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Cheap flights from Las Vegas to Knoxville from $115

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 3/17. 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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Find the cheapest flights from Las Vegas to Knoxville

Cheap round-trip flights

These are some of the best round-trip flight deals from Las Vegas to Knoxville that have been recently found on momondo from popular airlines, departing in the coming months.
1:19 pm - 8:09 pmLAS-TYS
3h 50mnonstop
12:50 pm - 2:19 pmTYS-LAS
4h 29mnonstop
$130Allegiant Air
Find Deal
Wed, Apr 9 - Mon, Apr 14
1:19 pm - 8:09 pmLAS-TYS
3h 50mnonstop
12:50 pm - 2:19 pmTYS-LAS
4h 29mnonstop
$137Allegiant Air
Find Deal
Wed, Apr 2 - Mon, Apr 14
12:59 am - 3:23 pmLAS-TYS
11h 24m1 stop
4:43 pm - 11:54 pmTYS-LAS
10h 11m1 stop
$170Frontier
Find Deal
Wed, Mar 5 - Sun, Mar 9
5:00 am - 2:24 pmLAS-TYS
6h 24m1 stop
5:22 am - 9:07 amTYS-LAS
6h 45m1 stop
$229American Airlines
Find Deal
Sat, May 3 - Sat, May 10
12:40 am - 9:23 amLAS-TYS
5h 43m1 stop
5:45 am - 9:54 amTYS-LAS
7h 09m1 stop
$237Delta
Find Deal
Tue, Apr 8 - Sat, Apr 12
2:24 pm - 12:03 amLAS-TYS
6h 39m1 stop
6:21 pm - 11:46 pmTYS-LAS
8h 25m1 stop
$259American Airlines
Find Deal
Tue, Mar 25 - Mon, Mar 31
10:18 am - 9:30 pmLAS-TYS
8h 12m1 stop
5:45 am - 9:54 amTYS-LAS
7h 09m1 stop
$263Delta
Find Deal
Fri, Apr 11 - Sat, Apr 12
12:50 am - 9:59 amLAS-TYS
6h 09m1 stop
5:25 pm - 11:44 pmTYS-LAS
9h 19m1 stop
$310United Airlines
Find Deal
Fri, Mar 14 - Thu, Mar 20
12:50 am - 9:59 amLAS-TYS
6h 09m1 stop
5:25 pm - 11:44 pmTYS-LAS
9h 19m1 stop
$330United Airlines
Find Deal
Fri, Mar 14 - Fri, Mar 21
12:59 am - 3:23 pmLAS-TYS
11h 24m1 stop
4:23 pm - 11:54 pmTYS-LAS
10h 31m1 stop
$465Frontier
Find Deal
Wed, Mar 19 - Thu, Mar 27

Allegiant Air flights from Las Vegas to Knoxville

Our best Allegiant Air deals on Las Vegas to Knoxville flight tickets
Allegiant Air
Apr 9
LAS1:19 pmLas Vegas Harry Reid Intl
3h 50m
TYS8:09 pmKnoxville McGhee Tyson
Apr 14
TYS12:50 pmKnoxville McGhee Tyson
4h 29m
LAS2:19 pmLas Vegas Harry Reid Intl
Allegiant Air
Apr 2
LAS1:19 pmLas Vegas Harry Reid Intl
3h 50m
TYS8:09 pmKnoxville McGhee Tyson
Apr 14
TYS12:50 pmKnoxville McGhee Tyson
4h 29m
LAS2:19 pmLas Vegas Harry Reid Intl
Allegiant Air
Mar 7
LAS3:12 pmLas Vegas Harry Reid Intl
3h 40m
TYS9:52 pmKnoxville McGhee Tyson
Mar 10
TYS12:50 pmKnoxville McGhee Tyson
4h 32m
LAS2:22 pmLas Vegas Harry Reid Intl

Frontier flights from Las Vegas to Knoxville

Our best Frontier deals on Las Vegas to Knoxville flight tickets
Frontier
Mar 5
LAS12:59 amLas Vegas Harry Reid Intl
11h 24m
1 stop
TYS3:23 pmKnoxville McGhee Tyson
Mar 9
TYS4:43 pmKnoxville McGhee Tyson
10h 11m
1 stop
LAS11:54 pmLas Vegas Harry Reid Intl
Frontier
Mar 19
LAS12:59 amLas Vegas Harry Reid Intl
11h 24m
1 stop
TYS3:23 pmKnoxville McGhee Tyson
Mar 27
TYS4:23 pmKnoxville McGhee Tyson
10h 31m
1 stop
LAS11:54 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 $268. If you aren’t able to travel during the month of August, then book flights to Knoxville from Las Vegas during July instead. Flights to Knoxville in July, while not as cheap as those in August, still average around $285.

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 $175. 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 $182. 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 5 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $331 when searching 5 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 $277 on momondo.

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

There are 2 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 February 2025, prices for Las Vegas to Knoxville flights are approximately 10% 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

$115

Fastest flight time

3h 35m

Direct flights

Tue, Thu and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Las Vegas in the past 72 hours is $115. The best round-trip flight deal from Las Vegas to Knoxville found on momondo in the last 72 hours is $130.
The fastest flight from Las Vegas to Knoxville takes 3h 35m
Direct flights go from Las Vegas to Knoxville on Tuesday, Thursday 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 35m.

  • 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
3,355 reviews
Search Frontier flights
Allegiant AirPriceFrom $139Free CancellationRating
7.3
765 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $250Free CancellationRating
8.0
8,219 reviews
Search Delta flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
8,765 reviews
Search United Airlines flights

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
Maryville
Crossville
Murphy
Newport
Oak Ridge
Alcoa
Kodak
Clinton
Lenoir City
Dandridge
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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