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$74+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — TYS
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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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 53 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap 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 December 5, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/4. 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 12/1210:19 amLAS - TYS
Nonstop3h 43mAllegiant Air
Mon 12/158:00 amTYS - LAS
Nonstop4h 29mAllegiant Air
Deal found 12/4$159
This Kiwi.com deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:19 amLAS - TYS
Nonstop3h 43mMultiple Airlines
Mon 12/154:52 pmTYS - LAS
1 stop17h 47mMultiple Airlines
Deal found 12/4$190
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/116:30 amLAS - TYS
1 stop12h 52mMultiple Airlines
Sun 12/144:52 pmTYS - LAS
1 stop18h 46mMultiple Airlines
Deal found 12/2$196
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/316:00 amLAS - TYS
1 stop11h 39mMultiple Airlines
Wed 1/73:53 pmTYS - LAS
2 stops32h 18mMultiple Airlines
Deal found 12/3$298
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Tue 12/91:29 pmLAS - TYS
2 stops19h 34mMultiple Airlines
Fri 12/125:56 pmTYS - LAS
1 stop16h 23mMultiple Airlines
Deal found 12/3$303
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Tue 12/91:16 amLAS - TYS
2 stops32h 55mMultiple Airlines
Fri 12/128:00 amTYS - LAS
Nonstop4h 29mMultiple Airlines
Deal found 12/3$310

Find 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$127
(Cheapflightsfares)

One-way from

$74
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$386
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. 12% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 5, 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

Fri 1/9

10:00 am-4:50 pm

Nonstop3h 50m

Knoxville McGhee Tyson

Mon 1/12

7:35 am-9:10 am

Nonstop4h 35m

$127

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 2/7

6:00 am-5:42 pm

1 stop8h 42m

Knoxville McGhee Tyson

Tue 2/10

5:15 pm-9:48 pm

1 stop7h 33m

$175

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 2/4

6:00 am-3:20 pm

1 stop6h 20m

Knoxville McGhee Tyson

Mon 2/9

4:41 pm-9:00 pm

1 stop7h 19m

$175

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 1/9

10:00 am-4:50 pm

Nonstop3h 50m

Knoxville McGhee Tyson

Fri 1/16

7:35 am-9:10 am

Nonstop4h 35m

$209

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Wed 1/14

12:27 pm-7:23 pm

1 stop27h 56m

Knoxville McGhee Tyson

Sun 1/18

8:18 pm-7:16 am

1 stop13h 58m

$226

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Thu 1/15

6:00 am-6:39 pm

1 stop9h 39m

Knoxville McGhee Tyson

Sun 1/18

10:00 am-2:48 pm

1 stop7h 48m

$228

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 1/9

10:00 am-4:50 pm

Nonstop3h 50m

Knoxville McGhee Tyson

Fri 1/16

7:15 am-11:01 pm

2 stops18h 46m

$268

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 1/9

10:00 am-4:50 pm

Nonstop3h 50m

$74

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Fri 12/12

10:19 am-5:02 pm

Nonstop3h 43m

$88

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

Sat 12/13

6:00 am-1:11 pm

1 stop28h 11m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 18 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Las Vegas-Knoxville flight deals on Cheapflights vs. eDreams >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 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 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 November 28, 2025.

The best time to book flights from Las Vegas to Knoxville is 53 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 February is currently the most expensive (average of $147). 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 December 5, 2025.

It’s typically best to fly out from Las Vegas to Knoxville at noon. Doing so could potentially save you 54% 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 December 5, 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
8,011 reviews

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
698 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 1 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 $127, Allegiant Air can have you in Knoxville from Las Vegas in 3h 50m. Airlines will cover a distance of 1734 mi. All flights are typically nonstop.

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

    Currently priced at $130, 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 Delta and American Airlines - these airlines can fly you to your destination from $157 and $243, respectively. These flights start at 60% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to Knoxville one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $75. Users have also found prices from $77 and $125 on Allegiant Air and American Airlines, respectively.

  • 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 February is currently the most expensive (average of $147). 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
Cherokee
Crossville
Morristown
Corbin
Bryson City
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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$137Average$244FlexibilityNo cancel feeOn-time88%
DeltaCheapest$240Average$344FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$352FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$421FlexibilityNo cancel feeOn-time69%

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