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Sky Harbor Intl

$78+ Cheap flights from Knoxville (TYS) to Sky Harbor Intl (PHX)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Find cheap flights from Knoxville to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl are usually found in September or August, booked 67 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Knoxville to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Sky Harbor Intl (PHX). 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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(Kiwi.com)

One-way from

$78
(Super.com)

Popular in

November

Cheapest in

September

Average price

$270

Good round-trip deal

$211 or less

Good one-way deal

$100 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Phoenix Sky Harbor Intl flights.
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From Knoxville McGhee Tyson to Phoenix Sky Harbor Intl
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One-way flight from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl.
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Find flight deals from Knoxville to Sky Harbor Intl

Cheapest flights from Knoxville to Sky Harbor Intl
Explore the most affordable flight options available from Knoxville to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 8, 2026.

This Booking.com deal was found by Cheapflights users on 1/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/110:00 amTYS - PHX
Nonstop4h 26mAllegiant Air
jue. 2/1212:25 pmPHX - TYS
Nonstop3h 27mAllegiant Air
Deal found 1/6$166
This Frontier deal was found by Cheapflights users on 1/6. 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.
lun. 2/94:30 pmTYS - PHX
1 stop10h 10mFrontier
lun. 2/236:00 amPHX - TYS
1 stop11h 18mFrontier
Deal found 1/6$180
This Booking.com deal was found by Cheapflights users on 1/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/128:00 amTYS - PHX
Nonstop4h 06mAllegiant Air
dom. 4/199:56 amPHX - TYS
Nonstop3h 24mAllegiant Air
Deal found 1/5$182
This Booking.com deal was found by Cheapflights users on 1/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/128:00 amTYS - PHX
Nonstop4h 06mAllegiant Air
jue. 4/169:56 amPHX - TYS
Nonstop3h 24mAllegiant Air
Deal found 1/5$202
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
sáb. 2/75:59 pmTYS - PHX
2 stops24h 57mMultiple Airlines
sáb. 3/712:06 pmPHX - TYS
Nonstop3h 28mMultiple Airlines
Deal found 1/7$204
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
jue. 2/51:39 pmTYS - PHX
2 stops33h 47mMultiple Airlines
jue. 2/1212:25 pmPHX - TYS
Nonstop3h 27mMultiple Airlines
Deal found 1/7$214
This Frontier deal was found by Cheapflights users on 1/7. 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.
vie. 2/276:51 pmTYS - PHX
1 stop7h 50mFrontier
lun. 3/26:00 amPHX - TYS
1 stop11h 18mFrontier
Deal found 1/7$215
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
lun. 2/94:30 pmTYS - PHX
1 stop10h 10mMultiple Airlines
sáb. 2/146:00 amPHX - TYS
2 stops38h 25mMultiple Airlines
Deal found 1/6$223
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
dom. 2/11:39 pmTYS - PHX
2 stops27h 43mMultiple Airlines
jue. 2/1212:25 pmPHX - TYS
Nonstop3h 27mMultiple Airlines
Deal found 1/6$225
This Booking.com deal was found by Cheapflights users on 1/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/268:00 amTYS - PHX
Nonstop4h 16mAllegiant Air
dom. 3/292:59 pmPHX - TYS
Nonstop3h 28mAllegiant Air
Deal found 1/6$226
This American Airlines deal was found by Cheapflights users on 1/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/286:00 amTYS - PHX
1 stop6h 19mAmerican Airlines
mié. 1/282:33 pmPHX - TYS
1 stop7h 26mAmerican Airlines
Deal found 1/6$231
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/24:30 pmTYS - PHX
1 stop10h 10mFrontier
lun. 2/97:00 amPHX - TYS
1 stop6h 35mFrontier
Deal found 1/7$233

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Sky Harbor Intl 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 enero 8, 2026.
Use the filters below to find and compare flights from Knoxville to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Knoxville

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

lun. 2/2

4:30 pm-12:40 am

1 stop10h 10m

Phoenix Sky Harbor Intl

lun. 2/9

7:00 am-3:35 pm

1 stop6h 35m

$233

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

dom. 2/1

10:00 am-12:26 pm

Nonstop4h 26m

Phoenix Sky Harbor Intl

jue. 2/12

6:57 pm-11:01 pm

1 stop26h 04m

$237

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

mié. 1/28

4:47 pm-11:09 pm

2 stops32h 22m

Phoenix Sky Harbor Intl

dom. 2/1

9:58 pm-3:35 pm

1 stop15h 37m

$288

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

mié. 4/1

5:01 pm-10:49 pm

1 stop8h 48m

Phoenix Sky Harbor Intl

lun. 4/6

10:29 pm-9:16 am

1 stop7h 47m

$308

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

mié. 3/11

5:30 am-9:22 am

1 stop6h 52m

Phoenix Sky Harbor Intl

dom. 3/15

11:05 pm-10:31 am

1 stop8h 26m

$309

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

jue. 3/12

5:01 pm-10:49 pm

1 stop8h 48m

Phoenix Sky Harbor Intl

lun. 3/16

11:55 pm-11:15 am

1 stop8h 20m

$309

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

jue. 2/5

10:05 am-12:31 pm

Nonstop4h 26m

Phoenix Sky Harbor Intl

dom. 2/8

2:50 pm-12:10 pm

3 stops43h 20m

$324

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

jue. 2/12

6:21 pm-12:44 am

1 stop8h 23m

Phoenix Sky Harbor Intl

lun. 2/16

11:14 pm-9:53 am

1 stop8h 39m

$325

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

jue. 3/26

5:01 pm-10:49 pm

1 stop8h 48m

Phoenix Sky Harbor Intl

dom. 3/29

11:05 pm-10:31 am

1 stop8h 26m

$329

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

jue. 1/29

6:59 am-7:12 pm

2 stops14h 13m

Phoenix Sky Harbor Intl

mar. 2/3

3:35 pm-11:44 pm

1 stop6h 09m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 20 results
1
2

Compare providers for flights from Knoxville to Sky Harbor Intl

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 Knoxville to Sky Harbor Intl in January.
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

*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 Knoxville-Phoenix Sky Harbor Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Knoxville-Phoenix Sky Harbor Intl Airport 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 Knoxville to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Knoxville 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 Knoxville to Phoenix Sky Harbor Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Sky Harbor Intl. Price data was last updated on January 2, 2026.

To ensure you get the cheapest price possible for a flight from Knoxville to Phoenix Sky Harbor Intl Airport, you should look to book at least 66 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 Knoxville to Phoenix Sky Harbor Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Phoenix Sky Harbor Intl Airport (average of $106). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $203). 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 TYS to PHX?

Find hourly flight availability from Knoxville to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 8, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Phoenix Sky Harbor Intl Airport as you normally would.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated enero 8, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,025 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,025 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,139 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,094 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
702 reviews
Delta
7.9
Good
8,025 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Sky Harbor Intl. 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 from for flights from Knoxville to Phoenix Sky Harbor Intl?

    Most people fly from Knoxville McGhee Tyson (TYS) if they book a flight from Knoxville to Phoenix Sky Harbor Intl. On average, McGhee Tyson has 0 outbound flights to Phoenix Sky Harbor Intl per day from 4 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

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

    Frontier and Delta can get you from Knoxville to Phoenix Sky Harbor Intl Airport in just under 8h 48m. Your travel time can differ by up to 1h 22m. The distance between Knoxville and Phoenix Sky Harbor Intl Airport is about 1594 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Knoxville to Phoenix Sky Harbor Intl Airport round-trip from $111. Other airlines that can offer you cheap pricing are Delta, from $128, and United Airlines, from $170. Allegiant Air is priced at 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to Phoenix Sky Harbor Intl Airport one-way?

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Allegiant Air and American Airlines, with prices starting from $68 and $114, respectively.

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

    The cheapest flight price from Knoxville to Phoenix Sky Harbor Intl Airport is $85. On average you can expect to pay $219. The most popular route, (Knoxville McGhee Tyson - Phoenix Sky Harbor Intl), can usually be booked for $182.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Sky Harbor Intl 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 Knoxville to Phoenix Sky Harbor Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Phoenix Sky Harbor Intl Airport (average of $106). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $203). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Paradise Valley
Glendale
Casa Grande
Globe
Peoria
Chandler
Payson
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

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Alternative routes for Knoxville to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Knoxville to Sky Harbor Intl

Discover the top 4 airlines that operate flights from Knoxville to Sky Harbor Intl. 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$115Average$237FlexibilityNo cancel feeOn-time88%
DeltaCheapest$128Average$341FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$250Average$421FlexibilityNo cancel feeOn-time71%

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