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$89+ Cheap flights from Sky Harbor Intl (PHX) to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson are usually found in February or January, booked 47 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from Sky Harbor Intl to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$147
(FlightHub)

One-way from

$89
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$296

Good round-trip deal

$223 or less

Good one-way deal

$151 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Knoxville McGhee Tyson flights.
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From Phoenix Sky Harbor Intl to Knoxville McGhee Tyson
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One-way flight from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson.
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Find flight deals from Sky Harbor Intl to Knoxville

Cheapest flights from Sky Harbor Intl to Knoxville
Explore the most affordable flight options available from Sky Harbor Intl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:56 pmPHX - TYS
Nonstop3h 26mMultiple Airlines
Mon 12/84:52 pmTYS - PHX
1 stop9h 52mMultiple Airlines
Deal found 10/25$147
This Frontier deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amPHX - TYS
1 stop6h 57mFrontier
Mon 12/84:52 pmTYS - PHX
1 stop9h 52mFrontier
Deal found 10/25$150
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:56 pmPHX - TYS
Nonstop3h 26mMultiple Airlines
Sun 12/76:30 amTYS - PHX
1 stop27h 36mMultiple Airlines
Deal found 10/25$159
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:56 pmPHX - TYS
Nonstop3h 26mAllegiant Air
Sun 12/72:01 pmTYS - PHX
Nonstop4h 05mAllegiant Air
Deal found 10/26$160
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:12 pmPHX - TYS
1 stop21h 45mFrontier
Mon 12/84:52 pmTYS - PHX
1 stop9h 52mFrontier
Deal found 10/25$176
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:00 amPHX - TYS
1 stop6h 57mFrontier
Mon 12/84:52 pmTYS - PHX
1 stop9h 52mFrontier
Deal found 10/25$181
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:32 pmPHX - TYS
1 stop18h 39mMultiple Airlines
Mon 12/84:52 pmTYS - PHX
1 stop9h 52mMultiple Airlines
Deal found 10/25$182
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:56 pmPHX - TYS
Nonstop3h 26mMultiple Airlines
Mon 12/84:52 pmTYS - PHX
1 stop9h 52mMultiple Airlines
Deal found 10/25$185
This Gotogate deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:36 pmPHX - TYS
Nonstop3h 22mMultiple Airlines
Thu 11/137:17 pmTYS - PHX
1 stop7h 12mMultiple Airlines
Deal found 10/25$190

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Knoxville that are best for you.

Fly from

Sky Harbor Intl

Fly to

Knoxville

Route

Depart

Return

Price

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 12/18

4:56 pm-10:22 pm

Nonstop3h 26m

Knoxville McGhee Tyson

Sat 1/3

12:21 pm-2:26 pm

Nonstop4h 05m

$266

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Mon 12/8

2:37 pm-11:28 pm

1 stop6h 51m

Knoxville McGhee Tyson

Sat 12/13

8:35 am-3:41 pm

1 stop9h 06m

$280

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sun 12/7

6:00 am-1:44 pm

1 stop5h 44m

Knoxville McGhee Tyson

Tue 12/9

3:57 pm-8:12 pm

1 stop6h 15m

$315

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 12/2

11:59 pm-9:38 am

1 stop7h 39m

Knoxville McGhee Tyson

Wed 12/10

5:40 am-10:28 am

1 stop6h 48m

$335

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 11/25

5:47 pm-11:07 pm

Nonstop3h 20m

Knoxville McGhee Tyson

Mon 12/1

12:50 pm-6:31 pm

2 stops31h 41m

$340

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sun 11/9

11:59 pm-9:37 am

1 stop7h 38m

Knoxville McGhee Tyson

Mon 11/17

3:53 pm-10:49 pm

1 stop8h 56m

$359

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sat 11/8

11:59 pm-9:37 am

1 stop7h 38m

Knoxville McGhee Tyson

Tue 11/11

5:35 am-12:13 pm

1 stop8h 38m

$359

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 12/18

6:00 am-2:52 pm

1 stop6h 52m

Knoxville McGhee Tyson

Tue 12/23

6:59 pm-11:53 pm

1 stop6h 54m

$364

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Fri 1/23

7:40 am-10:47 pm

2 stops13h 07m

Knoxville McGhee Tyson

Mon 1/26

12:19 pm-11:59 pm

2 stops13h 40m

$409

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 11/4

1:05 pm-11:22 pm

1 stop8h 17m

Knoxville McGhee Tyson

Wed 11/12

6:35 am-2:02 pm

1 stop9h 27m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 22 results
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Compare providers for flights from Sky Harbor Intl to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Knoxville in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Knoxville flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Phoenix Sky Harbor Intl Airport-Knoxville flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Knoxville flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Knoxville

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Knoxville. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Knoxville, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Knoxville?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Knoxville (average of $88). Flying from Phoenix Sky Harbor Intl Airport to Knoxville in September is currently the most expensive (average of $157). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to TYS?

Find hourly flight availability from Sky Harbor Intl to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 53% versus a flight in the evening.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Knoxville. Price data was last updated on October 19, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Knoxville flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated October 27, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Knoxville, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,031 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
695 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,123 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Phoenix Sky Harbor Intl?

    If you book a flight to Knoxville from Phoenix Sky Harbor Intl, you will be flying to McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from Phoenix Sky Harbor Intl to McGhee Tyson per day from 5 different airlines.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Knoxville?

    For as low as $266, Allegiant Air can have you in Knoxville from Phoenix Sky Harbor Intl Airport in 3h 26m. The distance between Phoenix Sky Harbor Intl Airport and Knoxville is about 1594 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Knoxville round-trip?

    Allegiant Air, at $114, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Knoxville.Alternate airlines to your destination round-trip include Frontier and American Airlines. These flights start at 60% lower than the current average price 3 months from now.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Knoxville?

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (Phoenix Sky Harbor Intl - Knoxville McGhee Tyson) can be booked for $160 on average, our data indicates $224 when flying from Phoenix Sky Harbor Intl Airport to Knoxville.

  • Can I find deals for flights from Sky Harbor Intl to Knoxville that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Knoxville.

  • Can I find deals for business class flights from Sky Harbor Intl to Knoxville?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Knoxville?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Knoxville (average of $88). Flying from Phoenix Sky Harbor Intl Airport to Knoxville in September is currently the most expensive (average of $157). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Sky Harbor Intl to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Sky Harbor Intl to Knoxville

Discover the top 5 airlines that operate flights from Sky Harbor Intl to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$114Average$221FlexibilityNo cancel feeOn-time88%
FrontierCheapest$119Average$263FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$250Average$462FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$429FlexibilityNo cancel feeOn-time71%
DeltaCheapest$269Average$340FlexibilityNo cancel feeOn-timeN/A

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