$115 Cheap Flights from Phoenix (PHX) to Knoxville (TYS)

View $115 flight on Sat, Aug 30, 2025Opens in a new window

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

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Cheap Flights from Phoenix to Knoxville (PHX-TYS)

Prices were available within the past 7 days and start at $115 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 30 - Tue, Sep 2
PHX
Phoenix
TYS
Knoxville
$240 Roundtrip, found 10 hours ago
$240
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Phoenix to Knoxville, returning Tue, Sep 2, priced at $240 found 10 hours ago
United
Sun, Aug 31 - Tue, Sep 9
PHX
Phoenix
TYS
Knoxville
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 31 from Phoenix to Knoxville, returning Tue, Sep 9, priced at $240 found 1 day ago
United
Sat, Oct 25 - Fri, Oct 31
PHX
Phoenix
TYS
Knoxville
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 25 from Phoenix to Knoxville, returning Fri, Oct 31, priced at $242 found 6 days ago
United
Sat, Aug 30 - Tue, Sep 2
PHX
Phoenix
TYS
Knoxville
$243 Roundtrip, found 10 hours ago
$243
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Aug 30 from Phoenix to Knoxville, returning Tue, Sep 2, priced at $243 found 10 hours ago
Delta
Sat, Oct 25 - Fri, Oct 31
PHX
Phoenix
TYS
Knoxville
$245 Roundtrip, found 6 days ago
$245
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 25 from Phoenix to Knoxville, returning Fri, Oct 31, priced at $245 found 6 days ago
American Airlines
Sat, Aug 30 - Tue, Sep 2
PHX
Phoenix
TYS
Knoxville
$246 Roundtrip, found 10 hours ago
$246
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Phoenix to Knoxville, returning Tue, Sep 2, priced at $246 found 10 hours ago
Frontier Airlines
Sat, Oct 4 - Mon, Oct 20
PHX
Phoenix
TYS
Knoxville
$248 Roundtrip, found 3 hours ago
$248
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Oct 4 from Phoenix to Knoxville, returning Mon, Oct 20, priced at $248 found 3 hours ago
American Airlines
Sat, Aug 30 - Mon, Sep 8
PHX
Phoenix
TYS
Knoxville
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from Phoenix to Knoxville, returning Mon, Sep 8, priced at $250 found 1 day ago
United
Sat, Nov 1 - Sat, Nov 8
PHX
Phoenix
TYS
Knoxville
$253 Roundtrip, found 8 hours ago
$253
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Nov 1 from Phoenix to Knoxville, returning Sat, Nov 8, priced at $253 found 8 hours ago
Alaska Airlines
Tue, Sep 16 - Sat, Sep 20
PHX
Phoenix
TYS
Knoxville
$389 Roundtrip, found 12 hours ago
$389
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Phoenix to Knoxville, returning Sat, Sep 20, priced at $389 found 12 hours ago

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

November is typically the cheapest month to fly

From $138 - $697 per traveler.

Graph displaying average flight prices per month

Alternative airports near Knoxville

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

Select flight to McGhee Tyson TYS. Cheapest and Closest option available. Average driving time to city center is 22 minutes. Flights from $248
TYS
McGhee Tyson
CheapestClosest
Average driving time to city center22 min
Flights from $248
Flights from Phoenix (PHX) to Knoxville (TYS)
Origin airport
Sky Harbor Intl.
Destination airport
McGhee Tyson
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$239
Distance
1596 mi

Phoenix to Knoxville Flights

The cheapest times to fly from Phoenix to Knoxville

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 Phoenix to Knoxville are during the month of August. You can find some of the cheapest flights from Phoenix to Knoxville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Knoxville

Sunday is one of the best days to book for cheap flights from Phoenix to Knoxville: 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 Phoenix to Knoxville

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 Phoenix to Knoxville in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 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 Phoenix to Knoxville 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 Phoenix to Knoxville 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 Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS) cost?
Discover the latest flight deals from PHX to TYS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to TYS?
The cheapest flights from PHX to TYS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHX to TYS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to TYS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)?
On average, Sky Harbor Intl. Airport (PHX) offers 2 direct flights to McGhee Tyson Airport (TYS) weekly. If you want more options, take advantage of Expedia's filters to look for flights with a layover. Fit in a quick visit to another destination or simply break up your trip.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)?
Flights between PHX and TYS tend to be busiest at 3 PM. If you're after a more relaxed experience and potentially cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from PHX to TYS?
Fly on a Sunday if you're looking for the best selection of flights from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)?
Catch the earliest flight at around 3:54PM UTC-7, departing from Sky Harbor Intl. Airport (PHX). You'll be in the air for approximately 3h 24m, coming in to land at McGhee Tyson Airport (TYS) at approximately 9:18PM UTC-5.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)?
The average flight time from PHX to TYS is 3 hours and 24 minutes, covering a distance of 1,600 mi.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)?
To arrive at McGhee Tyson Airport (TYS) on schedule, book a flight that leaves from Sky Harbor Intl. Airport (PHX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Knoxville from Sky Harbor Intl. Airport (PHX)?
If you're boarding a direct flight from Sky Harbor Intl. Airport (PHX) to Knoxville, McGhee Tyson Airport (TYS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS) last-minute?
Waiting until right before your break to book a flight from PHX to TYS generally means paying more. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a PHX to TYS flight and hotel package?
You'll typically save money by booking a PHX to TYS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to McGhee Tyson Airport (TYS)?
If you reserved your PHX to TYS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.