Phoenix

$98+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Jul 18 — Jul 251
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Phoenix are usually found in August or September, booked 36 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 June 18, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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.
Fri 10/166:00 am
TYS
-
PHX
Nonstop4h 01m
Allegiant Air
Mon 10/199:11 am
PHX
-
TYS
Nonstop3h 27m
Allegiant Air
Deal found 6/18$179
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 10/186:00 am
TYS
-
PHX
Nonstop4h 01m
Allegiant Air
Thu 10/223:43 pm
PHX
-
TYS
Nonstop3h 27m
Allegiant Air
Deal found 6/15$205
This Booking.com deal was found by Cheapflights users on 6/17. 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.
Fri 8/78:19 pm
TYS
-
PHX
1 stop6h 08m
Multiple Airlines
Sun 8/94:51 pm
PHX
-
TYS
Nonstop3h 36m
Multiple Airlines
Deal found 6/17$226
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 7/162:41 pm
TYS
-
PHX
Nonstop3h 49m
Allegiant Air
Thu 7/304:20 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 6/15$249
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 10/291:52 pm
TYS
-
PHX
Nonstop4h 01m
Multiple Airlines
Wed 11/47:40 am
PHX
-
TYS
1 stop27h 39m
Multiple Airlines
Deal found 6/17$251
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 7/262:41 pm
TYS
-
PHX
Nonstop3h 49m
Allegiant Air
Sun 8/24:20 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 6/16$254
This Expedia deal was found by Cheapflights users on 6/14. 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.
Mon 8/38:19 pm
TYS
-
PHX
1 stop19h 58m
Frontier
Fri 8/76:40 am
PHX
-
TYS
1 stop9h 44m
Frontier
Deal found 6/14$260
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 10/26:30 am
TYS
-
PHX
Nonstop4h 01m
Multiple Airlines
Wed 10/73:40 pm
PHX
-
TYS
1 stop18h 31m
Multiple Airlines
Deal found 6/15$263
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 12/101:58 pm
TYS
-
PHX
Nonstop4h 15m
Allegiant Air
Sun 12/135:03 pm
PHX
-
TYS
Nonstop3h 29m
Allegiant Air
Deal found 6/18$264
This Booking.com deal was found by Cheapflights users on 6/17. 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.
Fri 8/148:19 pm
TYS
-
PHX
1 stop25h 28m
Multiple Airlines
Sun 8/164:51 pm
PHX
-
TYS
Nonstop3h 36m
Multiple Airlines
Deal found 6/17$265

Find 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 June 18, 2026.

Round-trip from

$179
(Cheapflightsfares)

One-way from

$98
(Cheapflightsfares)

Popular in

June

Cheapest in

August

Average price

$532
From Knoxville McGhee Tyson to Phoenix
One-way flight from Knoxville McGhee Tyson to Phoenix
Highest demand for flights based on searches. 22% potential increase in price ($95 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 18, 2026.
Use the filters below to find and compare flights from Knoxville to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 8/21

7:41 pm-10:41 pm

1 stop6h 00m

Phoenix Sky Harbor Intl

Sun 8/23

3:00 pm-11:52 pm

1 stop5h 52m

$399

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/22

12:50 pm-8:50 pm

2 stops11h 00m

Phoenix Sky Harbor Intl

Tue 10/27

7:45 am-6:30 pm

2 stops7h 45m

$404

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/29

7:10 am-1:10 pm

2 stops9h 00m

Phoenix Sky Harbor Intl

Tue 11/3

1:35 am-12:15 pm

2 stops8h 40m

$424

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Wed 9/9

6:00 pm-9:29 pm

1 stop6h 29m

Phoenix Sky Harbor Intl

Mon 9/14

6:41 pm-9:57 am

2 stops12h 16m

$430

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/22

10:42 am-8:49 pm

2 stops13h 07m

Phoenix Sky Harbor Intl

Sat 10/24

11:52 pm-9:59 am

1 stop7h 07m

$444

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 12/10

4:10 pm-9:35 pm

1 stop7h 25m

Phoenix Sky Harbor Intl

Sun 12/13

8:50 am-8:30 pm

2 stops9h 40m

$451

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 9/25

7:10 am-11:55 am

2 stops7h 45m

Phoenix Sky Harbor Intl

Wed 9/30

5:45 am-4:30 pm

2 stops7h 45m

$478

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 9/17

7:10 am-11:55 am

2 stops7h 45m

Phoenix Sky Harbor Intl

Sat 9/19

12:35 am-12:25 pm

2 stops8h 50m

$493
Cheapest one-way

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Mon 7/13

8:19 pm-11:32 pm

1 stop6h 13m

$130
Quickest one-way

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 7/2

2:41 pm-3:30 pm

Nonstop3h 49m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

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 $62). Flying from Knoxville to Phoenix in November is currently the most expensive (average of $213). 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.

How much does it cost to fly round-trip from Knoxville to Phoenix?

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

Booking 34 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.

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 June 18, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air 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.

Entertainment

7.8

Overall

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Entertainment

7.8

Overall

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 5 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. Fly via Delta, Southwest, 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 $118. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $125 and $128, respectively. Allegiant Air is 64% 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?

    $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 $71 and $125, respectively.

  • What are the cheapest flights from Knoxville to Phoenix?

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Knoxville McGhee Tyson - Phoenix Sky Harbor Intl) can be booked for $205 on average, our data indicates $437 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 $62). Flying from Knoxville to Phoenix in November is currently the most expensive (average of $213). 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 5 airlines flying from Knoxville to Phoenix

Discover the top 5 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$118Average$266FlexibilityNo cancel feeOn-time88%
FrontierCheapest$125Average$327FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$229Average$457FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$406FlexibilityNo cancel feeOn-time71%

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