Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Las Vegas to Knoxville from $75

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 8/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Las Vegas to Knoxville

Cheap round-trip flights

Allegiant Air Logo
6:45 am - 1:38 pmLAS-TYS
3h 53mnonstop
Allegiant Air Logo
2:29 pm - 3:53 pmTYS-LAS
4h 24mnonstop
$137Allegiant Air
Find Deal
Fri, Aug 8 - Mon, Aug 18
Allegiant Air Logo
9:05 am - 4:00 pmLAS-TYS
3h 55mnonstop
Allegiant Air Logo
8:30 am - 9:43 amTYS-LAS
4h 13mnonstop
$144Allegiant Air
Find Deal
Thu, Sep 25 - Mon, Sep 29
Logo
6:45 am - 1:38 pmLAS-TYS
3h 53mnonstop
Logo
6:55 am - 5:43 pmTYS-LAS
13h 48m1 stop
$157
Find Deal
Fri, Aug 8 - Mon, Aug 11
Allegiant Air Logo
6:45 am - 1:38 pmLAS-TYS
3h 53mnonstop
Allegiant Air Logo
2:28 pm - 3:35 pmTYS-LAS
4h 07mnonstop
$159Allegiant Air
Find Deal
Fri, Aug 8 - Mon, Aug 11
Logo
8:55 am - 11:08 pmLAS-TYS
11h 13m1 stop
Logo
8:30 am - 9:43 amTYS-LAS
4h 13mnonstop
$171
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
6:00 am - 7:41 pmLAS-TYS
10h 41m1 stop
Frontier Logo
8:26 pm - 11:33 pmTYS-LAS
6h 07m1 stop
$180Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Delta Logo
12:35 am - 9:11 amLAS-TYS
5h 36m1 stop
Delta Logo
4:00 pm - 7:26 pmTYS-LAS
6h 26m1 stop
$251Delta
Find Deal
Tue, Oct 7 - Tue, Oct 21
American Airlines Logo
2:38 pm - 11:53 pmLAS-TYS
6h 15m1 stop
American Airlines Logo
12:03 pm - 5:34 pmTYS-LAS
8h 31m1 stop
$270American Airlines
Find Deal
Thu, Aug 28 - Tue, Sep 2
Delta Logo
11:30 am - 9:32 pmLAS-TYS
7h 02m1 stop
Delta Logo
4:00 pm - 8:49 pmTYS-LAS
7h 49m1 stop
$285Delta
Find Deal
Wed, Oct 8 - Sat, Oct 18
American Airlines Logo
11:45 pm - 12:17 pmLAS-TYS
9h 32m1 stop
American Airlines Logo
12:03 pm - 5:34 pmTYS-LAS
8h 31m1 stop
$289American Airlines
Find Deal
Wed, Aug 6 - Mon, Aug 11

Delta flights from Las Vegas to Knoxville

Our best Delta deals on Las Vegas to Knoxville flight tickets
Delta
Oct 7
LAS12:35 amLas Vegas Harry Reid Intl
5h 36m
1 stop
TYS9:11 amKnoxville McGhee Tyson
Oct 21
TYS4:00 pmKnoxville McGhee Tyson
6h 26m
1 stop
LAS7:26 pmLas Vegas Harry Reid Intl
$251
Find similar
Delta
Oct 8
LAS11:30 amLas Vegas Harry Reid Intl
7h 02m
1 stop
TYS9:32 pmKnoxville McGhee Tyson
Oct 18
TYS4:00 pmKnoxville McGhee Tyson
7h 49m
1 stop
LAS8:49 pmLas Vegas Harry Reid Intl
$285
Find similar
Delta
Oct 13
LAS11:30 pmLas Vegas Harry Reid Intl
6h 41m
1 stop
TYS9:11 amKnoxville McGhee Tyson
Oct 18
TYS4:00 pmKnoxville McGhee Tyson
7h 49m
1 stop
LAS8:49 pmLas Vegas Harry Reid Intl
$295
Find similar

Allegiant Air flights from Las Vegas to Knoxville

Our best Allegiant Air deals on Las Vegas to Knoxville flight tickets
Allegiant Air
Aug 8
LAS6:45 amLas Vegas Harry Reid Intl
3h 53m
TYS1:38 pmKnoxville McGhee Tyson
Aug 18
TYS2:29 pmKnoxville McGhee Tyson
4h 24m
LAS3:53 pmLas Vegas Harry Reid Intl
$137
Find similar
Allegiant Air
Sep 25
LAS9:05 amLas Vegas Harry Reid Intl
3h 55m
TYS4:00 pmKnoxville McGhee Tyson
Sep 29
TYS8:30 amKnoxville McGhee Tyson
4h 13m
LAS9:43 amLas Vegas Harry Reid Intl
$144
Find similar
Allegiant Air
Aug 8
LAS6:45 amLas Vegas Harry Reid Intl
3h 53m
TYS1:38 pmKnoxville McGhee Tyson
Aug 11
TYS2:28 pmKnoxville McGhee Tyson
4h 07m
LAS3:35 pmLas Vegas Harry Reid Intl
$159
Find similar

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 July is, on average, the cheapest month to fly to Knoxville from Las Vegas, with most prices found around $270. If you aren’t able to travel during the month of July, then book flights to Knoxville from Las Vegas during October instead. Flights to Knoxville in October, while not as cheap as those in July, still average around $278.

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 Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $157. 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 $280.

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 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $317 when searching 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 $220 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 July 2025, prices for Las Vegas to Knoxville flights are approximately 27% 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

$75

Fastest flight time

3h 53m

Direct flights

Mon, Tue, Thu, Fri and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Las Vegas in the past 72 hours is $75. The best round-trip flight deal from Las Vegas to Knoxville found on momondo in the last 72 hours is $137.
The fastest flight from Las Vegas to Knoxville takes 3h 53m
Direct flights go from Las Vegas to Knoxville on Monday, Tuesday, Thursday, Friday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
Search flight deals

  • 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 53m.

  • 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
3,271 reviews
Search Frontier flights
Allegiant AirPriceFrom $137Free CancellationRating
7.2
704 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $250Free CancellationRating
8.0
7,952 reviews
Search Delta flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
8,846 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
Crossville
Murphy
Maryville
Newport
Alcoa
Oak Ridge
Lenoir City
Kodak
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.

An easier way to manage your Knoxville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/15
Tue 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States