Cheap Flights from Harry Reid International to Knoxville

Compare Harry Reid International to Knoxville flight deals

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Flight deals from Harry Reid International Airport to Knoxville Airport

Looking for a cheap last-minute deal or the best return flight from Harry Reid International Airport to Knoxville Airport? If you want to travel next month, return fares start from $300. Find the lowest prices on one-way and return tickets right here.

Knoxville.$300 per passenger.Departing Fri, 17 Apr, returning Mon, 20 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 17 Apr, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 20 Apr, arriving in Harry Reid International.Price includes taxes and charges.From $300, select.

Knoxville.$313 per passenger.Departing Fri, 8 May, returning Mon, 18 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 8 May, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 18 May, arriving in Harry Reid International.Price includes taxes and charges.From $313, select.

Knoxville.$313 per passenger.Departing Fri, 17 Apr, returning Mon, 4 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 17 Apr, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 4 May, arriving in Harry Reid International.Price includes taxes and charges.From $313, select.

Knoxville.$341 per passenger.Departing Fri, 25 Sep, returning Mon, 28 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 25 Sep, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 28 Sep, arriving in Harry Reid International.Price includes taxes and charges.From $341, select.

Knoxville.$346 per passenger.Departing Fri, 24 Jul, returning Mon, 3 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 24 Jul, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 3 Aug, arriving in Harry Reid International.Price includes taxes and charges.From $346, select.

Knoxville.$389 per passenger.Departing Mon, 11 May, returning Mon, 1 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 11 May, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 1 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $389, select.

Knoxville.$390 per passenger.Departing Fri, 25 Sep, returning Thu, 15 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 25 Sep, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Thu, 15 Oct, arriving in Harry Reid International.Price includes taxes and charges.From $390, select.

Knoxville.$408 per passenger.Departing Sun, 7 Jun, returning Fri, 12 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Sun, 7 Jun, arriving in Knoxville.Inbound indirect flight with Frontier Airlines, departs from Knoxville on Fri, 12 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $408, select.

Knoxville.$437 per passenger.Departing Fri, 23 Oct, returning Mon, 9 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 23 Oct, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 9 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $437, select.

Knoxville.$438 per passenger.Departing Fri, 23 Oct, returning Mon, 26 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 23 Oct, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 26 Oct, arriving in Harry Reid International.Price includes taxes and charges.From $438, select.

Knoxville.$438 per passenger.Departing Fri, 24 Jul, returning Mon, 27 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 24 Jul, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 27 Jul, arriving in Harry Reid International.Price includes taxes and charges.From $438, select.

Knoxville.$438 per passenger.Departing Fri, 27 Mar, returning Mon, 13 Apr.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 27 Mar, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 13 Apr, arriving in Harry Reid International.Price includes taxes and charges.From $438, select.

Knoxville.$439 per passenger.Departing Mon, 15 Jun, returning Mon, 29 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Mon, 15 Jun, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 29 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $439, select.

Knoxville.$448 per passenger.Departing Wed, 11 Mar, returning Wed, 18 Mar.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Wed, 11 Mar, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Wed, 18 Mar, arriving in Harry Reid International.Price includes taxes and charges.From $448, select.

Knoxville.$466 per passenger.Departing Fri, 26 Jun, returning Mon, 13 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 26 Jun, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 13 Jul, arriving in Harry Reid International.Price includes taxes and charges.From $466, select.

Knoxville.$525 per passenger.Departing Fri, 6 Nov, returning Mon, 9 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Harry Reid International on Fri, 6 Nov, arriving in Knoxville.Inbound direct flight with Allegiant Air departs from Knoxville on Mon, 9 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $525, select.

Find the cheapest month to fly from Harry Reid International to Knoxville

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

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Direct flights from Harry Reid International to Knoxville

Harry Reid International to Knoxville: Alternative routes

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

Knoxville

18km from central Knoxville

ClosestCheapest

from $300

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Las Vegas to Knoxville: Flight information

The things to know before you go.

Cheapest flight found	$300
Cheapest month to fly	April
Average flight time	3 hrs, 53 mins
Most popular airline	Allegiant Air
Average flights per week	3

Finding cheap flights from Harry Reid International to Knoxville: Frequently asked questions

How much are return flights from Harry Reid International to Knoxville?

The best price we found for a return flight from Harry Reid International to Knoxville is $300. 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 Harry Reid International to Knoxville?

3 hours and 53 minutes is the average flight time from Harry Reid International to Knoxville.

Which airlines fly direct from Harry Reid International to Knoxville?

Allegiant Air flies direct from Harry Reid International to Knoxville.

How many flights are there a week from Harry Reid International to Knoxville?

As of March 2026, there are 3 flights per week flying from Harry Reid International to Knoxville.

When is the cheapest time to fly from Harry Reid International to Knoxville?

The cheapest month to fly from Harry Reid International to Knoxville is usually April.

Which upcoming date is cheapest to fly from Harry Reid International Airport to Knoxville Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harry Reid International Airport to Knoxville Airport on Friday, 17 April 2026.

Can I get a direct flight from Harry Reid International Airport to Knoxville Airport?

Yes – the average flight time is 3 hours and 53 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.

When is the best time to book flights to Knoxville?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Harry Reid International Airport to Knoxville with?

Currently, Allegiant Air offers the cheapest flight tickets to Knoxville.

Flying from Harry Reid Airport (formerly McCarran Airport) (LAS) to McGhee Tyson Airport (TYS): what you need to know

The average time for a direct flight from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport is 3 hours 55 minutes.
For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your LAS to TYS flight.
During popular months like October, it's best to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you travel during a high season in general.
Allegiant Air has direct flights from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport. Book with this popular carrier, then get ready to see the sights in Knoxville — and maybe even more of United States if you have time.
The airline with the highest booking volume on this route is Allegiant Air.
Allegiant Air is the most punctual carrier operating LAS to TYS flights. An exceptional 94.12% of its services on this route arrive without delay.
If you'd like to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport. These are the most popular stopovers between LAS and TYS:
- Hartsfield-Jackson Atlanta International Airport
- Denver International Airport
- Dallas/Fort Worth International Airport

How to find the cheapest flights from Harry Reid Airport (formerly McCarran Airport) (LAS) to McGhee Tyson Airport (TYS)

$136 is the lowest price for a one-way Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport flight. A return flight starts from $300. These prices can change based on availability.
To get cheap tickets from LAS to TYS, book your trip ten months ahead of your departure.
Schedule your trip for September. That's the cheapest month for flights from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport. If your travel dates are flexible, use the 'Whole month' tool to see the lowest airfare across each month.
There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll send you an update as soon as the price changes on cheap flights from LAS to TYS.
Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport.

Handy information about Harry Reid Airport (formerly McCarran Airport) (LAS)

You'll find LAS at 5757 Wayne Newton Boulevard.
Harry Reid Airport (formerly McCarran Airport) maintains a strong on-time record, reducing your chances of a delayed flight. Departures from LAS arrive at their destination as scheduled 82.07% of the time.
Central Las Vegas to Harry Reid Airport (formerly McCarran Airport) is approximately 19 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're driving, catching a cab or ride-sharing.
Taking public transport? You can expect a journey time of around 1 hour.
Looking for a handy hotel close to LAS? If you're catching an early flight from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport, these accommodation options will have you moments from check-in:

Arriving at McGhee Tyson Airport (TYS)

Book a hotel near TYS if you're taking a late Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport flight. Choose one of these accommodation options and avoid the hassle of a long transfer:
Pick up a McGhee Tyson Airport rental car and explore Knoxville and beyond with your own wheels. Budget, Alamo and Avis are leading providers you can book with here.
Lock in the best possible rate by reserving your ride from McGhee Tyson Airport about three weeks ahead of your trip.

Getting from McGhee Tyson Airport (TYS) to central Knoxville

The street address for TYS is 2055 Alcoa Highway.
McGhee Tyson Airport is approximately 23 kilometres from central Knoxville. The drive time takes around 20 minutes.

When to fly to McGhee Tyson Airport (TYS)

The quietest month for a flight from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport is February, while July is the busiest. Pick the best time to visit Knoxville based on whether you prefer a bustling atmosphere or a more laid-back vibe.
The warmest month in Knoxville is July, with temperatures ranging between 17ºC and 32ºC. Lock in your flights from Harry Reid Airport (formerly McCarran Airport) to McGhee Tyson Airport in this month if this is the kind of weather you like.
If you want cooler conditions, look for a cheap ticket from LAS to TYS in January. Average temperatures are between -6ºC and 11ºC then.

Explore more of United States

You've seen Knoxville, now it's time to explore other corners of United States. Travel around 451 kilometres north to Columbus to check off its top sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, there's plenty to keep you on the go.
Indianapolis is another sought-after destination in United States and is around 467 kilometres north-west of Knoxville. No journey is complete without visiting The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.