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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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
6:45 am - 1:38 pmLAS-TYS
3h 53mnonstop
Allegiant Air Logo
2:28 pm - 3:35 pmTYS-LAS
4h 07mnonstop
$152Allegiant Air
Find Deal
Fri, Jul 25 - Mon, Jul 28
Allegiant Air Logo
6:45 am - 1:40 pmLAS-TYS
3h 55mnonstop
Allegiant Air Logo
2:28 pm - 3:38 pmTYS-LAS
4h 10mnonstop
$167Allegiant Air
Find Deal
Fri, Jun 13 - Mon, Jun 30
Frontier Logo
12:59 am - 4:35 pmLAS-TYS
12h 36m1 stop
Frontier Logo
5:30 pm - 11:36 pmTYS-LAS
9h 06m1 stop
$218Frontier
Find Deal
Wed, May 21 - Thu, May 29
American Airlines Logo
12:59 am - 11:41 amLAS-TYS
7h 42m1 stop
American Airlines Logo
5:05 am - 8:59 amTYS-LAS
6h 54m1 stop
$240American Airlines
Find Deal
Tue, May 27 - Tue, Jun 3
Delta Logo
10:35 pm - 9:53 amLAS-TYS
8h 18m1 stop
Delta Logo
12:00 pm - 5:15 pmTYS-LAS
8h 15m1 stop
$244Delta
Find Deal
Sat, Jul 5 - Tue, Jul 8
American Airlines Logo
12:59 am - 11:43 amLAS-TYS
7h 44m1 stop
American Airlines Logo
6:28 pm - 11:43 pmTYS-LAS
8h 15m1 stop
$251American Airlines
Find Deal
Mon, May 26 - Wed, Jun 4
Delta Logo
6:00 am - 3:15 pmLAS-TYS
6h 15m1 stop
Delta Logo
6:10 pm - 10:42 pmTYS-LAS
7h 32m1 stop
$263Delta
Find Deal
Sat, Jul 5 - Sun, Jul 13
United Airlines Logo
8:00 am - 7:56 pmLAS-TYS
8h 56m1 stop
United Airlines Logo
5:38 pm - 12:27 amTYS-LAS
9h 49m2 stops
$335United Airlines
Find Deal
Wed, May 28 - Tue, Jun 3
United Airlines Logo
9:46 am - 10:40 pmLAS-TYS
9h 54m2 stops
United Airlines Logo
7:00 am - 4:07 pmTYS-LAS
12h 07m2 stops
$340United Airlines
Find Deal
Wed, May 28 - Tue, Jun 3
Frontier Logo
12:59 am - 4:29 pmLAS-TYS
12h 30m1 stop
Frontier Logo
5:25 pm - 11:36 pmTYS-LAS
9h 11m1 stop
$512Frontier
Find Deal
Sat, Jun 14 - Sun, Jun 22

American Airlines flights from Las Vegas to Knoxville

Our best American Airlines deals on Las Vegas to Knoxville flight tickets
American Airlines
May 27
LAS12:59 amLas Vegas Harry Reid Intl
7h 42m
1 stop
TYS11:41 amKnoxville McGhee Tyson
Jun 3
TYS5:05 amKnoxville McGhee Tyson
6h 54m
1 stop
LAS8:59 amLas Vegas Harry Reid Intl
American Airlines
May 26
LAS12:59 amLas Vegas Harry Reid Intl
7h 44m
1 stop
TYS11:43 amKnoxville McGhee Tyson
Jun 4
TYS6:28 pmKnoxville McGhee Tyson
8h 15m
1 stop
LAS11:43 pmLas Vegas Harry Reid Intl
American Airlines
May 30
LAS7:00 amLas Vegas Harry Reid Intl
9h 25m
1 stop
TYS7:25 pmKnoxville McGhee Tyson
Jun 2
TYS3:00 pmKnoxville McGhee Tyson
9h 17m
1 stop
LAS9:17 pmLas Vegas Harry Reid Intl

Delta flights from Las Vegas to Knoxville

Our best Delta deals on Las Vegas to Knoxville flight tickets
Delta
Jul 5
LAS10:35 pmLas Vegas Harry Reid Intl
8h 18m
1 stop
TYS9:53 amKnoxville McGhee Tyson
Jul 8
TYS12:00 pmKnoxville McGhee Tyson
8h 15m
1 stop
LAS5:15 pmLas Vegas Harry Reid Intl
Delta
Jul 5
LAS6:00 amLas Vegas Harry Reid Intl
6h 15m
1 stop
TYS3:15 pmKnoxville McGhee Tyson
Jul 13
TYS6:10 pmKnoxville McGhee Tyson
7h 32m
1 stop
LAS10:42 pmLas Vegas Harry Reid Intl
Delta
Jul 25
LAS6:05 amLas Vegas Harry Reid Intl
8h 18m
1 stop
TYS5:23 pmKnoxville McGhee Tyson
Jul 28
TYS5:15 pmKnoxville McGhee Tyson
7h 04m
1 stop
LAS9:19 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 $274. 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 $283.

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 $327 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 $236 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 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 $152.
The fastest flight from Las Vegas to Knoxville takes 3h 50m
Direct flights go from Las Vegas to Knoxville on Tuesday 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 $127Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
Allegiant AirPriceFrom $139Free CancellationRating
7.3
734 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $240Free CancellationRating
8.0
7,920 reviews
Search Delta flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
8,685 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.

  • Allegiant Air Flights From Las Vegas to Knoxville

    The best Allegiant Air deal for Las Vegas to Knoxville flight tickets found on momondo in the last 72 hours was $139, round-trip. It should be noted that an average Allegiant Air flight deal for this route in this time was higher, at $228 round-trip. Allegiant Air operates 2 flights out of Las Vegas into Knoxville in an average week, so prices vary by time and availability. 734 Allegiant Air reviews by users on momondo have scored the airline at 7.3/10.


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
Crossville
Murphy
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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