$92+ 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
Jun 24 — Jul 11
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 May 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 May 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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 9/32:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Thu 9/104:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
Sun 10/186:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Sun 10/253:43 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:20 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Sun 10/253:43 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:20 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Thu 10/293:43 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$226
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 7/162:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Sun 7/194:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:20 am
TYS
- PHX
Nonstop4h 01m
Multiple Airlines
Wed 10/2810:40 pm
PHX
- TYS
1 stop18h 59m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Thu 7/234:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/24![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 10/221:52 pm
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Sun 10/253:43 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$256
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 7/162:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Thu 7/234:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 10/221:52 pm
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Thu 10/293:43 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/23![Allegiant Air logo]()
$265
This Mytrip deal was found by Cheapflights users on 5/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:39 pm
TYS
- PHX
Nonstop3h 47m
Multiple Airlines
Tue 9/14:29 pm
PHX
- TYS
1 stop24h 08m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$267
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 May 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 May 25, 2026.
This Delta deal was found by Cheapflights users on 5/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:30 am
TYS
- PHX
1 stop9h 27m
Delta
Mon 9/1411:55 pm
PHX
- TYS
1 stop8h 10m
Delta
Deal found 5/22![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 5/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:10 am
TYS
- PHX
2 stops8h 55m
Southwest
Tue 9/18:20 am
PHX
- TYS
2 stops7h 35m
Southwest
Deal found 5/22![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 9/96:00 pm
TYS
- PHX
1 stop7h 22m
United Airlines
Mon 9/146:41 pm
PHX
- TYS
2 stops12h 16m
United Airlines
Deal found 5/22![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 5/23. 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 10/2111:30 am
TYS
- PHX
1 stop9h 28m
Delta
Sat 10/2411:55 pm
PHX
- TYS
1 stop6h 17m
Delta
Deal found 5/23![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:20 pm
TYS
- PHX
1 stop7h 55m
Southwest
Fri 10/309:00 am
PHX
- TYS
1 stop6h 40m
Southwest
Deal found 5/24![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 5/20. 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.
Sat 9/56:50 am
TYS
- PHX
2 stops6h 45m
Southwest
Sun 9/135:40 am
PHX
- TYS
1 stop5h 20m
Southwest
Deal found 5/20![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 5/22. 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 8/273:40 pm
TYS
- PHX
2 stops9h 29m
United Airlines
Tue 9/111:32 am
PHX
- TYS
1 stop7h 57m
United Airlines
Deal found 5/22![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 5/23. 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.
Thu 9/242:05 pm
TYS
- PHX
1 stop7h 50m
Southwest
Sun 9/279:10 pm
PHX
- TYS
2 stops13h 15m
Southwest
Deal found 5/23![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 5/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:40 am
TYS
- PHX
2 stops9h 35m
Southwest
Fri 8/77:55 am
PHX
- TYS
2 stops7h 40m
Southwest
Deal found 5/22![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:25 am
TYS
- PHX
2 stops7h 50m
Southwest
Fri 10/309:00 am
PHX
- TYS
1 stop6h 40m
Southwest
Deal found 5/25![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 5/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:25 am
TYS
- PHX
2 stops7h 50m
Southwest
Sun 10/2510:45 pm
PHX
- TYS
2 stops13h 35m
Southwest
Deal found 5/25![Southwest logo]()
$454
Last-minute flights from Knoxville to Sky Harbor IntlDiscover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated May 25, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 5/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:49 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Sun 5/314:49 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/24![Allegiant Air logo]()
$369
This CheapOair deal was found by Cheapflights users on 5/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:32 pm
TYS
- PHX
1 stop14h 13m
Frontier
Sun 6/144:43 pm
PHX
- TYS
1 stop23h 54m
Frontier
Deal found 5/25![Frontier logo]()
$374
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:32 pm
TYS
- PHX
1 stop16h 49m
Frontier
Fri 6/198:40 am
PHX
- TYS
1 stop7h 57m
Frontier
Deal found 5/22![Frontier logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Wed 6/178:32 pm
TYS
- PHX
1 stop14h 13m
Multiple Airlines
Wed 6/2410:32 pm
PHX
- TYS
2 stops34h 27m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$366
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:32 pm
TYS
- PHX
1 stop22h 16m
Frontier
Mon 6/226:40 am
PHX
- TYS
1 stop9h 57m
Frontier
Deal found 5/22![Frontier logo]()
$315
This Gotogate deal was found by Cheapflights users on 5/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/252:42 pm
TYS
- PHX
Nonstop3h 48m
Multiple Airlines
Sun 6/286:53 pm
PHX
- TYS
1 stop21h 44m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$336
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 6/252:42 pm
TYS
- PHX
Nonstop3h 48m
Allegiant Air
Sun 6/284:20 pm
PHX
- TYS
Nonstop3h 32m
Allegiant Air
Deal found 5/21![Allegiant Air logo]()
$348
This CheapOair deal was found by Cheapflights users on 5/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:32 pm
TYS
- PHX
1 stop22h 16m
Frontier
Mon 6/296:40 am
PHX
- TYS
1 stop9h 57m
Frontier
Deal found 5/24![Frontier logo]()
$305
This Gotogate deal was found by Cheapflights users on 5/20. 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.
Sun 6/282:42 pm
TYS
- PHX
Nonstop3h 48m
Multiple Airlines
Sun 7/56:53 pm
PHX
- TYS
1 stop21h 43m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$324
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 May 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 May 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 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 5/24![Allegiant Air logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 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 5/24![Allegiant Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Mon 8/2412:54 pm
TYS
- PHX
1 stop25h 30m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$127
This Expedia deal was found by Cheapflights users on 5/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:19 pm
TYS
- PHX
1 stop16h 52m
Frontier
Deal found 5/20![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 5/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:19 pm
TYS
- PHX
1 stop22h 24m
Frontier
Deal found 5/24![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:19 pm
TYS
- PHX
1 stop16h 52m
Frontier
Deal found 5/22![Frontier logo]()
$151
This Expedia deal was found by Cheapflights users on 5/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:27 pm
TYS
- PHX
1 stop27h 35m
Frontier
Deal found 5/21![Frontier logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 5/22![Allegiant Air logo]()
$172
This Delta deal was found by Cheapflights users on 5/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:35 am
TYS
- PHX
1 stop7h 28m
Delta
Deal found 5/22![Delta logo]()
$175
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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $173 (Cheapflightsfares) |
One-way from | $92 (Cheapflightsfares) |
Popular in | June |
Cheapest in | August |
Average price | $401 |
Good round-trip deal | $237 or less |
Good one-way deal | $130 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 May 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
7:30 am-1:57 pm
1 stop9h 27m
Phoenix Sky Harbor Intl
Mon 9/14
11:55 pm-11:05 am
1 stop8h 10m
$352
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 10/21
11:30 am-5:58 pm
1 stop9h 28m
Phoenix Sky Harbor Intl
Sat 10/24
11:55 pm-9:12 am
1 stop6h 17m
$358
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 8/27
7:10 am-1:05 pm
2 stops8h 55m
Phoenix Sky Harbor Intl
Tue 9/1
8:20 am-6:55 pm
2 stops7h 35m
$362
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Mon 10/26
7:20 pm-12:15 am
1 stop7h 55m
Phoenix Sky Harbor Intl
Fri 10/30
9:00 am-6:40 pm
1 stop6h 40m
$383
Quickest round-trip
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sat 9/5
6:50 am-10:35 am
2 stops6h 45m
Phoenix Sky Harbor Intl
Sun 9/13
5:40 am-2:00 pm
1 stop5h 20m
$403
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 9/24
2:05 pm-6:55 pm
1 stop7h 50m
Phoenix Sky Harbor Intl
Sun 9/27
9:10 pm-1:25 pm
2 stops13h 15m
$410
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 7/31
6:40 am-1:15 pm
2 stops9h 35m
Phoenix Sky Harbor Intl
Fri 8/7
7:55 am-6:35 pm
2 stops7h 40m
$424
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sun 10/25
6:25 am-11:15 am
2 stops7h 50m
Phoenix Sky Harbor Intl
Fri 10/30
9:00 am-6:40 pm
1 stop6h 40m
$443
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sun 10/25
6:25 am-11:15 am
2 stops7h 50m
Phoenix Sky Harbor Intl
Sun 10/25
10:45 pm-3:20 pm
2 stops13h 35m
$454
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 9/9
6:00 pm-10:22 pm
1 stop7h 22m
Phoenix Sky Harbor Intl
Mon 9/14
6:41 pm-9:57 am
2 stops12h 16m
$457
Showing 1-10 of 22 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 May.
| 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 $499). 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 May 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.
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
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
Goodyear
Paradise Valley
Buckeye
Peoria
Chandler
Payson
Casa Grande
Camp Verde
Globe
Surprise
Guadalupe
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Knoxville and Sky Harbor Intl flights
Browse other Knoxville and Sky Harbor Intl flight options. Last updated on May 25, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
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Other flights to Sky Harbor Intl
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
Top 5 airlines flying from Knoxville to Sky Harbor Intl
Discover the top 5 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 2,558,603 searches. Data last updated May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$253 | 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$260 | Average$402 | FlexibilityNo cancel fee | On-time71% |