Cheap Flights from Phoenix Sky Harbor to Knoxville

Compare Phoenix Sky Harbor 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 Phoenix Sky Harbor Airport to Knoxville Airport

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to Knoxville Airport? If you want to travel next month, return fares start from Rs60,259. Find the lowest prices on one-way and return tickets right here.

Knoxville.Rs21,249 per passenger.Departing Thu, 9 Jul.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 9 Jul, arriving in Knoxville.Price includes taxes and charges.From Rs21,249, select.

Knoxville.Rs24,046 per passenger.Departing Sat, 2 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat, 2 May, arriving in Knoxville.Price includes taxes and charges.From Rs24,046, select.

Knoxville.Rs25,443 per passenger.Departing Thu, 10 Sep.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 10 Sep, arriving in Knoxville.Price includes taxes and charges.From Rs25,443, select.

Knoxville.Rs30,129 per passenger.Departing Sun, 1 Nov.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Sun, 1 Nov, arriving in Knoxville.Price includes taxes and charges.From Rs30,129, select.

Knoxville.Rs30,129 per passenger.Departing Thu, 16 Apr.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 16 Apr, arriving in Knoxville.Price includes taxes and charges.From Rs30,129, select.

Knoxville.Rs30,197 per passenger.Departing Sun, 10 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Sun, 10 May, arriving in Knoxville.Price includes taxes and charges.From Rs30,197, select.

Knoxville.Rs32,712 per passenger.Departing Thu, 20 Aug.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 20 Aug, arriving in Knoxville.Price includes taxes and charges.From Rs32,712, select.

Knoxville.Rs34,946 per passenger.Departing Wed, 3 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 3 Jun, arriving in Knoxville.Price includes taxes and charges.From Rs34,946, select.

Knoxville.Rs35,432 per passenger.Departing Thu, 18 Jun.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 18 Jun, arriving in Knoxville.Price includes taxes and charges.From Rs35,432, select.

Knoxville.Rs47,528 per passenger.Departing Fri, 27 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Fri, 27 Mar, arriving in Knoxville.Price includes taxes and charges.From Rs47,528, select.

Knoxville.Rs49,378 per passenger.Departing Sun, 11 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Sun, 11 Oct, arriving in Knoxville.Price includes taxes and charges.From Rs49,378, select.

Knoxville.Rs100,432 per passenger.Departing Sun, 29 Mar.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Sun, 29 Mar, arriving in Knoxville.Price includes taxes and charges.From Rs100,432, select.

Find the cheapest month to fly from Phoenix Sky Harbor to Knoxville

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

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Direct flights from Phoenix Sky Harbor to Knoxville

Phoenix Sky Harbor to Knoxville: Alternative routes

Compare routes from Phoenix Sky Harbor 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 Rs21,249

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Phoenix to Knoxville: Flight information

The things to know before you go.

Cheapest flight found	Rs21,249
Cheapest month to fly	July
Average flight time	3 hrs, 30 mins
Most popular airline	Allegiant Air
Average flights per week	5

Finding cheap flights from Phoenix Sky Harbor to Knoxville: Frequently asked questions

How much are return flights from Phoenix Sky Harbor to Knoxville?

The best price we found for a return flight from Phoenix Sky Harbor to Knoxville is Rs51,378. 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 Phoenix Sky Harbor to Knoxville?

3 hours and 30 minutes is the average flight time from Phoenix Sky Harbor to Knoxville.

Which airlines fly direct from Phoenix Sky Harbor to Knoxville?

Allegiant Air flies direct from Phoenix Sky Harbor to Knoxville.

How many flights are there a week from Phoenix Sky Harbor to Knoxville?

As of March 2026, there are 5 flights per week flying from Phoenix Sky Harbor to Knoxville.

When is the cheapest time to fly from Phoenix Sky Harbor to Knoxville?

The cheapest month to fly from Phoenix Sky Harbor to Knoxville is usually April.

Which upcoming date is cheapest to fly from Phoenix Sky Harbor Airport to Knoxville Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Knoxville Airport on Thursday, 16 April 2026.

Can I get a direct flight from Phoenix Sky Harbor Airport to Knoxville Airport?

Yes – the average flight time is 3 hours and 30 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 Phoenix Sky Harbor Airport to Knoxville with?

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

Flying from Phoenix Sky Harbour International Airport (PHX) to McGhee Tyson Airport (TYS): what you need to know

The average length of a direct flight from Phoenix Sky Harbour International Airport to McGhee Tyson Airport is 3 hours 30 minutes.
For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your PHX to TYS flight.
Travelling during a peak month like July? School holidays and other popular periods can result in longer queues at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.
Flying into Knoxville (and then discovering more of United States!) is a cinch with Allegiant Air. This popular carrier has direct flights from Phoenix Sky Harbour International Airport to McGhee Tyson Airport.
Allegiant Air is the most frequently booked airline on this route.
Allegiant Air is the most punctual carrier that operates PHX to TYS flights, with 68.42% of its services reaching their destination on time.
We make it easy to book a flight with a stopover. To see your options for tickets from Phoenix Sky Harbour International Airport to McGhee Tyson Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Stopovers between PHX and TYS include:
- Dallas/Fort Worth International Airport
- Hartsfield-Jackson Atlanta International Airport
- Chicago Midway International Airport

How to find the cheapest flights from Phoenix Sky Harbour International Airport (PHX) to McGhee Tyson Airport (TYS)

Rs21,249 is the lowest price for a one-way Phoenix Sky Harbour International Airport to McGhee Tyson Airport flight. Return flights start at Rs51,378. These fares may change depending on availability.
Book nine months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from PHX to TYS.
Schedule your trip for August. That's the cheapest month for flights from Phoenix Sky Harbour International Airport to McGhee Tyson Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the lowest airfare across each month.
Finding cheap flights from PHX to TYS is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.
Pick your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Phoenix Sky Harbour International Airport to McGhee Tyson Airport.

Handy information about Phoenix Sky Harbour International Airport (PHX)

The address for PHX is 3400 Sky Harbour Boulevard.
82.57% of flights departing from Phoenix Sky Harbour International Airport arrive at their destination as planned. With its strong on-time performance, delays are unlikely when jetting out of PHX.
Phoenix Sky Harbour International Airport is around 8 kilometres from central Phoenix. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.
The trip on public transport takes roughly 35 minutes.
Get your holiday off to a hassle-free start by staying near PHX. Whether you're taking an early flight from Phoenix Sky Harbour International Airport to McGhee Tyson Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at McGhee Tyson Airport (TYS)

The last thing you want is a long journey to your hotel if you're getting in late on a Phoenix Sky Harbour International Airport to McGhee Tyson Airport flight. Book one of these accommodation options near TYS instead:
Grab a McGhee Tyson Airport rental car and explore Knoxville and beyond with your own wheels. Budget, Alamo and Avis are top outlets to choose from here.
Lock in the lowest price by booking your vehicle from McGhee Tyson Airport about three weeks before your travel date.

Getting from McGhee Tyson Airport (TYS) to central Knoxville

You'll find TYS at 2055 Alcoa Highway.
McGhee Tyson Airport is roughly 23 kilometres from the centre of Knoxville. The drive time takes around 20 minutes.

When to fly to McGhee Tyson Airport (TYS)

July is the most popular month for flights from Phoenix Sky Harbour International Airport to McGhee Tyson Airport. For smaller crowds, visit Knoxville in February.
Book your flight from Phoenix Sky Harbour International Airport to McGhee Tyson Airport for July if you'd like to visit Knoxville during its warmest month. Expect temperatures of between 17ºC and 32ºC.
If you'd rather travel in cooler conditions, look for a cheap ticket from PHX to TYS in January. Temperatures average between -6ºC and 11ºC then.

Explore more of United States

Knoxville has plenty to offer, but there are so many other parts of United States you'll want to see. About 451 kilometres north of Knoxville, a trip to Columbus will keep your itinerary packed. Start with leading sights like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.
Around 467 kilometres north-west of Knoxville, Indianapolis is another favourite stop in United States. Experience this destination's highlights firsthand at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.