Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Las Vegas to Knoxville from $116

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 1/14. 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

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:07 am - 4:55 pmLAS-TYS
3h 48mnonstop
Allegiant Air Logo
8:00 am - 9:17 amTYS-LAS
4h 17mnonstop
$191Allegiant Air
Find Deal
vie., nov. 14 - lun., nov. 17
Multiple Airlines Logo
6:15 am - 4:49 pmLAS-TYS
7h 34m1 stop
Multiple Airlines Logo
1:16 pm - 2:15 pmTYS-LAS
27h 59m1 stop
$216Multiple Airlines
Find Deal
dom., nov. 9 - jue., nov. 13
Multiple Airlines Logo
9:48 am - 4:49 pmLAS-TYS
28h 01m1 stop
Multiple Airlines Logo
10:00 am - 11:28 amTYS-LAS
4h 28mnonstop
$246Multiple Airlines
Find Deal
sáb., nov. 15 - mié., mar. 11
Multiple Airlines Logo
4:56 pm - 6:22 pmLAS-TYS
22h 26m1 stop
Multiple Airlines Logo
10:00 am - 11:28 amTYS-LAS
4h 28mnonstop
$247Multiple Airlines
Find Deal
sáb., nov. 15 - mié., mar. 11
Multiple Airlines Logo
10:46 am - 5:32 pmLAS-TYS
3h 46mnonstop
Multiple Airlines Logo
12:24 pm - 11:08 pmTYS-LAS
13h 44m1 stop
$249Multiple Airlines
Find Deal
vie., nov. 21 - dom., nov. 23
Frontier Logo
8:30 pm - 3:31 pmLAS-TYS
16h 01m1 stop
Frontier Logo
4:46 pm - 11:42 pmTYS-LAS
9h 56m1 stop
$285Frontier
Find Deal
mié., dic. 24 - lun., dic. 29
Frontier Logo
8:30 pm - 3:31 pmLAS-TYS
16h 01m1 stop
Frontier Logo
4:46 pm - 11:42 pmTYS-LAS
9h 56m1 stop
$296Frontier
Find Deal
mié., dic. 24 - lun., dic. 29
Delta Logo
12:43 am - 10:45 amLAS-TYS
7h 02m1 stop
Delta Logo
5:30 am - 10:25 amTYS-LAS
7h 55m1 stop
$298Delta
Find Deal
lun., nov. 10 - mar., mar. 10
American Airlines Logo
8:00 am - 5:38 pmLAS-TYS
6h 38m1 stop
American Airlines Logo
5:14 pm - 10:24 pmTYS-LAS
8h 10m1 stop
$315American Airlines
Find Deal
mié., feb. 4 - lun., feb. 9
American Airlines Logo
6:30 am - 5:38 pmLAS-TYS
8h 08m2 stops
American Airlines Logo
5:14 pm - 10:24 pmTYS-LAS
8h 10m1 stop
$320American Airlines
Find Deal
mié., feb. 4 - lun., feb. 9

Allegiant Air flights from Las Vegas to Knoxville

Our best Allegiant Air deals on Las Vegas to Knoxville flight tickets
Allegiant Air
Nov 14
LAS10:07 amLas Vegas Harry Reid Intl
3h 48m
TYS4:55 pmKnoxville McGhee Tyson
Nov 17
TYS8:00 amKnoxville McGhee Tyson
4h 17m
LAS9:17 amLas Vegas Harry Reid Intl
$191
Find similar
Allegiant Air
Nov 14
LAS10:07 amLas Vegas Harry Reid Intl
3h 48m
TYS4:55 pmKnoxville McGhee Tyson
Mar 11
TYS10:00 amKnoxville McGhee Tyson
4h 28m
LAS11:28 amLas Vegas Harry Reid Intl
$272
Find similar
Allegiant Air
Nov 14
LAS10:07 amLas Vegas Harry Reid Intl
3h 48m
TYS4:55 pmKnoxville McGhee Tyson
Mar 11
TYS10:00 amKnoxville McGhee Tyson
4h 28m
LAS11:28 amLas Vegas Harry Reid Intl
$278
Find similar

Frontier flights from Las Vegas to Knoxville

Our best Frontier deals on Las Vegas to Knoxville flight tickets
Frontier
Dec 24
LAS8:30 pmLas Vegas Harry Reid Intl
16h 01m
1 stop
TYS3:31 pmKnoxville McGhee Tyson
Dec 29
TYS4:46 pmKnoxville McGhee Tyson
9h 56m
1 stop
LAS11:42 pmLas Vegas Harry Reid Intl
$285
Find similar
Frontier
Dec 24
LAS8:30 pmLas Vegas Harry Reid Intl
16h 01m
1 stop
TYS3:31 pmKnoxville McGhee Tyson
Dec 29
TYS4:46 pmKnoxville McGhee Tyson
9h 56m
1 stop
LAS11:42 pmLas Vegas Harry Reid Intl
$296
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated octubre 27, 2025.
Use the filters below to find and compare flights from Las Vegas to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 11/14

10:07 am-4:55 pm

Nonstop3h 48m

Knoxville McGhee Tyson

lun. 11/17

8:00 am-9:17 am

Nonstop4h 17m

$191

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

dom. 11/9

6:15 am-4:49 pm

1 stop7h 34m

Knoxville McGhee Tyson

jue. 11/13

1:16 pm-2:15 pm

1 stop27h 59m

$216

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

sáb. 11/15

9:48 am-4:49 pm

1 stop28h 01m

Knoxville McGhee Tyson

mié. 3/11

10:00 am-11:28 am

Nonstop4h 28m

$246

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

sáb. 11/15

4:56 pm-6:22 pm

1 stop22h 26m

Knoxville McGhee Tyson

mié. 3/11

10:00 am-11:28 am

Nonstop4h 28m

$247

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 11/21

10:46 am-5:32 pm

Nonstop3h 46m

Knoxville McGhee Tyson

dom. 11/23

12:24 pm-11:08 pm

1 stop13h 44m

$249

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

mié. 12/24

8:30 pm-3:31 pm

1 stop16h 01m

Knoxville McGhee Tyson

lun. 12/29

4:46 pm-11:42 pm

1 stop9h 56m

$285

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

mié. 12/24

8:30 pm-3:31 pm

1 stop16h 01m

Knoxville McGhee Tyson

lun. 12/29

4:46 pm-11:42 pm

1 stop9h 56m

$296

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

lun. 11/10

12:43 am-10:45 am

1 stop7h 02m

Knoxville McGhee Tyson

mar. 3/10

5:30 am-10:25 am

1 stop7h 55m

$298

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

mié. 2/4

8:00 am-5:38 pm

1 stop6h 38m

Knoxville McGhee Tyson

lun. 2/9

5:14 pm-10:24 pm

1 stop8h 10m

$315

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

mié. 2/4

6:30 am-5:38 pm

2 stops8h 08m

Knoxville McGhee Tyson

lun. 2/9

5:14 pm-10:24 pm

1 stop8h 10m

$320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September is, on average, the cheapest month to fly to Knoxville from Las Vegas, with most prices found around $263. If you aren’t able to travel during the month of September, then book flights to Knoxville from Las Vegas during April instead. Flights to Knoxville in April, while not as cheap as those in September, 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 Friday. Travelers who choose to depart for Knoxville on a Friday will often find tickets for as low as $206. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to Knoxville for around $320.

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 $144. 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 $318 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 $206 on momondo.

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

There is only 1 cabin class 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.

Can stopping save me money on Las Vegas to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Knoxville.

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

As of October 2025, prices for Las Vegas to Knoxville flights are approximately 53% more expensive 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

$154

Fastest flight time

3h 43m

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 $154. The best round-trip flight deal from Las Vegas to Knoxville found on momondo in the last 72 hours is $252.
The fastest flight from Las Vegas to Knoxville takes 3h 43m
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)
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 46m.

  • 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
Allegiant AirPriceFrom $137Free CancellationRating
7.2
695 reviews
Search Allegiant Air flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,996 reviews
Search Delta flights
American AirlinesPriceFrom $243Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

  • Allegiant Air Flights From Las Vegas to Knoxville

    Allegiant Air flight deals from Las Vegas to Knoxville start from $137 round-trip. Over the 1 Allegiant Air flight for this route in a normal week, average airfare is usually $243 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
Crossville
Maryville
Murphy
Alcoa
Oak Ridge
Lenoir City
Newport
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
mié. 11/26
mié. 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States