$207 Cheap Flights from Las Vegas to Knoxville in 2025

Compare Las Vegas to Knoxville flight deals

Find the cheapest month or even day of the year to fly to Knoxville

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Flight deals from Las Vegas to Knoxville

Looking for a cheap last-minute deal or the best return flight from Las Vegas to Knoxville? Find the lowest prices on one-way and return tickets right here.

Knoxville.$207 per passenger.Departing Fri, 11 Apr, returning Mon, 14 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 11 Apr, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 14 Apr, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $207, select.

Knoxville.$241 per passenger.Departing Sun, 5 Oct, returning Sun, 19 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Sun, 5 Oct, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Sun, 19 Oct, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $241, select.

Knoxville.$245 per passenger.Departing Fri, 27 Jun, returning Wed, 2 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 27 Jun, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Wed, 2 Jul, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $245, select.

Knoxville.$245 per passenger.Departing Fri, 23 May, returning Mon, 2 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 23 May, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 2 Jun, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $245, select.

Knoxville.$261 per passenger.Departing Fri, 2 May, returning Mon, 12 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 2 May, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 12 May, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $261, select.

Knoxville.$268 per passenger.Departing Fri, 27 Jun, returning Mon, 30 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 27 Jun, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 30 Jun, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $268, select.

Knoxville.$273 per passenger.Departing Fri, 25 Apr, returning Mon, 12 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 25 Apr, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 12 May, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $273, select.

Knoxville.$277 per passenger.Departing Fri, 22 Aug, returning Fri, 29 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Las Vegas Harry Reid International on Fri, 22 Aug, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Fri, 29 Aug, arriving in Las Vegas Harry Reid International.Price includes taxes and charges.From $277, select.

Find the cheapest month to fly from Las Vegas to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas to Knoxville flights are currently cheapest in April.

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Direct flights from Las Vegas to Knoxville

Las Vegas to Knoxville: Alternative routes

Compare routes from Las Vegas to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

Las Vegas to Knoxville: Flight information

The things to know before you go.

Cheapest flight found	$207
Cheapest month to fly	April
Average flight time	3 hrs, 55 mins
Most popular airline	Allegiant Air
Average flights per week	3

Finding cheap flights from Las Vegas to Knoxville: Frequently asked questions

How much are return flights from Las Vegas to Knoxville?

The best price we found for a return flight from Las Vegas to Knoxville is $207. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Las Vegas to Knoxville?

3 hours and 55 minutes is the average flight time from Las Vegas to Knoxville.

Which airlines fly direct from Las Vegas to Knoxville?

Allegiant Air flies direct from Las Vegas to Knoxville.

How many flights are there a week from Las Vegas to Knoxville?

As of April 2025, there are 3 flights per week flying from Las Vegas to Knoxville.

When is the cheapest time to fly from Las Vegas to Knoxville?

The cheapest month to fly from Las Vegas to Knoxville is usually April.

Which upcoming date is cheapest to fly from Las Vegas to Knoxville Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Knoxville Airport on Friday, 11 April 2025.

Can I get a direct flight from Las Vegas to Knoxville Airport?

Yes – the average flight time is 3 hours and 55 minutes.

How can I find the best flight deal to Knoxville?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Which is the cheapest airline to fly from Las Vegas to Knoxville with?

The cheapest airline that flies to Knoxville is Allegiant Air .

Flying from Las Vegas to McGhee Tyson Airport (TYS): what you need to know

All exciting adventures take off from Las Vegas's main airport, Harry Reid Airport (formerly McCarran Airport) (LAS). Explore the options for catching a flight from Las Vegas to McGhee Tyson Airport (TYS) leaving from this terminal.
Expect to be travelling for 3 hours 54 minutes. On average, that's the time it takes for a direct flight from Las Vegas to McGhee Tyson Airport.
McGhee Tyson Airport is located in Knoxville. The city operates in the UTC-4 timezone and is 3 hours ahead of Las Vegas.
With 2 direct flights a week between the two airports, Harry Reid Airport (formerly McCarran Airport) (LAS) to McGhee Tyson Airport (TYS) is the most popular route. Allegiant Air operates the earliest flight at 06:05. If you prefer to make the most of your day before taking off, the last flight from LAS to TYS is with Allegiant Air at 14:40.
Arrive at the airport on time so you don't miss your flight from Las Vegas to TYS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
If you're travelling during a popular month like October, be at the airport even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Security lines will be longer during peak periods like Thanksgiving, Christmas and New Year.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

Fly without interruptions from Harry Reid Airport (formerly McCarran Airport) Airport (LAS). Direct flights from Las Vegas to McGhee Tyson Airport (TYS) operate from here.
When leaving from LAS, you can catch a direct flight from Las Vegas to McGhee Tyson Airport with Allegiant Air.
Travelling from central Las Vegas to LAS takes around 1 hour by public transport. If you ride-share, drive or get a cab, you'll cover the 19 kilometres in 15 minutes or so, depending on traffic.
Need a handy hotel near Harry Reid Airport (formerly McCarran Airport) Airport? If you've booked an early flight from Las Vegas to McGhee Tyson Airport, these accommodation options will put you moments from your departure lounge:

About McGhee Tyson Airport (TYS)

Book a hotel close to TYS if you have a late flight from Las Vegas to McGhee Tyson Airport. Settle into one of these options and avoid the hassle of a long transfer:

Getting from McGhee Tyson Airport (TYS) to central Knoxville

From McGhee Tyson Airport, Knoxville is approximately 23 kilometres away. It takes around 19 minutes to get to the centre driving.

How to find the cheapest flights from Las Vegas to McGhee Tyson Airport (TYS)

$104 is the lowest price we've found for a one-way ticket from Las Vegas to McGhee Tyson Airport. Return flights start from $207. Prices may vary depending on availability at the time of booking.
To pick up flight tickets from Las Vegas to TYS, book ahead. Airlines typically offer the most competitive fares when flights are first made available.
Take advantage of the 'Whole month' search function to compare the prices of tickets from Las Vegas to McGhee Tyson Airport across the entire month. We've highlighted the lowest fares in green, so you can easily find a flight your budget will love.
Set up a Price Alert and track any changes on this route through push notifications or email. You'll know straight away when prices drop. Timing is key for finding flight tickets from Las Vegas to TYS.
Use the filters to tailor your flights from Las Vegas to McGhee Tyson Airport. Select your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to see the best deals.

The best time to fly from Las Vegas to McGhee Tyson Airport (TYS)

It's time to plan your travel dates for your flight from Las Vegas to McGhee Tyson Airport. July is the busiest month to travel to Knoxville. If you want a quieter vibe, go in February.
Before you book a flight from Las Vegas to TYS, think about the type of weather you enjoy. July is the warmest month in Knoxville, with the temperature ranging from 17ºC to 32ºC.
Visit in January if you want cooler conditions. Temperatures average between -6ºC and 11ºC. However, this destination promises a good time whenever you book your cheap flights from Las Vegas to McGhee Tyson Airport.

More about Knoxville

After locking in your flight from Las Vegas to McGhee Tyson Airport, think about where you'll stay in this city. Make one of these accommodation options your base for exploring Knoxville:
One of the best ways to experience Knoxville is to visit its top sights. Highlights include Market Square, Sunsphere and World's Fair Park.

Complete your Knoxville trip with a car rental

Select one of our car rentals in Knoxville and see the city on your own terms. Easily compare rates from trusted providers in one place after booking your hotel and cheap flights from Las Vegas to McGhee Tyson Airport.