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$117+ Cheap flights from Knoxville (TYS) to Phoenix

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Phoenix are usually found in September or January, booked 67 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Knoxville to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Phoenix (PH1). 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 23, 2025.

Round-trip from

$122
(Cheapflightsfares)

One-way from

$117
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$314
From Knoxville McGhee Tyson to Phoenix
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One-way flight from Knoxville McGhee Tyson to Phoenix
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Highest demand for flights based on searches. 14% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Knoxville to Phoenix

Cheapest flights from Knoxville to Phoenix
Explore the most affordable flight options available from Knoxville to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 10/302:23 pmTYS - PHX
Nonstop3h 59mAllegiant Air
Sun 11/25:12 pmPHX - TYS
Nonstop3h 30mAllegiant Air
Deal found 10/21$201
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Mon 12/112:50 pmTYS - PHX
2 stops31h 41mMultiple Airlines
Sun 12/74:56 pmPHX - TYS
Nonstop3h 26mMultiple Airlines
Deal found 10/23$211
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 11/62:34 pmTYS - PHX
Nonstop4h 12mAllegiant Air
Sun 11/95:36 pmPHX - TYS
Nonstop3h 22mAllegiant Air
Deal found 10/23$214
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/97:00 amTYS - PHX
1 stop27h 24mMultiple Airlines
Thu 11/135:36 pmPHX - TYS
Nonstop3h 22mMultiple Airlines
Deal found 10/22$218
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/27:00 amTYS - PHX
1 stop27h 24mMultiple Airlines
Thu 11/65:36 pmPHX - TYS
Nonstop3h 22mMultiple Airlines
Deal found 10/20$228
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/75:23 pmTYS - PHX
2 stops23h 55mMultiple Airlines
Wed 12/104:32 pmPHX - TYS
1 stop18h 39mMultiple Airlines
Deal found 10/23$235
This eDestinos deal was found by Cheapflights users on 10/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amTYS - PHX
1 stop16h 58mMultiple Airlines
Sun 11/25:12 pmPHX - TYS
Nonstop3h 30mMultiple Airlines
Deal found 10/21$237
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/65:05 amTYS - PHX
1 stop7h 06mAmerican Airlines
Fri 12/1212:30 amPHX - TYS
1 stop6h 06mAmerican Airlines
Deal found 10/21$239
This FlightHub deal was found by Cheapflights users on 10/22. 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.
Mon 10/2710:00 amTYS - PHX
Nonstop3h 59mMultiple Airlines
Sat 11/86:11 pmPHX - TYS
1 stop22h 11mMultiple Airlines
Deal found 10/22$241
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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.
Sun 12/142:01 pmTYS - PHX
Nonstop4h 05mAllegiant Air
Thu 12/184:56 pmPHX - TYS
Nonstop3h 26mAllegiant Air
Deal found 10/22$242

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Phoenix 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 23, 2025.
Use the filters below to find and compare flights from Knoxville to Phoenix that are best for you.

Fly from

Knoxville

Fly to

Phoenix

Route

Depart

Return

Price

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Mon 12/1

12:50 pm-6:31 pm

2 stops31h 41m

Phoenix Sky Harbor Intl

Mon 12/8

7:00 am-3:57 pm

1 stop6h 57m

$225

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 1/8

12:19 pm-4:47 pm

1 stop6h 28m

Phoenix Sky Harbor Intl

Sun 1/11

12:30 am-9:42 am

1 stop7h 12m

$239

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Wed 1/14

4:25 pm-10:59 pm

1 stop8h 34m

Phoenix Sky Harbor Intl

Tue 1/20

9:30 am-6:05 pm

1 stop6h 35m

$239

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Wed 12/3

6:29 pm-11:52 pm

1 stop7h 23m

Phoenix Sky Harbor Intl

Mon 12/8

2:08 pm-11:57 pm

1 stop7h 49m

$274

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sat 12/6

10:15 am-3:20 pm

2 stops31h 05m

Phoenix Sky Harbor Intl

Sat 12/13

9:16 am-1:11 pm

1 stop25h 55m

$301

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 11/6

7:00 am-3:05 pm

2 stops10h 05m

Phoenix Sky Harbor Intl

Sun 11/9

5:36 pm-10:58 pm

Nonstop3h 22m

$306

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 12/18

4:26 pm-12:29 am

1 stop10h 03m

Phoenix Sky Harbor Intl

Sun 12/21

4:56 pm-10:22 pm

Nonstop3h 26m

$310

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Tue 11/18

8:26 am-2:10 pm

1 stop7h 44m

Phoenix Sky Harbor Intl

Tue 11/25

3:12 pm-11:59 pm

1 stop6h 47m

$315

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sun 11/30

11:29 am-6:31 pm

3 stops57h 02m

Phoenix Sky Harbor Intl

Sun 12/7

4:56 pm-10:22 pm

Nonstop3h 26m

$316

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 11/21

4:48 pm-8:55 am

1 stop18h 07m

Phoenix Sky Harbor Intl

Wed 11/26

5:18 pm-5:29 pm

2 stops22h 11m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 22 results
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Best time to book a flight from Knoxville to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix 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

How far ahead should I book a flight from Knoxville to Phoenix?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Phoenix. Price data was last updated on October 17, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Knoxville to Phoenix?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Phoenix (average of $106). Flying from Knoxville to Phoenix in November is currently the most expensive (average of $139). 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Phoenix at noon. If you’re flexible enough to do this you can expect to save up to 65% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Knoxville to Phoenix?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Phoenix. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Knoxville to Phoenix flight should consider departing on Thursday 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 Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated October 23, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to Phoenix by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,982 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

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
7,982 reviews
Delta
7.9
Good
7,982 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

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
8,995 reviews
Delta
7.9
Good
7,982 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

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
11,033 reviews
Delta
7.9
Good
7,982 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

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
694 reviews
Delta
7.9
Good
7,982 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

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 Knoxville to Phoenix. 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?

    If you book a flight to Phoenix from Knoxville, you will be flying from 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 McGhee Tyson to Phoenix per day from 4 different airlines.

  • How long is the flight from Knoxville to Phoenix?

    There are many flights that can get you from Knoxville to Phoenix in 6h 28m. Fly via American Airlines or United Airlines to get the fastest option. The distance between Knoxville and Phoenix is about 1594 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Knoxville to Phoenix round-trip?

    Flying on Allegiant Air is currently your cheapest option to Phoenix, with prices starting at $116. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $128 and $220, respectively. Allegiant Air is 63% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Knoxville to Phoenix one-way?

    $117 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 Frontier and American Airlines, with prices starting from $118 and $120, respectively.

  • What are the cheapest flights from Knoxville to Phoenix?

    Looking at all options, your cheapest flight can be booked for $64. While the most popular route (Knoxville McGhee Tyson - Phoenix Sky Harbor Intl) can be booked for $122 on average, our data indicates $252 when flying from Knoxville to Phoenix.

  • Can I find deals for flights from Knoxville to Phoenix that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Phoenix?

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

  • Can I find deals for business class flights from Knoxville to Phoenix?

    Yes. Cheapflights offers flight deals from Knoxville to Phoenix 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?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Phoenix (average of $106). Flying from Knoxville to Phoenix in November is currently the most expensive (average of $139). 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

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Top 4 airlines flying from Knoxville to Phoenix

Discover the top 4 airlines that operate flights from Knoxville to Phoenix. 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$116Average$230FlexibilityNo cancel feeOn-time88%
DeltaCheapest$128Average$380FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$220Average$492FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$251Average$475FlexibilityNo cancel feeOn-time71%

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