$80+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Aug 24 — Aug 311
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 October, booked 36 days in advance, depart on a Thursday or Wednesday and return on a Monday
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 July 25, 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 July 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Sun 8/234:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/20![Allegiant Air logo]()
$145
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Thu 9/104:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Deal found 7/20![Allegiant Air logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 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 7/20![Allegiant Air logo]()
$163
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 8/63:01 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Sun 8/94:51 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 10/156:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Mon 10/199:11 am
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$182
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Sun 10/47:51 am
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 9/102:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Sun 9/134:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/146:29 pm
TYS
- PHX
2 stops31h 36m
Multiple Airlines
Sun 8/164:51 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/202:39 pm
TYS
- PHX
Nonstop3h 47m
Multiple Airlines
Wed 8/2610:09 pm
PHX
- TYS
2 stops41h 56m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$203
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 July 25, 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 July 25, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:33 am
TYS
- PHX
1 stop9h 21m
Delta
Mon 9/143:16 pm
PHX
- TYS
1 stop5h 39m
Delta
Deal found 7/23![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:10 pm
TYS
- PHX
1 stop8h 20m
Southwest
Wed 12/99:00 am
PHX
- TYS
2 stops8h 45m
Southwest
Deal found 7/23![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:00 am
TYS
- PHX
2 stops10h 54m
United Airlines
Mon 1/117:00 am
PHX
- TYS
1 stop8h 37m
United Airlines
Deal found 7/22![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
TYS
- PHX
2 stops7h 45m
Southwest
Wed 8/268:20 am
PHX
- TYS
2 stops7h 35m
Southwest
Deal found 7/20![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:30 pm
TYS
- PHX
1 stop8h 05m
Southwest
Sun 10/256:05 am
PHX
- TYS
1 stop6h 30m
Southwest
Deal found 7/23![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 7/22. 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 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
Tue 10/279:55 am
PHX
- TYS
2 stops11h 01m
United Airlines
Deal found 7/22![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/289:00 am
TYS
- PHX
1 stop6h 28m
United Airlines
Mon 8/311:34 pm
PHX
- TYS
1 stop5h 55m
United Airlines
Deal found 7/24![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:10 am
TYS
- PHX
2 stops11h 05m
Southwest
Mon 9/216:55 am
PHX
- TYS
2 stops8h 40m
Southwest
Deal found 7/21![Southwest logo]()
$430
Last-minute flights from Knoxville to Sky Harbor IntlDiscover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated July 25, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 8/63:01 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Sun 8/94:51 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/146:29 pm
TYS
- PHX
2 stops31h 36m
Multiple Airlines
Sun 8/164:51 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/175:54 pm
TYS
- PHX
1 stop21h 55m
Multiple Airlines
Thu 8/204:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/175:54 pm
TYS
- PHX
1 stop21h 55m
Multiple Airlines
Sun 8/234:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Sun 8/234:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/20![Allegiant Air logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/202:39 pm
TYS
- PHX
Nonstop3h 47m
Multiple Airlines
Wed 8/2610:09 pm
PHX
- TYS
2 stops41h 56m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Fri 8/211:26 pm
TYS
- PHX
1 stop26h 16m
Multiple Airlines
Sun 8/234:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$211
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 July 25, 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 July 25, 2026.
This Trip.com deal was found by Cheapflights users on 7/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Deal found 7/20![Allegiant Air logo]()
$80
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Deal found 7/21![Allegiant Air logo]()
$81
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair 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 7/21![Allegiant Air logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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.
Thu 10/291:52 pm
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 10/26:30 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 7/23![Allegiant Air logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/312:49 pm
TYS
- PHX
2 stops25h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
TYS
- PHX
1 stop19h 39m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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 11/121:39 pm
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 7/21![Allegiant Air logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/302:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$117
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 July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $145 (Cheapflightsfares) |
One-way from | $80 (Trip.com) |
Popular in | June |
Cheapest in | August |
Average price | $398 |
Good round-trip deal | $148 or less |
Good one-way deal | $251 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 July 25, 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 - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 9/9
7:33 am-1:54 pm
1 stop9h 21m
Phoenix Sky Harbor Intl
Mon 9/14
3:16 pm-11:55 pm
1 stop5h 39m
$311
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Mon 12/7
4:10 pm-10:30 pm
1 stop8h 20m
Phoenix Sky Harbor Intl
Wed 12/9
9:00 am-7:45 pm
2 stops8h 45m
$316
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 8/20
7:10 am-11:55 am
2 stops7h 45m
Phoenix Sky Harbor Intl
Wed 8/26
8:20 am-6:55 pm
2 stops7h 35m
$349
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sat 10/24
1:30 pm-6:35 pm
1 stop8h 05m
Phoenix Sky Harbor Intl
Sun 10/25
6:05 am-3:35 pm
1 stop6h 30m
$360
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 1/7
7:00 am-3:54 pm
2 stops10h 54m
Phoenix Sky Harbor Intl
Mon 1/11
7:00 am-5:37 pm
1 stop8h 37m
$416
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 10/22
10:42 am-8:49 pm
2 stops13h 07m
Phoenix Sky Harbor Intl
Tue 10/27
9:55 am-11:56 pm
2 stops11h 01m
$421
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 9/11
7:10 am-3:15 pm
2 stops11h 05m
Phoenix Sky Harbor Intl
Mon 9/21
6:55 am-6:35 pm
2 stops8h 40m
$430
Quickest round-trip
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 8/28
9:00 am-12:28 pm
1 stop6h 28m
Phoenix Sky Harbor Intl
Mon 8/31
1:34 pm-10:29 pm
1 stop5h 55m
$449
Cheapest one-way
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 11/12
5:30 am-10:29 am
1 stop6h 59m
$156
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sat 10/3
2:55 pm-7:10 pm
1 stop7h 15m
$156
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 July.
| 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 $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 $214 and $378 in August.The cheapest round-trip price found within the last 5 days was $145 on Allegiant Air (Aug 20-Aug 23).
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 July 25, 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.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
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
Buckeye
Goodyear
Surprise
Wickenburg
Paradise Valley
Peoria
Casa Grande
Chandler
Camp Verde
Globe
Payson
Fountain Hills
Guadalupe
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Top 6 airlines flying from Knoxville to Sky Harbor Intl
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$276 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$327 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$525 | FlexibilityNo cancel fee | On-time63% |