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 23m.

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

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

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 57% 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.

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

Dallas (DFW) was the most common stop: 60% 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 $291.

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 52m.

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 July 2026, 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.

$86 Cheap Flights from Knoxville to Las Vegas in 2026

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 $278 to $431. The lowest price recently found on this route was $160.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Las Vegas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:47 pm - 4:06 pm

TYS

LAS

4h 19mnonstop

7:00 am - 1:57 pm

LAS

TYS

3h 57mnonstop

$160Allegiant Air

Fri, Aug 7 - Fri, Aug 14

6:30 am - 7:44 am

TYS

LAS

4h 14mnonstop

4:09 pm - 11:01 pm

LAS

TYS

3h 52mnonstop

$175Allegiant Air

Mon, Sep 28 - Thu, Oct 1

1:26 pm - 3:05 pm

TYS

LAS

28h 39m

1 stop

2:48 pm - 9:46 pm

LAS

TYS

3h 58mnonstop

$199Multiple Airlines

Fri, Aug 21 - Mon, Aug 24

12:53 pm - 11:45 am

TYS

LAS

25h 52m

1 stop

7:00 am - 1:57 pm

LAS

TYS

3h 57mnonstop

$207Multiple Airlines

Mon, Jul 27 - Mon, Aug 3

2:47 pm - 3:54 pm

TYS

LAS

4h 07mnonstop

7:00 am - 1:57 pm

LAS

TYS

3h 57mnonstop

$209Allegiant Air

Mon, Jul 27 - Mon, Aug 3

8:20 am - 9:34 am

TYS

LAS

4h 14mnonstop

2:22 pm - 9:14 pm

LAS

TYS

3h 52mnonstop

$211Allegiant Air

Sun, Sep 27 - Fri, Oct 2

2:47 pm - 4:05 pm

TYS

LAS

4h 18mnonstop

2:21 pm - 9:13 pm

LAS

TYS

3h 52mnonstop

$213Allegiant Air

Mon, Oct 12 - Fri, Oct 16

5:59 pm - 11:39 pm

TYS

LAS

8h 40m

1 stop

7:00 am - 1:57 pm

LAS

TYS

3h 57mnonstop

$218Allegiant Air

Sat, Aug 1 - Fri, Aug 7

5:59 pm - 11:39 pm

TYS

LAS

8h 40m

1 stop

7:00 am - 1:57 pm

LAS

TYS

3h 57mnonstop

$219Allegiant Air

Sat, Aug 1 - Fri, Aug 7

12:53 pm - 11:45 am

TYS

LAS

25h 52m

1 stop

11:39 pm - 10:01 pm

LAS

TYS

19h 22m

1 stop

$221Multiple Airlines

Mon, Jul 27 - Fri, Jul 31

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Allegiant Air flights from Knoxville to Las Vegas

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

Allegiant Air

Aug 7

TYS2:47 pmKnoxville McGhee Tyson

4h 19m

LAS4:06 pmLas Vegas Harry Reid Intl

Aug 14

LAS7:00 amLas Vegas Harry Reid Intl

3h 57m

TYS1:57 pmKnoxville McGhee Tyson

$160

Allegiant Air

Sep 28

TYS6:30 amKnoxville McGhee Tyson

4h 14m

LAS7:44 amLas Vegas Harry Reid Intl

Oct 1

LAS4:09 pmLas Vegas Harry Reid Intl

3h 52m

TYS11:01 pmKnoxville McGhee Tyson

$175

Allegiant Air

Jul 27

TYS2:47 pmKnoxville McGhee Tyson

4h 07m

LAS3:54 pmLas Vegas Harry Reid Intl

Aug 3

LAS7:00 amLas Vegas Harry Reid Intl

3h 57m

TYS1:57 pmKnoxville McGhee Tyson

$209

Frontier flights from Knoxville to Las Vegas

Our best Frontier deals on Knoxville to Las Vegas flight tickets

Frontier

Aug 7

TYS8:19 pmKnoxville McGhee Tyson

26h 45m

1 stop

LAS8:04 pmLas Vegas Harry Reid Intl

Aug 12

LAS6:00 amLas Vegas Harry Reid Intl

10h 24m

1 stop

TYS7:24 pmKnoxville McGhee Tyson

$260

Frontier

Jul 24

TYS8:19 pmKnoxville McGhee Tyson

24h 10m

1 stop

LAS5:29 pmLas Vegas Harry Reid Intl

Jul 26

LAS12:59 amLas Vegas Harry Reid Intl

15h 25m

1 stop

TYS7:24 pmKnoxville McGhee Tyson

$279

Frontier

Jul 29

TYS8:19 pmKnoxville McGhee Tyson

24h 10m

1 stop

LAS5:29 pmLas Vegas Harry Reid Intl

Aug 5

LAS6:00 amLas Vegas Harry Reid Intl

10h 24m

1 stop

TYS7:24 pmKnoxville McGhee Tyson

$285

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 8/7

2:47 pm-4:06 pm

Nonstop4h 19m

Las Vegas Harry Reid Intl

Fri 8/14

7:00 am-1:57 pm

Nonstop3h 57m

$160

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Mon 9/28

6:30 am-7:44 am

Nonstop4h 14m

Las Vegas Harry Reid Intl

Thu 10/1

4:09 pm-11:01 pm

Nonstop3h 52m

$175

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 8/21

1:26 pm-3:05 pm

1 stop28h 39m

Las Vegas Harry Reid Intl

Mon 8/24

2:48 pm-9:46 pm

Nonstop3h 58m

$199

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Mon 7/27

12:53 pm-11:45 am

1 stop25h 52m

Las Vegas Harry Reid Intl

Mon 8/3

7:00 am-1:57 pm

Nonstop3h 57m

$207

Quickest round-trip

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Mon 7/27

2:47 pm-3:54 pm

Nonstop4h 07m

Las Vegas Harry Reid Intl

Mon 8/3

7:00 am-1:57 pm

Nonstop3h 57m

$209

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Sun 9/27

8:20 am-9:34 am

Nonstop4h 14m

Las Vegas Harry Reid Intl

Fri 10/2

2:22 pm-9:14 pm

Nonstop3h 52m

$211

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Mon 10/12

2:47 pm-4:05 pm

Nonstop4h 18m

Las Vegas Harry Reid Intl

Fri 10/16

2:21 pm-9:13 pm

Nonstop3h 52m

$213

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Sat 8/1

5:59 pm-11:39 pm

1 stop8h 40m

Las Vegas Harry Reid Intl

Fri 8/7

7:00 am-1:57 pm

Nonstop3h 57m

$218

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Sat 8/1

5:59 pm-11:39 pm

1 stop8h 40m

Las Vegas Harry Reid Intl

Fri 8/7

7:00 am-1:57 pm

Nonstop3h 57m

$219

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Mon 7/27

12:53 pm-11:45 am

1 stop25h 52m

Las Vegas Harry Reid Intl

Fri 7/31

11:39 pm-10:01 pm

1 stop19h 22m

$221

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

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 January is, on average, the cheapest month to fly to Las Vegas from Knoxville, with most prices found around $250. The month of August is another great option to travel to Las Vegas, with average flight prices from Knoxville averaging around $269.

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 $181. Flights from Knoxville to Las Vegas on a Saturday will generally be more expensive and average around $344. 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 $234. Flights to Las Vegas are more costly in the evening, with an average ticket price of $299. Departure times in the evening 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 from Knoxville 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 $355 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 $240 on momondo.

What cabin class options are available on Knoxville to Las Vegas flights?

There is only 1 cabin class available to choose from on Knoxville to Las Vegas 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 Knoxville to Las Vegas flights?

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

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

As of July 2026, prices for Knoxville to Las Vegas flights are approximately 13% cheaper 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	$134
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 $134. The best round-trip flight deal from Knoxville to Las Vegas found on momondo in the last 72 hours is $240.

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 in Las Vegas. From Knoxville there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

Frequently asked questions about flying from Knoxville to Las Vegas

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 07m, 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 July 2026, 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 50.41% of the total bookings. Other popular models include Airbus A319 with 46.34%, Boeing 737 MAX 8 with 1.63%, and Boeing 737-800 with 0.81%.
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 Allegiant Air, making up 46% of the total bookings. Other popular airlines include American Airlines with 25%, Delta with 14%, and United Airlines with 11%.

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 $112	Free Cancellation	Rating 5.6 2,850 reviews	Search Frontier flights
Allegiant Air	PriceFrom $124	Free Cancellation	Rating 7.3 689 reviews	Search Allegiant Air flights
Delta	PriceFrom $169	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 9,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $261	Free Cancellation	Rating 7.1 11,768 reviews	Search American Airlines flights

Laughlin

Mount Charleston

Paradise

Henderson

North Las Vegas

Kingman

Mesquite

Sunrise Manor

Pahrump

Furnace Creek

Boulder City

Primm

Winchester

Needles

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 $105

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 9/7. 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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Allegiant Air flights from Knoxville to Las Vegas

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

Frontier flights from Knoxville to Las Vegas

Our best Frontier deals on Knoxville to Las Vegas flight tickets

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

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?

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?

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

What cabin class options are available on Knoxville to Las Vegas flights?

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

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

What is the cheapest airline that flies 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?

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

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

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

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

Frequently asked questions about flying 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

Traveling to a place near Las Vegas?

Why use momondo?

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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Fly your favorite airline to Las Vegas

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Las Vegas. Availability may vary depending on flight origin and airline.

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