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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 3/11. 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

Enter your travel dates to find the best prices.
Allegiant Air Logo
12:18 pm - 7:03 pm
LAS
-
TYS
3h 45mnonstop
Allegiant Air Logo
1:36 pm - 3:04 pm
TYS
-
LAS
4h 28mnonstop
$162Allegiant Air
mié., mar. 11 - lun., mar. 23
Allegiant Air Logo
4:18 pm - 11:01 pm
LAS
-
TYS
3h 43mnonstop
Allegiant Air Logo
1:40 pm - 3:28 pm
TYS
-
LAS
4h 48mnonstop
$179Allegiant Air
vie., feb. 20 - lun., feb. 23
Allegiant Air Logo
4:18 pm - 11:01 pm
LAS
-
TYS
3h 43mnonstop
Allegiant Air Logo
1:40 pm - 3:28 pm
TYS
-
LAS
4h 48mnonstop
$184Allegiant Air
vie., feb. 13 - lun., feb. 16
Allegiant Air Logo
4:11 pm - 10:54 pm
LAS
-
TYS
3h 43mnonstop
Allegiant Air Logo
10:00 am - 11:28 am
TYS
-
LAS
4h 28mnonstop
$203Allegiant Air
vie., feb. 27 - mié., mar. 4
Multiple Airlines Logo
4:18 pm - 11:01 pm
LAS
-
TYS
3h 43mnonstop
Multiple Airlines Logo
7:22 pm - 11:43 am
TYS
-
LAS
19h 21m
2 stops
$204Multiple Airlines
vie., feb. 20 - lun., feb. 23
Multiple Airlines Logo
4:18 pm - 11:01 pm
LAS
-
TYS
3h 43mnonstop
Multiple Airlines Logo
7:21 pm - 11:44 pm
TYS
-
LAS
31h 23m
2 stops
$210Multiple Airlines
vie., feb. 20 - vie., feb. 27
Allegiant Air Logo
4:11 pm - 10:54 pm
LAS
-
TYS
3h 43mnonstop
Allegiant Air Logo
1:36 pm - 3:04 pm
TYS
-
LAS
4h 28mnonstop
$211Allegiant Air
lun., mar. 2 - lun., mar. 23
Allegiant Air Logo
12:18 pm - 7:03 pm
LAS
-
TYS
3h 45mnonstop
Allegiant Air Logo
10:00 am - 11:28 am
TYS
-
LAS
4h 28mnonstop
$212Allegiant Air
mié., mar. 4 - mié., mar. 11
Allegiant Air Logo
4:11 pm - 10:54 pm
LAS
-
TYS
3h 43mnonstop
Allegiant Air Logo
10:00 am - 11:28 am
TYS
-
LAS
4h 28mnonstop
$219Allegiant Air
lun., mar. 2 - mié., mar. 4
Frontier Logo
5:30 am - 7:27 pm
LAS
-
TYS
10h 57m
1 stop
Frontier Logo
8:13 pm - 11:44 pm
TYS
-
LAS
6h 31m
1 stop
$224Frontier
vie., feb. 20 - lun., feb. 23

American Airlines flights from Las Vegas to Knoxville

Our best American Airlines deals on Las Vegas to Knoxville flight tickets
American Airlines
Feb 28
LAS6:30 amLas Vegas Harry Reid Intl
6h 07m
1 stop
TYS3:37 pmKnoxville McGhee Tyson
Mar 3
TYS4:29 pmKnoxville McGhee Tyson
8h 42m
1 stop
LAS10:11 pmLas Vegas Harry Reid Intl
$251
American Airlines
Feb 18
LAS10:40 pmLas Vegas Harry Reid Intl
7h 02m
1 stop
TYS8:42 amKnoxville McGhee Tyson
Feb 24
TYS11:42 amKnoxville McGhee Tyson
8h 25m
1 stop
LAS5:07 pmLas Vegas Harry Reid Intl
$277
American Airlines
Feb 8
LAS1:06 pmLas Vegas Harry Reid Intl
6h 41m
1 stop
TYS10:47 pmKnoxville McGhee Tyson
Feb 12
TYS6:21 pmKnoxville McGhee Tyson
8h 46m
1 stop
LAS12:07 amLas Vegas Harry Reid Intl
$813

United Airlines flights from Las Vegas to Knoxville

Our best United Airlines deals on Las Vegas to Knoxville flight tickets
United Airlines
Feb 12
LAS11:59 pmLas Vegas Harry Reid Intl
7h 20m
1 stop
TYS10:19 amKnoxville McGhee Tyson
Feb 21
TYS4:55 pmKnoxville McGhee Tyson
8h 03m
1 stop
LAS9:58 pmLas Vegas Harry Reid Intl
$434
United Airlines
Feb 12
LAS5:20 amLas Vegas Harry Reid Intl
8h 32m
2 stops
TYS4:52 pmKnoxville McGhee Tyson
Feb 21
TYS4:15 pmKnoxville McGhee Tyson
7h 16m
1 stop
LAS8:31 pmLas Vegas Harry Reid Intl
$526
United Airlines
Feb 12
LAS5:20 amLas Vegas Harry Reid Intl
12h 17m
2 stops
TYS8:37 pmKnoxville McGhee Tyson
Feb 21
TYS10:55 amKnoxville McGhee Tyson
11h 12m
2 stops
LAS7:07 pmLas Vegas Harry Reid Intl
$535

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 enero 29, 2026.
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

mié. 3/11

12:18 pm-7:03 pm

Nonstop3h 45m

Knoxville McGhee Tyson

lun. 3/23

1:36 pm-3:04 pm

Nonstop4h 28m

$162

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 2/20

4:18 pm-11:01 pm

Nonstop3h 43m

Knoxville McGhee Tyson

lun. 2/23

1:40 pm-3:28 pm

Nonstop4h 48m

$179

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 2/13

4:18 pm-11:01 pm

Nonstop3h 43m

Knoxville McGhee Tyson

lun. 2/16

1:40 pm-3:28 pm

Nonstop4h 48m

$184

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 2/27

4:11 pm-10:54 pm

Nonstop3h 43m

Knoxville McGhee Tyson

mié. 3/4

10:00 am-11:28 am

Nonstop4h 28m

$203

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 2/20

4:18 pm-11:01 pm

Nonstop3h 43m

Knoxville McGhee Tyson

lun. 2/23

7:22 pm-11:43 am

2 stops19h 21m

$204

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 2/20

4:18 pm-11:01 pm

Nonstop3h 43m

Knoxville McGhee Tyson

vie. 2/27

7:21 pm-11:44 pm

2 stops31h 23m

$210

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

lun. 3/2

4:11 pm-10:54 pm

Nonstop3h 43m

Knoxville McGhee Tyson

lun. 3/23

1:36 pm-3:04 pm

Nonstop4h 28m

$211

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

mié. 3/4

12:18 pm-7:03 pm

Nonstop3h 45m

Knoxville McGhee Tyson

mié. 3/11

10:00 am-11:28 am

Nonstop4h 28m

$212

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

lun. 3/2

4:11 pm-10:54 pm

Nonstop3h 43m

Knoxville McGhee Tyson

mié. 3/4

10:00 am-11:28 am

Nonstop4h 28m

$219

Las VegasKnoxville

LAS - TYS

LASTYS

Las Vegas Harry Reid Intl

vie. 2/20

5:30 am-7:27 pm

1 stop10h 57m

Knoxville McGhee Tyson

lun. 2/23

8:13 pm-11:44 pm

1 stop6h 31m

$224

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February instead. Flights to Knoxville in February, while not as cheap as those in September, still average around $269.

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 $200. 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 morning when prices are around $255.

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 $315 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 $137 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?

You could potentially save up to 19% on your flight if you consider stops on a Las Vegas to Knoxville flight.

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

As of January 2026, prices for Las Vegas to Knoxville flights are approximately 14% 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

$164

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 $164. The best round-trip flight deal from Las Vegas to Knoxville found on momondo in the last 72 hours is $151.
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 in Knoxville. From Las Vegas there are direct flights to 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 43m.

  • 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 $130Free CancellationRating
7.2
706 reviews
Search Allegiant Air flights
DeltaPriceFrom $157Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

  • United Airlines Flights From Las Vegas to Knoxville

    United Airlines flight deals from Las Vegas to Knoxville start from $250 round-trip. Over the 3 United Airlines flights for this route in a normal week, average airfare is usually $378 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
Murphy
Alcoa
Maryville
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
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

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