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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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl are usually found in January or July, booked 59 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

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 June 26, 2025.

Round-trip from

$115
(Mytrip)

One-way from

$78
(Mytrip)

Popular in

February

Cheapest in

January

Average price

$391

Good round-trip deal

$166 or less

Good one-way deal

$98 or less
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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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 26, 2025.

This Mytrip deal was found by Cheapflights users on 6/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:00 amTYS - PHX
Nonstop3h 49mAllegiant Air
Thu 8/148:05 amPHX - TYS
Nonstop3h 27mAllegiant Air
Deal found 6/25$115
This Priceline deal was found by Cheapflights users on 6/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:26 pmTYS - PHX
1 stop6h 01mFrontier
Fri 10/108:44 amPHX - TYS
1 stop7h 53mFrontier
Deal found 6/26$194
This Mytrip deal was found by Cheapflights users on 6/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/811:01 amTYS - PHX
1 stop8h 01mMultiple Airlines
Sun 8/107:39 amPHX - TYS
Nonstop3h 32mMultiple Airlines
Deal found 6/25$214
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:40 pmTYS - PHX
1 stop6h 37mUnited Airlines
Tue 9/912:40 pmPHX - TYS
1 stop6h 55mUnited Airlines
Deal found 6/24$251
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:56 pmTYS - PHX
1 stop9h 17mAmerican Airlines
Sun 10/55:33 amPHX - TYS
1 stop6h 10mAmerican Airlines
Deal found 6/26$270
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:30 amTYS - PHX
1 stop9h 31mDelta
Sun 10/1210:55 pmPHX - TYS
1 stop8h 18mDelta
Deal found 6/26$318
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:37 pmTYS - PHX
2 stops20h 28mAlaska Airlines
Tue 10/73:44 pmPHX - TYS
2 stops18h 34mAlaska Airlines
Deal found 6/25$370

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 June 26, 2025.
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

Thu 8/7

6:00 am-6:49 am

Nonstop3h 49m

Phoenix Sky Harbor Intl

Thu 8/14

8:05 am-2:32 pm

Nonstop3h 27m

$115

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Mon 9/29

8:26 pm-11:27 pm

1 stop6h 01m

Phoenix Sky Harbor Intl

Fri 10/10

8:44 am-7:37 pm

1 stop7h 53m

$194

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 8/8

11:01 am-4:02 pm

1 stop8h 01m

Phoenix Sky Harbor Intl

Sun 8/10

7:39 am-2:11 pm

Nonstop3h 32m

$214

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sat 9/6

4:40 pm-8:17 pm

1 stop6h 37m

Phoenix Sky Harbor Intl

Tue 9/9

12:40 pm-10:35 pm

1 stop6h 55m

$251

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Wed 10/1

3:56 pm-10:13 pm

1 stop9h 17m

Phoenix Sky Harbor Intl

Sun 10/5

5:33 am-2:43 pm

1 stop6h 10m

$270

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sat 9/27

7:30 am-2:01 pm

1 stop9h 31m

Phoenix Sky Harbor Intl

Sun 10/12

10:55 pm-10:13 am

1 stop8h 18m

$318

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 10/3

4:37 pm-10:05 am

2 stops20h 28m

Phoenix Sky Harbor Intl

Tue 10/7

3:44 pm-1:18 pm

2 stops18h 34m

$370

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sun 9/14

2:33 pm-3:29 pm

Nonstop3h 56m

$78

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Tue 7/29

6:29 pm-10:52 pm

1 stop7h 23m

$126

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Tue 7/29

7:00 am-12:27 pm

2 stops8h 27m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 13 results
1
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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 June 20, 2025.

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 59 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, January is the cheapest month in which you can book a flight from Knoxville to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 June 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Phoenix Sky Harbor Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Sky Harbor Intl. Price data was last updated on June 22, 2025.

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

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 June 26, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.2
Good
712 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 5 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • 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 $115. Other airlines that can offer you cheap pricing are Frontier, from $194, and United Airlines, from $251. Allegiant Air is priced at 66% 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?

    $78 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $126 and $131, 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 $60. On average you can expect to pay $174. The most popular route, (Knoxville McGhee Tyson - Phoenix Sky Harbor Intl), can usually be booked for $108.

  • 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, January is the cheapest month in which you can book a flight from Knoxville to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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?

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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 5 airlines flying from Knoxville to Sky Harbor Intl

Discover the top 5 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$116Average$232FlexibilityNo cancel feeOn-time88%
DeltaCheapest$128Average$441FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$138Average$282FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$228Average$570FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$489FlexibilityNo cancel feeOn-time71%

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