$107+ Cheap flights from Phoenix to Knoxville (TYS)
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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Knoxville 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 Phoenix to Knoxville McGhee Tyson are usually found in February or November, booked 22 days in advance, depart on a Wednesday or Saturday and return on a Friday
Cheap flight deals from Phoenix to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Phoenix to KnoxvilleExplore the most affordable flight options available from Phoenix to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Phoenix to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Thu 12/35:03 pm -
Nonstop3h 29m
Thu 12/101:58 pm -
Nonstop4h 15m
Deal found 9/8![Allegiant Air logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Fri 10/166:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Mon 10/199:59 pm -
1 stop25h 16m
Deal found 9/10![Multiple Airlines logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Mon 10/197:20 am -
Nonstop4h 01m
Deal found 9/10![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Thu 10/156:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/119:59 pm -
1 stop13h 20m
Fri 11/131:29 pm -
1 stop11h 40m
Deal found 9/10![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/288:59 pm -
1 stop13h 12m
Sun 11/16:30 am -
1 stop16h 24m
Deal found 9/6![Multiple Airlines logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Fri 10/96:10 am -
Nonstop4h 01m
Deal found 9/6![Allegiant Air logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Sun 10/186:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$288
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 12/135:03 pm -
Nonstop3h 29m
Fri 12/2512:54 pm -
Nonstop4h 11m
Deal found 9/9![Allegiant Air logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/214:34 pm -
1 stop25h 05m
Mon 10/269:42 pm -
1 stop22h 44m
Deal found 9/9![Multiple Airlines logo]()
$296
Best flights from Phoenix to KnoxvilleDiscover carefully curated flight deals from Phoenix to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Phoenix to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 1/93:10 pm -
1 stop6h 55m
Sun 1/106:40 am -
1 stop7h 48m
Deal found 9/10![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/10. 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 1/95:55 am -
1 stop5h 40m
Sun 1/107:00 am -
2 stops8h 55m
Deal found 9/10![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/5. 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 10/176:00 am -
2 stops8h 55m
Tue 10/205:15 pm -
2 stops7h 25m
Deal found 9/5![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 9/10. 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 1/89:05 am -
2 stops7h 35m
Sun 1/107:00 am -
2 stops7h 35m
Deal found 9/10![Southwest logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/61:00 pm -
1 stop7h 32m
Thu 11/1210:43 am -
2 stops12h 42m
Deal found 9/7![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 9/6. 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 10/235:00 am -
1 stop13h 35m
Mon 10/267:25 pm -
1 stop7h 50m
Deal found 9/6![Southwest logo]()
$441
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/177:30 am -
2 stops10h 19m
Tue 10/2010:42 am -
1 stop9h 53m
Deal found 9/6![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 10/1011:52 pm -
1 stop6h 53m
Wed 10/1410:42 am -
2 stops13h 07m
Deal found 9/7![United Airlines logo]()
$499
This Southwest deal was found by Cheapflights users on 9/5. 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 10/35:50 am -
1 stop5h 25m
Sat 10/176:40 am -
2 stops8h 00m
Deal found 9/5![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/236:40 pm -
2 stops12h 05m
Sat 10/317:00 am -
2 stops10h 28m
Deal found 9/6![United Airlines logo]()
$499
Last-minute flights from Phoenix to KnoxvilleDiscover last-minute flight deals from Phoenix to Knoxville. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Knoxville. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/17:51 am -
Nonstop3h 27m
Fri 10/166:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Fri 10/166:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Mon 10/199:59 pm -
1 stop25h 16m
Deal found 9/10![Multiple Airlines logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Mon 10/197:20 am -
Nonstop4h 01m
Deal found 9/10![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Thu 10/156:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Fri 10/96:10 am -
Nonstop4h 01m
Deal found 9/6![Allegiant Air logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Sun 10/186:00 am -
Nonstop4h 01m
Deal found 9/5![Allegiant Air logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/199:11 am -
Nonstop3h 27m
Fri 10/2312:49 pm -
2 stops36h 24m
Deal found 9/6![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/214:34 pm -
1 stop25h 05m
Mon 10/269:42 pm -
1 stop22h 44m
Deal found 9/9![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/288:59 pm -
1 stop13h 12m
Sun 11/16:30 am -
1 stop16h 24m
Deal found 9/6![Multiple Airlines logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 10/293:43 pm -
Nonstop3h 27m
Sun 11/11:52 pm -
Nonstop4h 01m
Deal found 9/6![Allegiant Air logo]()
$304
One-way flights from Phoenix to KnoxvilleSearch for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This CheapOair deal was found by Cheapflights users on 9/9. 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 10/199:11 am -
Nonstop3h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Allegiant Air logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/33:38 pm -
Nonstop3h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Allegiant Air logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 9/7. 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 10/293:43 pm -
Nonstop3h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Allegiant Air logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 12/253:55 pm -
Nonstop3h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Allegiant Air logo]()
$136
This Super.com deal was found by Cheapflights users on 9/8. 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.
Sun 9/274:22 pm -
Nonstop3h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/305:51 pm -
Nonstop3h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Allegiant Air logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/308:39 pm -
1 stop23h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/33:21 pm -
1 stop18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sat 11/149:59 pm -
1 stop13h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/2810:10 pm -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/275:20 am -
2 stops8h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$165
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Sun 9/204:22 pm -
Nonstop3h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$169
Find flight deals from Phoenix to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Knoxville (TYS). 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 September 10, 2026.
Round-trip from | $158 (Kiwi.com) |
|---|---|
One-way from | $107 (CheapOair) |
Popular in | April |
Cheapest in | February |
Average price | $292 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix to Knoxville 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 September 10, 2026.
Use the filters below to find and compare flights from Phoenix to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 12/4
6:00 am-8:25 pm
1 stop12h 25m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$186
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 12/25
12:55 pm-12:15 am
2 stops9h 20m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 12/4
9:05 am-7:45 pm
2 stops8h 40m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$200
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Thu 10/29
12:00 pm-10:32 pm
1 stop7h 32m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$210
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 10/3
7:30 am-8:49 pm
2 stops10h 19m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 10/10
11:52 pm-9:45 am
1 stop6h 53m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
Quickest round-trip
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Wed 11/25
3:00 pm-10:12 pm
1 stop5h 12m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$240
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 11/27
12:50 am-12:15 pm
1 stop9h 25m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$247
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Wed 10/14
9:10 am-8:10 pm
2 stops8h 00m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$247
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 1/9
3:10 pm-12:05 am
1 stop6h 55m
Knoxville McGhee Tyson
Sun 1/10
6:40 am-12:28 pm
1 stop7h 48m
$359
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Phoenix to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Phoenix with our price prediction graph.
PH1-TYS
PHX-TYS
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 Phoenix to Knoxville
PH1-TYS
PHX-TYS
What is the cheapest month to book a flight from Phoenix to Knoxville?
Currently, February is the cheapest month in which you can book a flight from Phoenix to Knoxville (average of $245). Flying from Phoenix to Knoxville in April is currently the most expensive (average of $424). 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.
What is the cheapest time of day to fly from PHX to TYS?
Find hourly flight availability from Phoenix to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix to Knoxville as you normally would.
How much does it cost to fly round-trip from Phoenix to Knoxville?
Airfare is below average for this route at the moment.
Phoenix to Knoxville flights typically cost between $220 and $411 in January.The cheapest round-trip price found within the last 5 days was $158 on Allegiant Air (Jan 14-Jan 24).
How far ahead should I book a flight from Phoenix to Knoxville?
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated September 10, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Phoenix to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Phoenix to Knoxville. 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 Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
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Top 6 airlines flying from Phoenix to Knoxville
Discover the top 6 airlines that operate flights from Phoenix to Knoxville. 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$136 | Average$250 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$199 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$481 | FlexibilityNo cancel fee | On-time63% |