$91 Cheap Flights from Knoxville (TYS) to Phoenix (PHX)

View $91 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from McGhee Tyson Airport (TYS) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Knoxville to Phoenix (TYS-PHX)

Prices were available within the past 7 days and start at $91 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 8 - Thu, Jan 15
TYS
Knoxville
PHX
Phoenix
$182 Roundtrip, found 3 hours ago
$182
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Knoxville to Phoenix, returning Thu, Jan 15, priced at $182 found 3 hours ago
Frontier Airlines
Thu, Dec 11 - Thu, Jan 22
TYS
Knoxville
PHX
Phoenix
$192 Roundtrip, found 3 hours ago
$192
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Knoxville to Phoenix, returning Thu, Jan 22, priced at $192 found 3 hours ago
Frontier Airlines
Mon, Dec 8 - Sun, Dec 28
TYS
Knoxville
PHX
Phoenix
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Knoxville to Phoenix, returning Sun, Dec 28, priced at $193 found 6 days ago
Frontier Airlines
Thu, Dec 11 - Sun, Dec 14
TYS
Knoxville
PHX
Phoenix
$207 Roundtrip, found 4 hours ago
$207
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Knoxville to Phoenix, returning Sun, Dec 14, priced at $207 found 4 hours ago
Frontier Airlines
Mon, Dec 8 - Thu, Jan 22
TYS
Knoxville
PHX
Phoenix
$213 Roundtrip, found 3 hours ago
$213
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Knoxville to Phoenix, returning Thu, Jan 22, priced at $213 found 3 hours ago
Frontier Airlines
Sun, Jan 11 - Thu, Jan 15
TYS
Knoxville
PHX
Phoenix
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jan 11 from Knoxville to Phoenix, returning Thu, Jan 15, priced at $217 found 1 day ago
American Airlines
Tue, Feb 10 - Thu, Feb 12
TYS
Knoxville
PHX
Phoenix
$246 Roundtrip, found 5 days ago
$246
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Feb 10 from Knoxville to Phoenix, returning Thu, Feb 12, priced at $246 found 5 days ago
United
Sun, Jan 18 - Wed, Jan 21
TYS
Knoxville
PHX
Phoenix
$285 Roundtrip, found 14 hours ago
$285
Roundtrip
found 14 hours ago
Select United flight, departing Sun, Jan 18 from Knoxville to Phoenix, returning Wed, Jan 21, priced at $285 found 14 hours ago
Southwest Airlines
Tue, Jun 2 - Tue, Jun 9
TYS
Knoxville
PHX
Phoenix
$379 Roundtrip, just found
$379
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Jun 2 from Knoxville to Phoenix, returning Tue, Jun 9, priced at $379 just found
Alaska Airlines
Sat, Jan 24 - Wed, Jan 28
TYS
Knoxville
PHX
Phoenix
$409 Roundtrip, found 2 days ago
$409
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Knoxville to Phoenix, returning Wed, Jan 28, priced at $409 found 2 days ago

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Find the cheapest month to fly from Knoxville (TYS) to Phoenix (PHX)

January is typically the cheapest month to fly

From $158 - $698 per traveler.

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $192
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $192
Flights from Knoxville (TYS) to Phoenix (PHX)
Origin airport
McGhee Tyson
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$182
Distance
1596 mi
Average flight time
2 hours 10 mins

Knoxville to Phoenix Flights

The cheapest times to fly from Knoxville to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knoxville to Phoenix are during the month of January. You can find some of the cheapest flights from Knoxville to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Knoxville to Phoenix

Sunday is one of the best days to book for cheap flights from Knoxville to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Knoxville to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knoxville to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knoxville to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knoxville to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX) cost?
Secure a cheap one-way flight from $91 or cheap return flight from $182 from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
January is the least expensive month to fly from TYS to PHX. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest TYS to PHX flight.
How many flights per day from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
On average, McGhee Tyson Airport (TYS) offers 2 direct flights to Sky Harbor Intl. Airport (PHX) weekly. For more choice, take advantage of Expedia's filter tool to search for flights with a layover. Fit in a quick visit to another location or simply break up your travels.
What are the most popular departure times for flights from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
The 12 PM departures from TYS to PHX are the top choice for many travelers. Prices can be higher for these popular slots. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from TYS to PHX?
Fly on a Thursday if you're looking for the best choice of flights from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
McGhee Tyson Airport (TYS)'s earliest flight to Sky Harbor Intl. Airport (PHX) departs at approximately 12:33PM UTC-5. With a travel time of 4h 31m, you'll touch down at around 3:04PM UTC-7.
How long does it take to fly from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
The average flight time from TYS to PHX is 4 hours and 31 minutes, covering a total distance of 1,600 mi.
What is the best time to fly from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
To avoid possible delays on the McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phoenix from McGhee Tyson Airport (TYS)?
Sky Harbor Intl. Airport (PHX) is the only airport in Phoenix with direct flights from McGhee Tyson Airport (TYS). Check out the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX) last-minute?
Last-minute fares from TYS to PHX are usually more expensive. For the lowest rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a TYS to PHX flight and hotel package?
Compared with arranging hotels and flights separately, booking a TYS to PHX flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and select from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to Sky Harbor Intl. Airport (PHX)?
Usually, it's possible to reschedule or cancel your TYS to PHX flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.