$110+ Cheap flights from Knoxville (TYS) to Sky Harbor Intl (PHX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Nov 29 — Dec 61
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 January, booked 36 days in advance, depart on a Friday 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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:58 pm -
Nonstop4h 15m
Fri 12/253:55 pm -
Nonstop3h 23m
Deal found 10/25![Allegiant Air logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:58 pm -
3 stops33h 29m
Fri 12/253:55 pm -
Nonstop3h 23m
Deal found 10/25![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:00 am -
2 stops38h 45m
Sun 12/65:03 pm -
Nonstop3h 29m
Deal found 10/26![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/910:09 pm -
1 stop17h 24m
Thu 11/124:30 pm -
Nonstop3h 36m
Deal found 10/27![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:58 pm -
Nonstop4h 15m
Thu 12/314:51 pm -
Nonstop3h 23m
Deal found 10/25![Allegiant Air logo]()
$269
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 11/267:10 am -
1 stop10h 08m
Thu 12/37:02 am -
1 stop9h 20m
Deal found 10/28![Delta logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:58 pm -
3 stops22h 43m
Fri 12/253:55 pm -
Nonstop3h 23m
Deal found 10/25![Multiple Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/265:45 am -
1 stop7h 48m
Thu 12/312:51 pm -
2 stops9h 08m
Deal found 10/27![United Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:58 pm -
3 stops33h 29m
Thu 12/314:51 pm -
Nonstop3h 23m
Deal found 10/25![Multiple Airlines logo]()
$285
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 October 30, 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 October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/29. 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 12/115:25 pm -
1 stop7h 45m
Wed 1/69:20 am -
2 stops7h 15m
Deal found 10/29![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 11/265:40 am -
2 stops13h 12m
Tue 12/11:39 pm -
1 stop6h 38m
Deal found 10/29![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/106:45 am -
2 stops8h 52m
Tue 11/172:50 pm -
1 stop5h 42m
Deal found 10/27![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 10/28. 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 11/206:30 pm -
1 stop7h 54m
Tue 11/246:00 am -
1 stop5h 55m
Deal found 10/28![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:05 am -
2 stops7h 35m
Sun 12/65:40 am -
2 stops7h 20m
Deal found 10/26![Southwest logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/266:00 am -
2 stops11h 20m
Tue 12/17:00 am -
2 stops13h 50m
Deal found 10/29![United Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:15 pm -
1 stop8h 25m
Sun 1/312:50 am -
1 stop9h 20m
Deal found 10/26![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 10/29. 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 11/267:50 am -
1 stop11h 05m
Mon 11/3012:45 pm -
2 stops7h 55m
Deal found 10/29![Southwest logo]()
$474
Last-minute flights from Knoxville to Sky Harbor IntlDiscover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated October 30, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/29. 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 11/51:39 pm -
Nonstop4h 01m
Thu 11/124:30 pm -
Nonstop3h 36m
Deal found 10/29![Allegiant Air logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/910:09 pm -
1 stop17h 24m
Thu 11/124:30 pm -
Nonstop3h 36m
Deal found 10/27![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/156:30 am -
1 stop28h 34m
Thu 11/197:32 pm -
1 stop15h 10m
Deal found 10/28![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1610:09 pm -
1 stop22h 17m
Thu 11/197:32 pm -
1 stop15h 10m
Deal found 10/28![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:30 am -
2 stops31h 15m
Thu 11/197:32 pm -
1 stop15h 10m
Deal found 10/26![Multiple Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/174:12 pm -
1 stop9h 08m
Wed 11/1812:30 am -
1 stop6h 19m
Deal found 10/26![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 10/27. 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 11/206:30 pm -
1 stop7h 54m
Tue 11/246:00 am -
1 stop5h 55m
Deal found 10/27![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 11/267:10 am -
1 stop10h 08m
Thu 12/37:02 am -
1 stop9h 20m
Deal found 10/28![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/265:45 am -
1 stop7h 48m
Thu 12/312:51 pm -
2 stops9h 08m
Deal found 10/28![United Airlines logo]()
$282
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Mon 11/302:50 pm -
Nonstop4h 11m
Sun 12/65:03 pm -
Nonstop3h 29m
Deal found 10/29![Allegiant Air logo]()
$298
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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/1610:09 pm -
1 stop17h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/156:30 am -
1 stop28h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 11/178:30 am -
2 stops31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$133
This Southwest deal was found by Cheapflights users on 10/27. 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.
Tue 11/174:15 pm -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:09 pm -
1 stop22h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:58 pm -
3 stops33h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$146
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Sun 12/131:58 pm -
Nonstop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Allegiant Air logo]()
$157
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $186 (Kiwi.com) |
One-way from | $110 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $324 |
Good round-trip deal | $331 or less |
Good one-way deal | $155 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 7,457,451 searches. Data last updated October 30, 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
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Tue 11/17
4:15 pm-9:45 pm
1 stop7h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$139
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Fri 12/11
5:10 pm-11:28 pm
1 stop8h 18m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Fri 11/20
6:30 pm-12:24 am
1 stop7h 54m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
Quickest round-trip
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Sun 11/15
12:29 pm-2:30 pm
Nonstop4h 01m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$161
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Tue 11/24
6:40 am-12:42 am
1 stop20h 02m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$163
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Mon 11/16
10:09 pm-6:02 pm
2 stops21h 53m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$163
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Fri 12/11
3:40 pm-11:10 pm
2 stops9h 30m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$164
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Thu 11/26
5:45 am-11:33 am
1 stop7h 48m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Sat 12/19
6:55 pm-11:43 pm
1 stop6h 48m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Fri 11/27
5:40 am-10:20 am
1 stop6h 40m
Phoenix Sky Harbor Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
Showing 1-10 of 19 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 $208). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $610). 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?
Airfare is below average for this route at the moment.
Knoxville to Phoenix Sky Harbor Intl Airport flights typically cost between $342 and $508 in January.The cheapest round-trip price found within the last 5 days was $186 on Allegiant Air (Jan 10-Jan 14).
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 October 30, 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.
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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
Buckeye
Payson
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Knoxville and Sky Harbor Intl flights
Browse other Knoxville and Sky Harbor Intl flight options. Last updated on October 30, 2026.
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Top 6 airlines flying from Knoxville to Sky Harbor Intl
Discover the top 6 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$324 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$304 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$148 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$284 | Average$431 | FlexibilityNo cancel fee | On-time71% |