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Cheap Flights from Phoenix to Knoxville

Your route at a glance

Cheapest dealRs36,137
Cheapest monthJanuary
Average flight duration3 hours and 28 minutes
Most popular airlineAmerican Airlines

Compare Phoenix 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 to Knoxville

Looking for a cheap last-minute deal or the best return flight from Phoenix to Knoxville? Find the lowest prices on one-way and return tickets right here.
Knoxville.Rs19,069 per passenger.Departing Thu, 22 Jan.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 22 Jan, arriving in Knoxville.Price includes taxes and charges.From Rs19,069, select.
Knoxville.Rs24,414 per passenger.Departing Thu, 25 Dec.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 25 Dec, arriving in Knoxville.Price includes taxes and charges.From Rs24,414, select.
Knoxville.Rs25,211 per passenger.Departing Thu, 7 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 7 May, arriving in Knoxville.Price includes taxes and charges.From Rs25,211, select.
Knoxville.Rs25,238 per passenger.Departing Thu, 19 Feb.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Thu, 19 Feb, arriving in Knoxville.Price includes taxes and charges.From Rs25,238, select.
Knoxville.Rs25,486 per passenger.Departing Thu, 5 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu, 5 Mar, arriving in Knoxville.Price includes taxes and charges.From Rs25,486, select.
Knoxville.Rs27,502 per passenger.Departing Sat, 7 Mar.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Sat, 7 Mar, arriving in Knoxville.Price includes taxes and charges.From Rs27,502, select.
Knoxville.Rs32,494 per passenger.Departing Sun, 19 Apr.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix Sky Harbor on Sun, 19 Apr, arriving in Knoxville.Price includes taxes and charges.From Rs32,494, select.
Knoxville.Rs58,558 per passenger.Departing Thu, 4 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Thu, 4 Jun, arriving in Knoxville.Price includes taxes and charges.From Rs58,558, select.

Find the cheapest month to fly from Phoenix to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Knoxville flights are currently cheapest in January.
Dec
from Rs24,414
Jan
from Rs19,069
Feb
from Rs25,238
Mar
from Rs25,486
Apr
from Rs32,494
May
from Rs25,211
Jun
from Rs58,558
Jul
Find prices
Aug
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Sep
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Oct
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Nov
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Direct flights from Phoenix to Knoxville

Phoenix to Knoxville: Alternative routes

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

Finding cheap flights from Phoenix to Knoxville: Frequently asked questions

The best price we found for a return flight from Phoenix to Knoxville is Rs36,146. 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.
3 hours and 28 minutes is the average flight time from Phoenix to Knoxville.
Allegiant Air flies direct from Phoenix to Knoxville.
As of December 2025, there are 3 flights per week flying from Phoenix to Knoxville.
The cheapest month to fly from Phoenix to Knoxville is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Knoxville Airport on Thursday, 22 January 2026.
Yes – the average flight time is 3 hours and 28 minutes.
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.
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.
The cheapest airline that flies to Knoxville is Allegiant Air .

Travelling from Phoenix to McGhee Tyson Airport (TYS): What you need to know

  • Your travel plans take shape at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore the options for booking a flight from Phoenix to McGhee Tyson Airport (TYS) taking off from either of these bases.

  • Knoxville is three hours ahead of Phoenix. McGhee Tyson Airport is located in Knoxville, which is in the UTC-4 timezone.

  • To ensure you get on your flight from Phoenix to TYS, allow plenty of time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • If you're travelling during a bank holiday or other peak period, allow for even more time. Arrive two hours ahead of domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

Phoenix Sky Harbour International Airport (PHX)

  • Think about kicking off your trip from Phoenix Sky Harbour International Airport (PHX). You can book a direct Phoenix to McGhee Tyson Airport (TYS) flight ticket from this popular hub.

  • From PHX, direct flights from Phoenix to TYS can be booked with Allegiant Air.

  • Allegiant Air attracts the most bookings on the PHX to TYS route.

  • With 68.42% of its services landing as planned, Allegiant Air is the most punctual carrier flying between Phoenix Sky Harbour International Airport and McGhee Tyson Airport.

  • On public transport, you can travel from central Phoenix to PHX in around 35 minutes. The airport is roughly 8 kilometres away, and getting there by car takes approximately 10 minutes.

  • Want to treat yourself to an extra night away before boarding your Phoenix to TYS flight? Kick back in a hotel near Phoenix Sky Harbour International Airport before your holiday officially begins. These stays are calling your name:

  • The majority of flights that depart Phoenix Sky Harbour International Airport arrive at their destination as expected. It maintains a high on-time performance rate of 82.57%.

  • The street address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • If you're making your way to AZA from central Phoenix, it'll take you around 40 minutes to get there by car. The drive to the airport is roughly 56 kilometres.

  • Set yourself up for a smooth departure — stay close to Phoenix-Mesa Gateway Airport and know you'll make it to the terminal with time to spare. Settle in at one of these hotels the day before if you've booked an early Phoenix to McGhee Tyson Airport flight:

  • The on-time performance rate of AZA is 78.65%. In simpler terms, that's how frequently flights departing this airport arrive as planned.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About McGhee Tyson Airport (TYS)

  • Reserve a hotel close to TYS if you're catching a late flight from Phoenix to McGhee Tyson Airport. Settle into one of these accommodation options and be in bed in no time flat:

  • Go where the road takes you with a McGhee Tyson Airport rental car. Book your wheels from Budget, Alamo or Avis and venture far and wide through Knoxville and beyond.

  • Lock in the best deal by reserving your vehicle around three weeks before your Phoenix to McGhee Tyson Airport flight.

  • You'll find TYS at 2055 Alcoa Highway.

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

  • The lowest price we've found for a one-way ticket from Phoenix to McGhee Tyson Airport is Rs19,065. For a return flight on this route, the best price is Rs36,146. Depending on the availability and when you book, these fares may change.

  • To snag cheap flights from Phoenix to TYS, book your ticket three months ahead of your planned departure.

  • The best month for landing cheap Phoenix to McGhee Tyson Airport tickets is August. Use the 'Whole month' tool to compare flight prices, then choose the dates with the lowest fares.

  • Save time searching for cheap flight tickets from Phoenix to TYS by setting up a Price Alert. We'll send you an email or push notification on the app when prices go down.

  • Filters make it easier to land a deal on your flight from Phoenix to McGhee Tyson Airport. Pick the airlines, flight times and number of stops that work for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

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

  • February is the quietest month for flights from Phoenix to McGhee Tyson Airport (TYS), while July is the busiest. Find the ideal time to go to Knoxville based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Phoenix to TYS flight ticket, consider the type of weather you enjoy. July is the warmest month in Knoxville, with temperatures ranging from 17ºC to 32ºC.

  • Look for cheap tickets from Phoenix to McGhee Tyson Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 11ºC.

More about Knoxville

Explore more of the United States

  • Charlotte is just one of the many cities in the United States waiting to be explored once you've taken in the sights of Knoxville. Around 290 kilometres away to the east, its top attractions include Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

  • If you're interested in discovering another major stop in the United States, consider Nashville, roughly 257 kilometres west of Knoxville. Grand Ole Opry, Country Music Hall of Fame and Museum and The Johnny Cash Museum are key reasons to visit.

Plan the rest of your trip from Phoenix to Knoxville

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.