$98+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Jul 18 — Jul 251
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl 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 Sky Harbor Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to Sky Harbor IntlExplore 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 18, 2026.
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 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![Allegiant Air logo]()
$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![Allegiant Air logo]()
$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![Multiple Airlines logo]()
$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![Allegiant Air logo]()
$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![Multiple Airlines logo]()
$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![Allegiant Air logo]()
$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![Frontier logo]()
$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![Multiple Airlines logo]()
$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![Allegiant Air logo]()
$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![Multiple Airlines logo]()
$265
Best flights from Knoxville to Sky Harbor IntlDiscover carefully curated flight deals from Knoxville to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from Knoxville to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:41 pm
TYS
- PHX
1 stop6h 00m
Delta
Sun 8/233:00 pm
PHX
- TYS
1 stop5h 52m
Delta
Deal found 6/17![Delta logo]()
$399
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:50 pm
TYS
- PHX
2 stops11h 00m
Southwest
Tue 10/277:45 am
PHX
- TYS
2 stops7h 45m
Southwest
Deal found 6/17![Southwest logo]()
$404
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 pm
TYS
- PHX
1 stop6h 29m
United Airlines
Mon 9/146:41 pm
PHX
- TYS
2 stops12h 16m
United Airlines
Deal found 6/17![United Airlines logo]()
$430
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:10 am
TYS
- PHX
2 stops9h 00m
Southwest
Tue 11/31:35 am
PHX
- TYS
2 stops8h 40m
Southwest
Deal found 6/17![Southwest logo]()
$424
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:42 am
TYS
- PHX
2 stops13h 07m
United Airlines
Sat 10/2411:52 pm
PHX
- TYS
1 stop7h 07m
United Airlines
Deal found 6/17![United Airlines logo]()
$444
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:10 pm
TYS
- PHX
1 stop7h 25m
Southwest
Sun 12/138:50 am
PHX
- TYS
2 stops9h 40m
Southwest
Deal found 6/18![Southwest logo]()
$451
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:10 am
TYS
- PHX
2 stops7h 45m
Southwest
Wed 9/305:45 am
PHX
- TYS
2 stops7h 45m
Southwest
Deal found 6/13![Southwest logo]()
$478
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:10 am
TYS
- PHX
2 stops7h 45m
Southwest
Sat 9/1912:35 am
PHX
- TYS
2 stops8h 50m
Southwest
Deal found 6/14![Southwest logo]()
$493
Last-minute flights from Knoxville to Sky Harbor IntlDiscover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated June 18, 2026 and is based on user searches.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:19 pm
TYS
- PHX
1 stop28h 09m
Frontier
Tue 7/146:53 pm
PHX
- TYS
1 stop21h 31m
Frontier
Deal found 6/16![Frontier logo]()
$295
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/122:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Sun 7/194:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$314
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:53 pm
TYS
- PHX
2 stops37h 12m
Multiple Airlines
Fri 7/179:04 am
PHX
- TYS
1 stop10h 44m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$312
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![Allegiant Air logo]()
$249
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.
Thu 7/162:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Sun 7/264:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$284
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:19 pm
TYS
- PHX
1 stop22h 24m
Frontier
Sun 7/194:48 pm
PHX
- TYS
1 stop23h 36m
Frontier
Deal found 6/17![Frontier logo]()
$270
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:19 pm
TYS
- PHX
1 stop28h 09m
Frontier
Fri 7/246:40 am
PHX
- TYS
1 stop9h 44m
Frontier
Deal found 6/16![Frontier logo]()
$292
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![Allegiant Air logo]()
$254
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:00 am
TYS
- PHX
1 stop27h 40m
Multiple Airlines
Thu 8/65:01 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$287
One-way flights from Knoxville to Sky Harbor IntlSearch for one-way flight options from Knoxville to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
Search for one-way flight options from Knoxville to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
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 9/62:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$98
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.
Mon 7/1312:53 pm
TYS
- PHX
2 stops37h 12m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$114
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$122
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:19 pm
TYS
- PHX
1 stop22h 25m
Frontier
Deal found 6/18![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/13. 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.
Mon 7/138:19 pm
TYS
- PHX
1 stop6h 13m
Frontier
Deal found 6/13![Frontier logo]()
$130
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:39 pm
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$131
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.
Mon 8/105:54 pm
TYS
- PHX
2 stops32h 11m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$140
Find 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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Booking.com) |
One-way from | $98 (Cheapflightsfares) |
Popular in | June |
Cheapest in | August |
Average price | $532 |
Good round-trip deal | $310 or less |
Good one-way deal | $127 or less |
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 18, 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
Fly to
Route
Depart
Return
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
Showing 1-10 of 16 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Knoxville-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
TYS-PHX
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?
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 35 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 $189). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $532). 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 Sky Harbor Intl Airport?
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 18, 2026.
See what other customers who have flown with Delta,United Airlines, andAllegiant Air 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.
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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 locationsGlendale
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$266 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$327 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$406 | FlexibilityNo cancel fee | On-time71% |