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

Flights overview

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

Cheapest round-trip flights	$191	Allegiant Nonstop 4 hr Thu, Jul 30 — Sun, Aug 2	The cheapest round-trip flight from Phoenix to Knoxville is currently $191
Cheapest one-way flight	$109	Allegiant Nonstop 4 hr Sun, Jul 19	The cheapest one-way flight from Phoenix to Knoxville is currently $109
Last-minute weekend getaway	$323	Allegiant Nonstop 4 hr Thu, May 7 — Mon, May 11	The cheapest last-minute weekend getaway from Phoenix to Knoxville is currently $323
Cheapest business class flights	$518	Frontier 1 stop 22 hr Thu, Jul 23 — Mon, Jul 27	The cheapest business class round-trip flight from Phoenix to Knoxville is currently $518

Fastest flight	3 hr 24 min	The fastest nonstop flight from Phoenix to Knoxville takes 3 hr 24 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 Phoenix to Knoxville is typically January. The most expensive month to fly is typically March.

January Cheapest	Typical prices: $175–400
March Most expensive	Typical prices: $290–570

Popular airlines from Phoenix to Knoxville

American

from $419

Typical price: $285–600

847 weekly connecting flights

PHX - TYS Every day
Delta

from $399

Typical price: $310–700

323 weekly connecting flights

PHX - TYS Every day
Southwest

from $409

Typical price: $380–640

214 weekly connecting flights

PHX - TYS Every day
United

from $424

Typical price: $310–640

147 weekly connecting flights

PHX - TYS Every day
Allegiant

Nonstop

from $191

Typical price: $185–410

2 weekly nonstop flights

PHX - TYS Every Thu, Sun
Frontier

from $250

Typical price: $230–600

12 weekly connecting flights

PHX - TYS Every Tue, Wed, Thu, Fri, Sun

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

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

Frequently asked questions about flying from Phoenix to Knoxville

The cheapest flights from Phoenix to Knoxville are usually in January. Typical ticket prices in January range from $175 to $400.

The cheapest round-trip flight from Phoenix to Knoxville recently found on Google Flights was with Allegiant from $191. The cheapest one-way flight was with Allegiant from $109.

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

The cheapest American flight from Phoenix to Knoxville is $419, flying from Jun 11 to Jun 14.
The cheapest Delta flight from Phoenix to Knoxville is $399, flying from Jul 23 to Jul 26.
The cheapest Southwest flight from Phoenix to Knoxville is $409, flying from Jul 9 to Jul 13.
The cheapest United flight from Phoenix to Knoxville is $424, flying from Jun 27 to Jun 28.
The cheapest Allegiant flight from Phoenix to Knoxville is $191, flying from Jul 30 to Aug 2.
The cheapest Frontier flight from Phoenix to Knoxville is $250, flying from May 28 to Jun 1.

The cheapest round-trip flight from Phoenix to Knoxville starts at $191 from Thu, Jul 30 to Sun, Aug 2. The cheapest one-way flight starts at $109 and departs on Sun, Jul 19.

3 hr 24 min is the shortest flight time from Phoenix to Knoxville.

A common time to visit Knoxville is May–Oct, when the weather is warm and relatively dry. Summers (Jun–Aug) are warm to hot, and winters (Dec–Feb) are cool. Rain is possible year-round. The annual Big Ears Music Festival (Mar) features music, film and visual art. The Rhythm N' Blooms Music Festival sees performances in the city's historic district. The Dogwood Arts Festival (Apr) brings arts and crafts booths, live music and food stalls to Market Square.

It's easy to use Google Flights to find the cheapest days to fly from Phoenix to Knoxville.
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 Phoenix to Knoxville 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 Phoenix to Knoxville.

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

In terms of flights, American is the most popular. American offers 847 connecting flights per week. American flies from Phoenix Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) .

Other popular airlines flying from Phoenix to Knoxville are:

Delta offers 323 connecting flights per week. Delta flies from Phoenix Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) .
Southwest offers 214 connecting flights per week. Southwest flies from Phoenix Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) .
United offers 147 connecting flights per week. United flies from Phoenix Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) .
Frontier offers 12 connecting flights per week. Frontier flies from Phoenix Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) .

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

The cheapest round-trip flight from Phoenix to Knoxville recently found on Google Flights was with Allegiant from $191. The cheapest one-way flight was with Allegiant from $109.

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

The cheapest American flight from Phoenix to Knoxville is $419, flying from Jun 11 to Jun 14.
The cheapest Delta flight from Phoenix to Knoxville is $399, flying from Jul 23 to Jul 26.
The cheapest Southwest flight from Phoenix to Knoxville is $409, flying from Jul 9 to Jul 13.
The cheapest United flight from Phoenix to Knoxville is $424, flying from Jun 27 to Jun 28.
The cheapest Allegiant flight from Phoenix to Knoxville is $191, flying from Jul 30 to Aug 2.
The cheapest Frontier flight from Phoenix to Knoxville is $250, flying from May 28 to Jun 1.

Allegiant flies direct from Phoenix to Knoxville.

There are 2 Allegiant direct flights from Phoenix to Knoxville 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 Phoenix and Knoxville at price $323 is offered by Allegiant from Thu, May 7 to Mon, May 11.

Allegiant flies direct from Phoenix to Knoxville.

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

The cheapest direct (nonstop) round-trip flights between Phoenix and Knoxville start at $191 from Thu, Jul 30 to Sun, Aug 2 with Allegiant.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Phoenix to Knoxville, 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 Phoenix and Knoxville start at $518 from Thu, Jul 23 to Mon, Jul 27 with Frontier.

The cheapest economy class round-trip flights between Phoenix and Knoxville start at $191 from Thu, Jul 30 to Sun, Aug 2.

To book business class trips from Phoenix to Knoxville, 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 Phoenix and Knoxville starts at $323 from Thu, May 7 to Mon, May 11 with Allegiant.

The cheapest last-minute deal between Phoenix and Knoxville at price $323 is offered by Allegiant from Thu, May 7 to Mon, May 11.

To find last-minute flight deals from Phoenix to Knoxville, 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.