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Cheap flights from Las Vegas to Knoxville from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Knoxville departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Las Vegas to Knoxville

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Las Vegas to Knoxville.
Allegiant Air Logo
3:09 pm - 9:59 pmLAS-TYS
3h 50mnonstop
Allegiant Air Logo
12:50 pm - 2:19 pmTYS-LAS
4h 29mnonstop
$144Allegiant Air
Find Deal
Fri, May 2 - Mon, May 5
Allegiant Air Logo
3:09 pm - 9:59 pmLAS-TYS
3h 50mnonstop
Allegiant Air Logo
2:34 pm - 3:58 pmTYS-LAS
4h 24mnonstop
$160Allegiant Air
Find Deal
Fri, May 9 - Mon, May 19
 Logo
3:09 pm - 9:59 pmLAS-TYS
3h 50mnonstop
 Logo
10:53 am - 6:32 amTYS-LAS
22h 39m1 stop
Fri, May 2 - Mon, May 5
American Airlines Logo
12:59 am - 11:34 amLAS-TYS
7h 35m1 stop
American Airlines Logo
6:21 pm - 9:59 pmTYS-LAS
6h 38m1 stop
$229American Airlines
Find Deal
Tue, Apr 29 - Sat, May 3
American Airlines Logo
12:59 am - 11:34 amLAS-TYS
7h 35m1 stop
American Airlines Logo
12:34 pm - 4:12 pmTYS-LAS
6h 38m1 stop
$259American Airlines
Find Deal
Mon, Apr 28 - Fri, May 9
Delta Logo
12:35 am - 11:07 amLAS-TYS
7h 32m1 stop
Delta Logo
4:00 pm - 9:37 pmTYS-LAS
8h 37m1 stop
$268Delta
Find Deal
Mon, Jul 28 - Sat, Aug 2
Delta Logo
12:55 am - 9:40 amLAS-TYS
5h 45m1 stop
Delta Logo
7:10 pm - 10:44 pmTYS-LAS
6h 34m1 stop
$273Delta
Find Deal
Thu, May 29 - Mon, Jun 2
United Airlines Logo
7:29 pm - 10:15 amLAS-TYS
11h 46m2 stops
United Airlines Logo
9:15 am - 1:49 pmTYS-LAS
7h 34m1 stop
$324United Airlines
Find Deal
Sat, May 3 - Sat, May 10
United Airlines Logo
10:46 am - 11:07 pmLAS-TYS
9h 21m2 stops
United Airlines Logo
1:57 pm - 8:29 pmTYS-LAS
9h 32m2 stops
$329United Airlines
Find Deal
Sat, May 3 - Sat, May 10
Frontier Logo
12:59 am - 4:29 pmLAS-TYS
12h 30m1 stop
Frontier Logo
5:25 pm - 9:09 pmTYS-LAS
6h 44m1 stop
$569Frontier
Find Deal
Wed, Jul 2 - Sun, Jul 6

Allegiant Air flights from Las Vegas to Knoxville

Our best Allegiant Air deals on Las Vegas to Knoxville flight tickets
Allegiant Air
May 2
LAS3:09 pmLas Vegas Harry Reid Intl
3h 50m
TYS9:59 pmKnoxville McGhee Tyson
May 5
TYS12:50 pmKnoxville McGhee Tyson
4h 29m
LAS2:19 pmLas Vegas Harry Reid Intl
Allegiant Air
May 9
LAS3:09 pmLas Vegas Harry Reid Intl
3h 50m
TYS9:59 pmKnoxville McGhee Tyson
May 19
TYS2:34 pmKnoxville McGhee Tyson
4h 24m
LAS3:58 pmLas Vegas Harry Reid Intl
Allegiant Air
May 9
LAS3:09 pmLas Vegas Harry Reid Intl
3h 50m
TYS9:59 pmKnoxville McGhee Tyson
May 16
TYS2:14 pmKnoxville McGhee Tyson
4h 24m
LAS3:38 pmLas Vegas Harry Reid Intl

United Airlines flights from Las Vegas to Knoxville

Our best United Airlines deals on Las Vegas to Knoxville flight tickets
United Airlines
May 3
LAS7:29 pmLas Vegas Harry Reid Intl
11h 46m
2 stops
TYS10:15 amKnoxville McGhee Tyson
May 10
TYS9:15 amKnoxville McGhee Tyson
7h 34m
1 stop
LAS1:49 pmLas Vegas Harry Reid Intl
United Airlines
May 3
LAS10:46 amLas Vegas Harry Reid Intl
9h 21m
2 stops
TYS11:07 pmKnoxville McGhee Tyson
May 10
TYS1:57 pmKnoxville McGhee Tyson
9h 32m
2 stops
LAS8:29 pmLas Vegas Harry Reid Intl
United Airlines
Apr 29
LAS6:00 amLas Vegas Harry Reid Intl
11h 06m
2 stops
TYS8:06 pmKnoxville McGhee Tyson
May 9
TYS4:14 pmKnoxville McGhee Tyson
9h 26m
1 stop
LAS10:40 pmLas Vegas Harry Reid Intl

See travel insights to Knoxville from

How to get the cheapest flight ticket from Las Vegas to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from Las Vegas, with most prices found around $264. If you aren’t able to travel during the month of August, then book flights to Knoxville from Las Vegas during April instead. Flights to Knoxville in April, while not as cheap as those in August, still average around $286.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Las Vegas to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $174. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to Knoxville for around $289.

What is the cheapest time of day to depart on your flight to Knoxville?

At noon is the cheapest time of day to fly from Las Vegas to Knoxville when you can find flight prices for as low as $181. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the evening when prices are around $313.

What is the cheapest Las Vegas Harry Reid Intl to Knoxville McGhee Tyson flight route?

Fly from Las Vegas Harry Reid Intl to Knoxville McGhee Tyson for the best Las Vegas Harry Reid Intl - Knoxville McGhee Tyson flight prices

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Las Vegas when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $331 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Las Vegas for as low as $256 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to Knoxville McGhee Tyson flights?

There are 1 cabin classes available to choose from on Las Vegas Harry Reid Intl to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Las Vegas to Knoxville flight prices changed over time?

As of April 2025, prices for Las Vegas to Knoxville flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Knoxville (LAS to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Knoxville

Best Price Found

$82

Fastest flight time

3h 50m

Direct flights

Tue, Fri and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Las Vegas in the past 72 hours is $82. The best round-trip flight deal from Las Vegas to Knoxville found on momondo in the last 72 hours is $144.
The fastest flight from Las Vegas to Knoxville takes 3h 50m
Direct flights go from Las Vegas to Knoxville on Tuesday, Friday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Las Vegas Harry Reid Intl to Knoxville McGhee Tyson by plane?

    Las Vegas Harry Reid Intl and Knoxville McGhee Tyson are 1734.7 mi apart from one another. A reasonable flight in good conditions will take 3h 50m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Knoxville McGhee Tyson Airport are updated daily.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The necessary travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to Knoxville?

  • What is the most popular airline from Las Vegas to Knoxville?


Best airlines flying from Las Vegas to Knoxville

Compare and see reviews for airlines that fly from Las Vegas to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $116Free CancellationRating
6.0
3,276 reviews
Search Frontier flights
Allegiant AirPriceFrom $139Free CancellationRating
7.3
731 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $232Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $240Free CancellationRating
8.0
7,898 reviews
Search Delta flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
  • United Airlines Flights From Las Vegas to Knoxville

    United Airlines flight deals from Las Vegas to Knoxville start from $264 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $402 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Murphy
Crossville
Maryville
Newport
Alcoa
Oak Ridge
Kodak
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Knoxville?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to Knoxville for you.

Can I find flights from Las Vegas to Knoxville with flexible booking policies on momondo?

All flight searches from Las Vegas to Knoxville on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to Knoxville?

Once all potential Las Vegas to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Las Vegas to Knoxville right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Knoxville, momondo offers a useful price alert feature which will track prices for flights to Knoxville from Las Vegas and alert you when they change.


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