

1 stop8h 07m

$288

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 11/1

11:35 am-9:13 pm

1 stop6h 38m

Knoxville McGhee Tyson

Tue 2/24

12:30 pm-5:37 pm

1 stop8h 07m

$288

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 11/1

11:35 am-9:13 pm

1 stop6h 38m

Knoxville McGhee Tyson

Sat 2/28

2:30 pm-6:56 pm

1 stop7h 26m

$288

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 11/1

11:35 am-9:13 pm

1 stop6h 38m

Knoxville McGhee Tyson

Tue 3/3

10:05 am-4:55 pm

1 stop9h 50m

$288

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 11/1

12:26 pm-11:07 pm

1 stop7h 41m

Knoxville McGhee Tyson

Wed 2/25

10:05 am-3:42 pm

1 stop8h 37m

$288

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 2/4

6:30 am-5:38 pm

2 stops8h 08m

Knoxville McGhee Tyson

Mon 2/9

12:14 pm-5:43 pm

1 stop8h 29m

$320

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Tue 11/4

1:20 pm-11:59 pm

1 stop7h 39m

Knoxville McGhee Tyson

Sat 11/8

4:37 pm-8:33 pm

1 stop6h 56m

$325

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 11/1

10:45 am-10:30 pm

2 stops8h 45m

Knoxville McGhee Tyson

Wed 11/5

4:55 pm-8:46 pm

1 stop6h 51m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

Showing 1-10 of 19 results
1
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Compare providers for flights from Las Vegas to Knoxville

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 Las Vegas to Knoxville in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Las Vegas-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Knoxville 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 Las Vegas-Knoxville 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 Las Vegas to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Las Vegas 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 Las Vegas to Knoxville

How far ahead should I book a flight from Las Vegas to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Knoxville. Price data was last updated on October 17, 2025.

The best time to book flights from Las Vegas to Knoxville is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Las Vegas to Knoxville?

Currently, September is the cheapest month in which you can book a flight from Las Vegas to Knoxville (average of $79). Flying from Las Vegas to Knoxville in December is currently the most expensive (average of $169). 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 LAS to TYS?

Find hourly flight availability from Las Vegas to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2025.

It’s typically best to fly out from Las Vegas to Knoxville at noon. Doing so could potentially save you 49% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated October 20, 2025.
Read through reviews of airlines operating flights from Las Vegas to Knoxville, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

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
7,978 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

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
8,991 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

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
11,024 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

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
694 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Food

7.3

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 Las Vegas to Knoxville. 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 Las Vegas to Knoxville flight route?

    The Las Vegas Harry Reid Intl to Knoxville McGhee Tyson flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $288, Frontier can have you in Knoxville from Las Vegas in 6h 46m. Airlines will cover a distance of 1734 mi. This flight may include one or multiple stops.

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

    Currently priced at $137, Allegiant Air will fly you from Las Vegas to Knoxville and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $243 and $250, respectively. These flights start at 57% lower than the current average price 3 months from now.

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

    Looking at all options, your cheapest flight can be booked for $97. While the most popular route (Las Vegas Harry Reid Intl - Knoxville McGhee Tyson) can be booked for $214 on average, our data indicates $223 when flying from Las Vegas to Knoxville.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Knoxville 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 Las Vegas to Knoxville?

    Currently, September is the cheapest month in which you can book a flight from Las Vegas to Knoxville (average of $79). Flying from Las Vegas to Knoxville in December is currently the most expensive (average of $169). 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Top 4 airlines flying from Las Vegas to Knoxville

Discover the top 4 airlines that operate flights from Las Vegas to Knoxville. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$137Average$242FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$243Average$330FlexibilityNo cancel feeOn-time71%
DeltaCheapest$250Average$342FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$421FlexibilityNo cancel feeOn-time69%

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