Find Cheap Flights from Knoxville to Phoenix (TYS - PHX)

Flights overview

Useful information for finding cheap flights from Knoxville to Phoenix and booking your next trip

Cheapest round-trip flights	$174	Allegiant Nonstop 4 hr Thu, Jul 23 — Thu, Jul 30	The cheapest round-trip flight from Knoxville to Phoenix is currently $174
Cheapest one-way flight	$111	Frontier 1 stop 17 hr Wed, Jul 29	The cheapest one-way flight from Knoxville to Phoenix is currently $111
Cheapest nonstop flights	$184	Allegiant Nonstop 4 hr Sun, Aug 2 — Sun, Aug 9	The cheapest nonstop round-trip flight from Knoxville to Phoenix is currently $184
Last-minute weekend getaway	$372	Frontier 1 stop 17 hr Fri, May 8 — Mon, May 11	The cheapest last-minute weekend getaway from Knoxville to Phoenix is currently $372
Cheapest business class flights	$488	Frontier 1 stop 17 hr Mon, Jul 27 — Tue, Aug 4	The cheapest business class round-trip flight from Knoxville to Phoenix is currently $488

Fastest flight	3 hr 48 min	The fastest nonstop flight from Knoxville to Phoenix takes 3 hr 48 min
Nonstop flights	Some days	There are direct flights on this route 2 days a week: Thu, Sun.

When is the cheapest time to fly?

The cheapest month to fly from Knoxville to Phoenix is typically August. The most expensive month to fly is typically March.

August Cheapest	Typical prices: $190–340
March Most expensive	Typical prices: $275–530

Popular airlines from Knoxville to Phoenix

American

from $348

Typical price: $285–590

864 weekly connecting flights

TYS - PHX Every day
Southwest

from $384

Typical price: $380–630

390 weekly connecting flights

TYS - PHX Every day
Delta

from $399

Typical price: $310–700

332 weekly connecting flights

TYS - PHX Every day
United

from $399

Typical price: $315–640

200 weekly connecting flights

TYS - PHX Every day
Allegiant

Nonstop

from $184

Typical price: $170–425

2 weekly nonstop flights

TYS - PHX Every Thu, Sun
Frontier

from $210

Typical price: $230–560

8 weekly connecting flights

TYS - PHX Every Fri, Sun

Popular airports near Knoxville

McGhee Tyson Airport (TYS)

Knoxville United States 21 min 11 mi
Nashville International Airport (BNA)

Nashville United States 2 hr 38 min 154 mi
Hartsfield-Jackson Atlanta International Airport (ATL)

Atlanta United States 3 hr 23 min 163 mi
Chattanooga Metropolitan Airport (CHA)

Chattanooga United States 1 hr 39 min 96 mi

Popular airports near Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix United States 12 min 3 mi
Mesa Gateway Airport (AZA)

Phoenix United States 25 mi
Tucson International Airport (TUS)

Tucson United States 1 hr 54 min 112 mi
Scottsdale Airport (SCF)

Phoenix United States 31 min 15 mi

Frequently asked questions about flying from Knoxville to Phoenix

The cheapest flights from Knoxville to Phoenix are usually in August. Typical ticket prices in August range from $190 to $340.

The cheapest round-trip flight from Knoxville to Phoenix recently found on Google Flights was with Allegiant from $174. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Knoxville to Phoenix is $348, flying from May 28 to Jun 3.
The cheapest Southwest flight from Knoxville to Phoenix is $384, flying from Aug 2 to Aug 11.
The cheapest Delta flight from Knoxville to Phoenix is $399, flying from Jun 25 to Jul 4.
The cheapest United flight from Knoxville to Phoenix is $399, flying from Jul 30 to Aug 5.
The cheapest Allegiant flight from Knoxville to Phoenix is $184, flying from Aug 2 to Aug 9.
The cheapest Frontier flight from Knoxville to Phoenix is $210, flying from Jun 1 to Jun 8.

The cheapest round-trip flight from Knoxville to Phoenix starts at $174 from Thu, Jul 23 to Thu, Jul 30. The cheapest one-way flight starts at $111 and departs on Wed, Jul 29.

3 hr 48 min is the shortest flight time from Knoxville to Phoenix.

Most visitors arrive Dec–May, when the weather is warm and dry. Summers (May–Sep) are very hot. Local events include the Phoenix Open professional golf tournament (late Jan–early Feb), the Arizona State Fair (Oct) and the Arizona National Livestock Show (Dec).

It's easy to use Google Flights to find the cheapest days to fly from Knoxville to Phoenix.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Knoxville to Phoenix really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Knoxville to Phoenix.

In terms of nonstop flights, Allegiant is the most popular. Allegiant offers 2 nonstop flights per week. Allegiant flies from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor International Airport (PHX) .

In terms of flights, American is the most popular. American offers 864 connecting flights per week. American flies from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor International Airport (PHX) .

Other popular airlines flying from Knoxville to Phoenix are:

Southwest offers 390 connecting flights per week. Southwest flies from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor International Airport (PHX) .
Delta offers 332 connecting flights per week. Delta flies from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor International Airport (PHX) .
United offers 200 connecting flights per week. United flies from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor International Airport (PHX) .
Frontier offers 8 connecting flights per week. Frontier flies from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor International Airport (PHX) .

The number of connecting flights refers to distinct flights with at least one stop between Knoxville and Phoenix.

The cheapest round-trip flight from Knoxville to Phoenix recently found on Google Flights was with Allegiant from $174. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Knoxville to Phoenix is $348, flying from May 28 to Jun 3.
The cheapest Southwest flight from Knoxville to Phoenix is $384, flying from Aug 2 to Aug 11.
The cheapest Delta flight from Knoxville to Phoenix is $399, flying from Jun 25 to Jul 4.
The cheapest United flight from Knoxville to Phoenix is $399, flying from Jul 30 to Aug 5.
The cheapest Allegiant flight from Knoxville to Phoenix is $184, flying from Aug 2 to Aug 9.
The cheapest Frontier flight from Knoxville to Phoenix is $210, flying from Jun 1 to Jun 8.

Allegiant flies direct from Knoxville to Phoenix.

There are 2 Allegiant direct flights from Knoxville to Phoenix per week. Flights are available on Thursday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Knoxville and Phoenix at price $372 is offered by Frontier from Fri, May 8 to Mon, May 11.

Allegiant flies direct from Knoxville to Phoenix.

There are 2 Allegiant direct flights from Knoxville to Phoenix per week. Flights are available on Thursday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Direct flights from Knoxville to Phoenix are only available on Thursday and Sunday.

The cheapest direct (nonstop) round-trip flights between Knoxville and Phoenix start at $184 from Sun, Aug 2 to Sun, Aug 9 with Allegiant.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Knoxville to Phoenix, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Knoxville and Phoenix start at $488 from Mon, Jul 27 to Tue, Aug 4 with Frontier.

The cheapest economy class round-trip flights between Knoxville and Phoenix start at $174 from Thu, Jul 23 to Thu, Jul 30.

To book business class trips from Knoxville to Phoenix, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Knoxville and Phoenix starts at $372 from Fri, May 8 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Knoxville and Phoenix at price $372 is offered by Frontier from Fri, May 8 to Mon, May 11.

To find last-minute flight deals from Knoxville to Phoenix, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.