Which layover airport has the shortest travel time from Knoxville to Las Vegas?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 40m.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl?

Allegiant Air, United Airlines, and Frontier are the most popular carriers operating from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl

Which airport is the most popular layover for flights between Knoxville and Las Vegas?

Dallas (DFW) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Knoxville to Las Vegas?

Dallas (DFW) has the shortest average layover time for this route: 1h 08m.

Which layover airport offers the lowest fares from Knoxville to Las Vegas?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $347.

What airlines fly to Las Vegas?

Allegiant Air, American Airlines and Delta are the top three most popular airlines that fly to Las Vegas from Knoxville according to our data. Allegiant Air is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

How many flights depart from Knoxville to Las Vegas on average per week?

As of August 2025, there are 2 flights per week flying from Knoxville to Las Vegas. The most common day of the week flights depart is Mon, with 50% of flights taking off on this day.

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?

Prices for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport are updated daily.

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?

As of August 2025, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport.

How old do you have to be to fly from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl 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 Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport.

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$75 Cheap Flights from Knoxville to Las Vegas (TYS-LAS) in 2025

Q: What is the typical price of a round-trip flight between Knoxville and Las Vegas?

Prices are currently low for flights on this route. Typical prices usually range from $223 to $405. The lowest price recently found on this route was $130.

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Find the cheapest flights from Knoxville to Las Vegas (TYS-LAS)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:30 am - 9:43 amTYS-LAS

4h 13mnonstop

8:35 am - 3:28 pmLAS-TYS

3h 53mnonstop

$130Allegiant Air

Find Deal

lun., sep. 29 - jue., oct. 2

6:30 am - 7:45 amTYS-LAS

4h 15mnonstop

6:30 am - 1:23 pmLAS-TYS

3h 53mnonstop

$144Allegiant Air

Find Deal

dom., oct. 19 - vie., oct. 24

2:29 pm - 3:53 pmTYS-LAS

4h 24mnonstop

7:05 am - 2:04 pmLAS-TYS

3h 59mnonstop

$151Allegiant Air

Find Deal

lun., ago. 18 - vie., ago. 22

11:00 am - 12:13 pmTYS-LAS

4h 13mnonstop

3:35 pm - 10:30 pmLAS-TYS

3h 55mnonstop

$152Allegiant Air

Find Deal

dom., sep. 21 - vie., sep. 26

8:30 am - 9:43 amTYS-LAS

4h 13mnonstop

8:35 am - 9:17 pmLAS-TYS

9h 42m1 stop

$181

Find Deal

lun., sep. 29 - jue., oct. 2

1:50 pm - 8:48 pmTYS-LAS

9h 58m1 stop

8:35 am - 9:17 pmLAS-TYS

9h 42m1 stop

$205

Find Deal

lun., sep. 29 - jue., oct. 2

8:40 pm - 11:33 pmTYS-LAS

5h 53m1 stop

9:08 am - 7:50 pmLAS-TYS

7h 42m1 stop

$247Frontier

Find Deal

jue., sep. 18 - jue., sep. 25

3:48 pm - 7:50 pmTYS-LAS

7h 02m1 stop

11:59 pm - 9:00 amLAS-TYS

6h 01m1 stop

$251Delta

Find Deal

mié., oct. 15 - mar., nov. 4

8:36 pm - 11:34 pmTYS-LAS

5h 58m1 stop

9:04 am - 6:25 pmLAS-TYS

6h 21m1 stop

$255Frontier

Find Deal

jue., ago. 21 - lun., ago. 25

7:15 pm - 12:11 amTYS-LAS

7h 56m1 stop

12:35 am - 9:11 amLAS-TYS

5h 36m1 stop

$270Delta

Find Deal

vie., nov. 14 - lun., nov. 17

Frontier flights from Knoxville to Las Vegas

Our best Frontier deals on Knoxville to Las Vegas flight tickets

Frontier

Sep 18

TYS8:40 pmKnoxville McGhee Tyson

5h 53m

1 stop

LAS11:33 pmLas Vegas Harry Reid Intl

Sep 25

LAS9:08 amLas Vegas Harry Reid Intl

7h 42m

1 stop

TYS7:50 pmKnoxville McGhee Tyson

$247

Find similar

Frontier

Aug 21

TYS8:36 pmKnoxville McGhee Tyson

5h 58m

1 stop

LAS11:34 pmLas Vegas Harry Reid Intl

Aug 25

LAS9:04 amLas Vegas Harry Reid Intl

6h 21m

1 stop

TYS6:25 pmKnoxville McGhee Tyson

$255

Find similar

Frontier

Aug 14

TYS5:25 pmKnoxville McGhee Tyson

9h 09m

1 stop

LAS11:34 pmLas Vegas Harry Reid Intl

Aug 16

LAS12:59 amLas Vegas Harry Reid Intl

12h 30m

1 stop

TYS4:29 pmKnoxville McGhee Tyson

$258

Find similar

Allegiant Air flights from Knoxville to Las Vegas

Our best Allegiant Air deals on Knoxville to Las Vegas flight tickets

Allegiant Air

Sep 29

TYS8:30 amKnoxville McGhee Tyson

4h 13m

LAS9:43 amLas Vegas Harry Reid Intl

Oct 2

LAS8:35 amLas Vegas Harry Reid Intl

3h 53m

TYS3:28 pmKnoxville McGhee Tyson

$130

Find similar

Allegiant Air

Oct 19

TYS6:30 amKnoxville McGhee Tyson

4h 15m

LAS7:45 amLas Vegas Harry Reid Intl

Oct 24

LAS6:30 amLas Vegas Harry Reid Intl

3h 53m

TYS1:23 pmKnoxville McGhee Tyson

$144

Find similar

Allegiant Air

Aug 18

TYS2:29 pmKnoxville McGhee Tyson

4h 24m

LAS3:53 pmLas Vegas Harry Reid Intl

Aug 22

LAS7:05 amLas Vegas Harry Reid Intl

3h 59m

TYS2:04 pmKnoxville McGhee Tyson

$151

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

lun. 9/29

8:30 am-9:43 am

Nonstop4h 13m

Las Vegas Harry Reid Intl

jue. 10/2

8:35 am-3:28 pm

Nonstop3h 53m

$130

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

dom. 10/19

6:30 am-7:45 am

Nonstop4h 15m

Las Vegas Harry Reid Intl

vie. 10/24

6:30 am-1:23 pm

Nonstop3h 53m

$144

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

lun. 8/18

2:29 pm-3:53 pm

Nonstop4h 24m

Las Vegas Harry Reid Intl

vie. 8/22

7:05 am-2:04 pm

Nonstop3h 59m

$151

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

dom. 9/21

11:00 am-12:13 pm

Nonstop4h 13m

Las Vegas Harry Reid Intl

vie. 9/26

3:35 pm-10:30 pm

Nonstop3h 55m

$152

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

lun. 9/29

8:30 am-9:43 am

Nonstop4h 13m

Las Vegas Harry Reid Intl

jue. 10/2

8:35 am-9:17 pm

1 stop9h 42m

$181

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

lun. 9/29

1:50 pm-8:48 pm

1 stop9h 58m

Las Vegas Harry Reid Intl

jue. 10/2

8:35 am-9:17 pm

1 stop9h 42m

$205

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

jue. 9/18

8:40 pm-11:33 pm

1 stop5h 53m

Las Vegas Harry Reid Intl

jue. 9/25

9:08 am-7:50 pm

1 stop7h 42m

$247

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

mié. 10/15

3:48 pm-7:50 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

mar. 11/4

11:59 pm-9:00 am

1 stop6h 01m

$251

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

jue. 8/21

8:36 pm-11:34 pm

1 stop5h 58m

Las Vegas Harry Reid Intl

lun. 8/25

9:04 am-6:25 pm

1 stop6h 21m

$255

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

vie. 11/14

7:15 pm-12:11 am

1 stop7h 56m

Las Vegas Harry Reid Intl

lun. 11/17

12:35 am-9:11 am

1 stop5h 36m

$270

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to Las Vegas

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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Knoxville and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Knoxville, with most prices found around $287. The month of January is another great option to travel to Las Vegas, with average flight prices from Knoxville averaging around $288.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Wednesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $196. Flights from Knoxville to Las Vegas on a Thursday will generally be more expensive and average around $361. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the afternoon when flights can be purchased for as low as $182. Flights to Las Vegas are more costly at noon, with an average ticket price of $259. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Knoxville McGhee Tyson to Las Vegas Harry Reid Intl flight route?

Fly from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl for the best Knoxville McGhee Tyson - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $326 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Knoxville for as low as $289 on momondo.

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

There are 1 cabin classes available to choose from on Knoxville McGhee Tyson to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for Knoxville to Las Vegas flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Knoxville to Las Vegas (TYS to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Las Vegas

Best Price Found	$75
Fastest flight time	4h 07m
Direct flights	Mon, Tue, Fri and Sat
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Knoxville in the past 72 hours is $75. The best round-trip flight deal from Knoxville to Las Vegas found on momondo in the last 72 hours is $130.

The fastest flight from Knoxville to Las Vegas takes 4h 07m

Direct flights go from Knoxville to Las Vegas on Monday, Tuesday, Friday and Saturday. The only airline offering direct flights is Allegiant Air.

There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

Search flight deals

How far is Knoxville McGhee Tyson to Las Vegas Harry Reid Intl by plane?
The distance between Knoxville McGhee Tyson and Las Vegas Harry Reid Intl is about 1734.7 mi. Flights usually cover this in 4h 13m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?
As of August 2025, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl 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 Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Knoxville to Las Vegas?
Based on momondo bookings for flights between Knoxville and Las Vegas, the leading plane model is Airbus A320-100/200, making up 90.29% of the total bookings. Other popular models include Airbus A319 with 5.83%, Boeing 737 MAX 8 with 0.97%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 0.97%.
What is the most popular airline from Knoxville to Las Vegas?
Based on momondo bookings for flights between Knoxville and Las Vegas, the leading airline is American Airlines, making up 36% of the total bookings. Other popular airlines include Allegiant Air with 35%, Delta with 18%, and United Airlines with 8%.

Best airlines flying from Knoxville to Las Vegas

Compare and see reviews for airlines that fly from Knoxville to Las Vegas with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $118	Free Cancellation	Rating 5.8 3,231 reviews	Search Frontier flights
Allegiant Air	PriceFrom $130	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Delta	PriceFrom $237	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
American Airlines	PriceFrom $267	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Allegiant Air Flights From Knoxville to Las Vegas
Across 2 Allegiant Air flights from Knoxville to Las Vegas this week, the average price was $254, with the best Allegiant Air deals starting from $130 round-trip. 702 users have rated Allegiant Air on momondo, with an average score of 7.2/10.

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Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Las Vegas?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas from Knoxville.

Can I find flights from Knoxville to Las Vegas with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Las Vegas from Knoxville with this policy.

How can momondo help me find flights from Knoxville to Las Vegas?

Once all potential Knoxville to Las Vegas 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 Knoxville to Las Vegas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Knoxville to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.

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Cheap flights from Knoxville to Las Vegas 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 Knoxville to Las Vegas departing on 9/8. 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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Frontier flights from Knoxville to Las Vegas

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Our best Allegiant Air deals on Knoxville to Las Vegas flight tickets

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Use the filters below to find and compare flights from Knoxville to Las Vegas that are best for you.

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How to get the cheapest flight ticket from Knoxville to Las Vegas

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 typical price of a round-trip flight between Knoxville and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Knoxville, with most prices found around $287. The month of January is another great option to travel to Las Vegas, with average flight prices from Knoxville averaging around $288.

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

What is the cheapest Knoxville McGhee Tyson to Las Vegas Harry Reid Intl flight route?

Fly from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl for the best Knoxville McGhee Tyson - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

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

There are 1 cabin classes available to choose from on Knoxville McGhee Tyson to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for Knoxville to Las Vegas flights are approximately 21% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl?

Allegiant Air, United Airlines, and Frontier are the most popular carriers operating from Knoxville McGhee Tyson to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

Which airport is the most popular layover for flights between Knoxville and Las Vegas?

Dallas (DFW) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Knoxville to Las Vegas?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $347.

Which layover airport has the shortest travel time from Knoxville to Las Vegas?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 40m.

Which layover airport has the shortest connection time from Knoxville to Las Vegas?

Dallas (DFW) has the shortest average layover time for this route: 1h 08m.

How many flights depart from Knoxville to Las Vegas on average per week?

As of August 2025, there are 2 flights per week flying from Knoxville to Las Vegas. The most common day of the week flights depart is Mon, with 50% of flights taking off on this day.

When to book flights from Knoxville to Las Vegas

Cheap Knoxville to Las Vegas (TYS to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Las Vegas

Best Price Found

Fastest flight time

Direct flights

Airports in Las Vegas

How far is Knoxville McGhee Tyson to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly from Knoxville McGhee Tyson Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

What is the most popular plane model from Knoxville to Las Vegas?

What is the most popular airline from Knoxville to Las Vegas?

Best airlines flying from Knoxville to Las Vegas

Compare and see reviews for airlines that fly from Knoxville to Las Vegas with momondo

Allegiant Air Flights From Knoxville to Las Vegas

Traveling to a place near Las Vegas?

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Las Vegas?

Can I find flights from Knoxville to Las Vegas with flexible booking policies on momondo?

How can momondo help me find flights from Knoxville to Las Vegas?

I’m not ready to book a flight from Knoxville to Las Vegas right now. Can momondo alert me if prices change?

An easier way to manage your Las Vegas 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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