$116 Cheap Flights from Phoenix (PHX) to Knoxville (TYS)

View $116 flight on Fri, Jun 5, 2026Opens 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 $116 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Apr 13 - Thu, Apr 23
PHX
Phoenix
TYS
Knoxville
$200 Roundtrip, found 4 hours ago
$200
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Phoenix to Knoxville, returning Thu, Apr 23, priced at $200 found 4 hours ago
Frontier Airlines
Sat, May 2 - Thu, May 7
PHX
Phoenix
TYS
Knoxville
$221 Roundtrip, found 12 hours ago
$221
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, May 2 from Phoenix to Knoxville, returning Thu, May 7, priced at $221 found 12 hours ago
Frontier Airlines
Sat, May 9 - Fri, May 22
PHX
Phoenix
TYS
Knoxville
$230 Roundtrip, found 21 hours ago
$230
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sat, May 9 from Phoenix to Knoxville, returning Fri, May 22, priced at $230 found 21 hours ago
Frontier Airlines
Fri, May 29 - Mon, Jun 1
PHX
Phoenix
TYS
Knoxville
$232 Roundtrip, found 5 hours ago
$232
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, May 29 from Phoenix to Knoxville, returning Mon, Jun 1, priced at $232 found 5 hours ago
Frontier Airlines
Fri, May 22 - Wed, May 27
PHX
Phoenix
TYS
Knoxville
$241 Roundtrip, found 14 hours ago
$241
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Fri, May 22 from Phoenix to Knoxville, returning Wed, May 27, priced at $241 found 14 hours ago
Southwest Airlines
Tue, May 5 - Thu, May 7
PHX
Phoenix
TYS
Knoxville
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, May 5 from Phoenix to Knoxville, returning Thu, May 7, priced at $250 found 1 day ago
Frontier Airlines
Mon, Aug 10 - Fri, Aug 21
PHX
Phoenix
TYS
Knoxville
$250 Roundtrip, found 14 hours ago
$250
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Aug 10 from Phoenix to Knoxville, returning Fri, Aug 21, priced at $250 found 14 hours ago
Delta
Tue, May 5 - Thu, May 7
PHX
Phoenix
TYS
Knoxville
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, May 5 from Phoenix to Knoxville, returning Thu, May 7, priced at $260 found 1 day ago
American Airlines
Sat, Apr 25 - Thu, Apr 30
PHX
Phoenix
TYS
Knoxville
$265 Roundtrip, found 14 hours ago
$265
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Apr 25 from Phoenix to Knoxville, returning Thu, Apr 30, priced at $265 found 14 hours ago
United
Wed, Apr 29 - Tue, May 5
PHX
Phoenix
TYS
Knoxville
$309 Roundtrip, found 4 hours ago
$309
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Apr 29 from Phoenix to Knoxville, returning Tue, May 5, priced at $309 found 4 hours ago

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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 $1,747
TYS
McGhee Tyson
CheapestClosest
Average driving time to city center22 min
Flights from $1,747

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

January is typically the cheapest month to fly

From $138 - $709 per traveler.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) cost?
You can find cheap one-way flights from $116 and cheap return flights from $200 Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) with Expedia. One-way flights usually range from $174 to $913, and return flights typically cost between $313 and $1412. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
August is the cheapest month to fly from Phoenix, AZ (PHX) to Knoxville, TN (TYS), with average return fares around $359. This is about 26% lower than the average price throughout the year, as travel tends to slow down after the summer. Other affordable months to consider are January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
Enter PHX to TYS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
American Airlines is one of the cheapest airlines offering connecting flights from Phoenix (PHX) to Knoxville (TYS) with round-trip tickets starting from around $285. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
For flights from Phoenix (PHX) to Knoxville (TYS), the ideal months to travel are April and August, with average return flight prices around $359. April offers pleasant spring weather, while August is often less busy, allowing for a more relaxed travel experience. This insight is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
The earliest flight from Sky Harbor International Airport (PHX) to McGhee Tyson Airport (TYS) typically departs at around 12:15 AM, operated by American Airlines. An early start like this can be beneficial for travelers looking to arrive in Knoxville early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
The most popular departure times for flights from Phoenix, AZ (PHX) to Knoxville, TN (TYS) are in the early morning, from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Delta Air Lines, offer flights during this window. This timing is favored because it lets you arrive in Knoxville with plenty of time to enjoy your day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
Flights from PHX to TYS with one stop typically take around 8 hours 20 minutes, covering approximately 1,596 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
First class is available on flights from PHX to TYS. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Knoxville from Sky Harbor Intl. (PHX)?
If you're planning to travel to Knoxville from Sky Harbor Intl. (PHX), you can fly into McGhee Tyson (TYS) Some flights may connect through major hubs like Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX) before reaching Knoxville. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Knoxville, TN (TYS-McGhee Tyson) 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 ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
McGhee Tyson
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$200
Distance
1596 mi
Average flight time
6 hours 22 mins

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $116 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.

 

Phoenix to Knoxville Flights

*Flight schedules are subject to change.

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*Available to One Key members.