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Cheap Flights from Knoxville to Phoenix

Compare Knoxville to Phoenix flight deals

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

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Flight deals from Knoxville Airport to Phoenix

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Phoenix? If you want to travel next month, return fares start from R 3,064. Find the lowest prices on one-way and return tickets right here.
Phoenix.R 1,345 per passenger.Departing Sun, 12 Apr.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Sun, 12 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 1,345, select.
Phoenix.R 1,685 per passenger.Departing Thu, 16 Jul.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 16 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 1,685, select.
Phoenix.R 1,685 per passenger.Departing Thu, 28 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 28 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 1,685, select.
Phoenix.R 1,996 per passenger.Departing Thu, 25 Jun.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 25 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 1,996, select.
Phoenix.R 2,162 per passenger.Departing Thu, 24 Sep.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 24 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 2,162, select.
Phoenix.R 2,337 per passenger.Departing Fri, 9 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 9 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 2,337, select.
Phoenix.R 2,354 per passenger.Departing Thu, 12 Nov.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 12 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 2,354, select.
Phoenix.R 3,592 per passenger.Departing Thu, 26 Mar.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 26 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From R 3,592, select.

Find the cheapest month to fly from Knoxville to Phoenix

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Phoenix flights are currently cheapest in April.
Mar
from R 3,592
Apr
from R 1,345
May
from R 1,685
Jun
from R 1,996
Jul
from R 1,685
Aug
Find prices
Sep
from R 2,162
Oct
from R 2,337
Nov
from R 2,354
Dec
Find prices
Jan
Find prices
Feb
Find prices

Direct flights from Knoxville to Phoenix

Alternative Knoxville to Phoenix routes

Looking for the cheapest, fastest or easiest route from Knoxville to Phoenix? You could fly into the following airports instead.

Phoenix Sky Harbor

6km from central Phoenix
ClosestCheapest
from R 1,345
Search flights

Phoenix Scottsdale Municipal

24km from central Phoenix
Search flights

Phoenix-Deer Valley

27km from central Phoenix
Search flights

Phoenix-Mesa Gateway

42km from central Phoenix
from R 2,515
Search flights

Knoxville to Phoenix: Flight information

The things to know before you go.
Cheapest flight foundR 1,345
Cheapest month to flyApril
Average flight time4 hrs, 2 mins
Most popular airlineAllegiant Air
Average flights per week3

Finding cheap flights from Knoxville to Phoenix: Frequently asked questions

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.
The best price we found for a return flight from Knoxville to Phoenix is R 3,064. 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.
4 hours and 2 minutes is the average flight time from Knoxville to Phoenix.
Allegiant Air flies direct from Knoxville to Phoenix.
As of March 2026, there are 3 flights per week flying from Knoxville to Phoenix.
The cheapest month to fly from Knoxville to Phoenix is usually April.
If you're flying from Knoxville Airport, the cheapest airport near Phoenix is Phoenix Sky Harbor – which is 6.0 km away from the centre of Phoenix. We've found flights into this airport from R 3,064.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Phoenix on Friday, 10 April 2026.
Yes – the average flight time is 4 hours and 2 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 Phoenix 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 Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 16°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.
Currently, Frontier Airlines and Allegiant Air offer the cheapest flight tickets to Phoenix.

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

  • Hop on a direct flight from McGhee Tyson Airport to Phoenix and you'll be travelling for around 3 hours 30 minutes.

  • Phoenix is three hours behind Knoxville, where McGhee Tyson Airport is located. Phoenix observes the UTC-7 timezone.

  • The most popular route is from McGhee Tyson Airport (TYS) to Phoenix Sky Harbour International Airport (PHX). There are two weekly services between these two airports. If you'd like to take off as soon as possible, the earliest flight from TYS to PHX is the 06:00 Allegiant Air service. If you'd rather fly out later on, the final departure is at 14:50 with Allegiant Air.

  • For a relaxed start to your TYS to Phoenix flight, leave enough time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • If you're flying during a major holiday or another peak period, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • You can book a direct McGhee Tyson Airport to Phoenix ticket. Start your journey at TYS and touch down at Phoenix Sky Harbour International Airport (PHX).

  • Allegiant Air is a popular carrier that operates direct flights from McGhee Tyson Airport to Phoenix.

  • TYS is about 18 kilometres from central Knoxville. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Searching for a hotel close to TYS? If you're catching an early flight from McGhee Tyson Airport to Phoenix, these accommodation options will put you moments from check-in:

  • When it comes to McGhee Tyson Airport's on-time performance, data shows 78.98% of flights arrive within the scheduled time frame.

  • The address for TYS is 2055 Alcoa Highway.

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

  • R 1,345 is the lowest price we've seen for a one-way McGhee Tyson Airport to Phoenix flight. A round-trip ticket right now is R 3,064. Depending on the availability and when you book, these fares may change.

  • Book one month before flying. Pricing trends show that this is the ideal window for finding cheap flights from TYS to Phoenix.

  • The best month for landing cheap McGhee Tyson Airport to Phoenix tickets is May. Use the 'Whole month' tool to compare prices, then select the dates that offer the lowest fares.

  • Finding a cheap flight from TYS to Phoenix couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll get in touch as soon as a new discount appears.

  • Save on your flight from McGhee Tyson Airport to Phoenix with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

  • The distance from Phoenix Scottsdale Municipal Airport (SCF) to central Phoenix is roughly 32 kilometres. It takes about 35 minutes to get to the centre driving.

  • It typically takes 1 hour 55 minutes if you're travelling by public transport.

  • If you have a late flight from McGhee Tyson Airport to Phoenix, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these hotels near SCF:

Phoenix Sky Harbour International Airport (PHX)

  • Phoenix Sky Harbour International Airport (PHX) is roughly 8 kilometres from the centre of Phoenix. After your flight from McGhee Tyson Airport to Phoenix, it'll take you around 10 minutes to reach the heart of the city in a ride-share or cab.

  • If you travel by public transport, you'll get to the city centre in 35 minutes or so.

  • Hang up the 'Do not disturb' sign and relax at a hotel close to PHX. Here are a few options where you can take a load off after your TYS to Phoenix flight:

  • Europcar, Dollar and Thrifty make picking up a Phoenix Sky Harbour International Airport rental car quick and easy. These providers are located in or around the terminal and will have you behind the wheel before you know it.

  • Call dibs on the best options. Reserving your ride from PHX one week in advance often means better prices and a bigger choice of vehicles.

  • Phoenix Sky Harbour International Airport is located at 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Step off your flight from McGhee Tyson Airport to Phoenix and go straight to your hotel or start exploring right away. The centre of Phoenix is around 56 kilometres from Phoenix-Mesa Gateway Airport (AZA) and typically takes 40 minutes to drive there.

  • Reserve a hotel close to AZA and go from the runway to resting in a snap. Whether you have a late TYS to Phoenix flight or just want a hassle-free arrival, these accommodation options offer convenience when you need it most:

  • Start your trip without stressing over how to arrive at your destination with a Phoenix-Mesa Gateway Airport rental car. Book your wheels with trusted suppliers here like Dollar, Alamo and Budget.

  • Around two weeks before your flight from McGhee Tyson Airport to Phoenix is a good time to secure your vehicle from AZA. You're more likely to get a better rate or score some early bird savings.

  • Phoenix-Mesa Gateway Airport is located at 6033 S. Sossaman Rd..

Best time to go to Phoenix

  • Before scheduling your flights from McGhee Tyson Airport to Phoenix, consider which time of year is best for you. Peak season in Phoenix offers a bustling atmosphere and plenty to do, while low season brings better deals on hotels and smaller crowds.

  • Book a McGhee Tyson Airport to Phoenix flight ticket with a departure in July if you're eager to visit the city during its warmest month. You can expect temperatures to range from 26ºC (79ºF) to 44ºC (111ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from TYS to Phoenix in January when temperatures average between 4ºC (39ºF) and 20ºC (68ºF).

More about Phoenix

  • After booking your flight from McGhee Tyson Airport to Phoenix, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Phoenix:

  • There are so many things to explore in this city it can be hard to work out where to begin. Heard Museum, Desert Botanical Garden and Papago Park are top sights which should feature on any well-planned Phoenix itinerary.

Explore more of United States

  • You've seen Phoenix, now it's time to discover other corners of United States. Journey around 483 kilometres west to San Diego to check off its leading attractions. From San Diego Zoo to USS Midway Museum and SeaWorld San Diego, you'll have a packed itinerary ahead.

  • Around 418 kilometres north-west of Phoenix, Las Vegas is another essential stop in United States. No visit is complete without checking out Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.

Plan the rest of your trip from Knoxville to Phoenix

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