$98+ Cheap flights from Phoenix to Knoxville (TYS)
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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Sep 10 — Sep 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 September, booked 57 days in advance, depart on a Monday or Wednesday 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 August 11, 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 August 11, 2026.
This Gotogate deal was found by Cheapflights users on 8/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:43 pm -
Nonstop3h 27m
Sun 11/812:29 pm -
Nonstop4h 01m
Deal found 8/10![Allegiant Air logo]()
$135
This Mytrip deal was found by Cheapflights users on 8/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:30 pm -
Nonstop3h 36m
Sun 11/812:29 pm -
Nonstop4h 01m
Deal found 8/8![Allegiant Air logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/246:36 pm -
1 stop15h 35m
Thu 10/296:30 am -
1 stop28h 28m
Deal found 8/11![Multiple Airlines logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Sun 9/64:22 pm -
Nonstop3h 31m
Sun 9/132:34 pm -
Nonstop3h 58m
Deal found 8/7![Allegiant Air logo]()
$195
This Travelocity deal was found by Cheapflights users on 8/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:43 pm -
Nonstop3h 27m
Thu 10/291:52 pm -
Nonstop4h 01m
Deal found 8/11![Allegiant Air logo]()
$196
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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.
Thu 8/274:16 pm -
Nonstop3h 36m
Sun 8/302:39 pm -
Nonstop3h 47m
Deal found 8/10![Allegiant Air logo]()
$197
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Sun 9/64:22 pm -
Nonstop3h 31m
Thu 9/172:34 pm -
Nonstop3h 58m
Deal found 8/11![Allegiant Air logo]()
$198
This Mytrip deal was found by Cheapflights users on 8/7. 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 Mytrip 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 8/7![Allegiant Air logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sun 11/14:43 pm -
Nonstop3h 27m
Sun 11/86:30 am -
1 stop8h 07m
Deal found 8/10![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:30 pm -
Nonstop3h 36m
Thu 11/126:30 am -
1 stop28h 28m
Deal found 8/7![Multiple Airlines logo]()
$208
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 August 11, 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 August 11, 2026.
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:40 am -
2 stops7h 20m
Mon 11/165:15 pm -
1 stop8h 20m
Deal found 8/9![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 10/62:05 pm -
1 stop6h 54m
Tue 10/1310:42 am -
2 stops12h 42m
Deal found 8/6![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:20 am -
1 stop9h 30m
Mon 11/237:25 pm -
1 stop7h 50m
Deal found 8/9![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 8/11. 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 10/2412:35 am -
2 stops8h 35m
Thu 10/291:50 pm -
2 stops7h 20m
Deal found 8/11![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/1711:52 pm -
1 stop7h 01m
Tue 10/206:00 am -
2 stops11h 24m
Deal found 8/6![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 8/6. 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.
Thu 11/199:00 am -
2 stops8h 45m
Sun 11/227:25 pm -
1 stop7h 50m
Deal found 8/6![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:15 pm -
1 stop6h 30m
Thu 9/1010:45 am -
2 stops15h 14m
Deal found 8/9![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:15 am -
2 stops8h 25m
Sun 9/64:45 pm -
2 stops8h 20m
Deal found 8/7![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Wed 10/711:52 pm -
1 stop6h 53m
Sat 10/1710:42 am -
2 stops9h 32m
Deal found 8/8![United Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 11/78:00 am -
1 stop6h 59m
Tue 11/1011:25 am -
2 stops12h 12m
Deal found 8/8![United Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 8/10. 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.
Mon 10/1212:20 pm -
2 stops7h 20m
Thu 10/157:25 pm -
2 stops7h 00m
Deal found 8/10![Southwest logo]()
$508
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:45 am -
2 stops9h 50m
Thu 9/105:45 pm -
2 stops7h 15m
Deal found 8/9![Southwest logo]()
$508
Last-minute flights from Phoenix to KnoxvilleDiscover last-minute flight deals from Phoenix to Knoxville. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Knoxville. Data last updated August 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sun 8/164:51 pm -
Nonstop3h 36m
Fri 9/119:15 am -
1 stop10h 03m
Deal found 8/6![Multiple Airlines logo]()
$235
This CheapOair deal was found by Cheapflights users on 8/9. 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.
Thu 8/204:16 pm -
Nonstop3h 36m
Sun 8/232:39 pm -
Nonstop3h 47m
Deal found 8/9![Allegiant Air logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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.
Thu 8/274:16 pm -
Nonstop3h 36m
Sun 8/302:39 pm -
Nonstop3h 47m
Deal found 8/10![Allegiant Air logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 8/274:16 pm -
Nonstop3h 36m
Thu 9/107:00 am -
1 stop28h 00m
Deal found 8/9![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Thu 8/274:16 pm -
Nonstop3h 36m
Sun 8/307:00 am -
1 stop27h 40m
Deal found 8/10![Multiple Airlines logo]()
$226
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Sun 9/64:22 pm -
Nonstop3h 31m
Sun 9/132:34 pm -
Nonstop3h 58m
Deal found 8/7![Allegiant Air logo]()
$195
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Sun 9/64:22 pm -
Nonstop3h 31m
Thu 9/172:34 pm -
Nonstop3h 58m
Deal found 8/11![Allegiant Air logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:22 pm -
Nonstop3h 31m
Sun 9/137:00 am -
1 stop28h 00m
Deal found 8/7![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/64:22 pm -
Nonstop3h 31m
Thu 9/177:00 am -
1 stop19h 43m
Deal found 8/11![Multiple Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:59 pm -
1 stop6h 30m
Wed 9/236:30 am -
1 stop6h 55m
Deal found 8/10![Delta logo]()
$261
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 August 11, 2026.
Search for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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.
Thu 11/54:30 pm -
Nonstop3h 36m
Deal found 8/10![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/39:15 am -
1 stop24h 56m
Deal found 8/11![Multiple Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sun 10/253:43 pm -
Nonstop3h 27m
Deal found 8/10![Allegiant Air logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 8/11. 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
Deal found 8/11![Allegiant Air logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:22 pm -
Nonstop3h 31m
Deal found 8/7![Allegiant Air logo]()
$122
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/2611:37 pm -
1 stop8h 32m
Deal found 8/11![American Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/3010:40 pm -
2 stops36h 31m
Deal found 8/11![Multiple Airlines logo]()
$132
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:15 am -
1 stop5h 05m
Deal found 8/9![Southwest logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 9/204:22 pm -
Nonstop3h 31m
Deal found 8/9![Allegiant Air logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 9/34:22 pm -
Nonstop3h 31m
Deal found 8/7![Allegiant Air logo]()
$147
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 August 11, 2026.
Round-trip from | $135 (Gotogate) |
|---|---|
One-way from | $98 (Cheapflightsfares) |
Popular in | April |
Cheapest in | February |
Average price | $314 |
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 2,558,603 searches. Data last updated August 11, 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 11/13
5:40 am-3:00 pm
2 stops7h 20m
Knoxville McGhee Tyson
Mon 11/16
5:15 pm-11:35 pm
1 stop8h 20m
$307
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 11/20
5:20 am-4:50 pm
1 stop9h 30m
Knoxville McGhee Tyson
Mon 11/23
7:25 pm-1:15 am
1 stop7h 50m
$376
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 10/24
12:35 am-12:10 pm
2 stops8h 35m
Knoxville McGhee Tyson
Thu 10/29
1:50 pm-6:10 pm
2 stops7h 20m
$407
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Thu 11/19
9:00 am-7:45 pm
2 stops8h 45m
Knoxville McGhee Tyson
Sun 11/22
7:25 pm-1:15 am
1 stop7h 50m
$409
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 8/29
6:15 am-5:40 pm
2 stops8h 25m
Knoxville McGhee Tyson
Sun 9/6
4:45 pm-10:05 pm
2 stops8h 20m
$428
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Tue 10/6
2:05 pm-11:59 pm
1 stop6h 54m
Knoxville McGhee Tyson
Tue 10/13
10:42 am-8:24 pm
2 stops12h 42m
$454
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 10/17
11:52 pm-9:53 am
1 stop7h 01m
Knoxville McGhee Tyson
Tue 10/20
6:00 am-2:24 pm
2 stops11h 24m
$454
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 9/5
12:15 pm-9:45 pm
1 stop6h 30m
Knoxville McGhee Tyson
Thu 9/10
10:45 am-10:59 pm
2 stops15h 14m
$469
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Wed 10/7
11:52 pm-9:45 am
1 stop6h 53m
Knoxville McGhee Tyson
Sat 10/17
10:42 am-5:14 pm
2 stops9h 32m
$508
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 11/7
8:00 am-4:59 pm
1 stop6h 59m
Knoxville McGhee Tyson
Tue 11/10
11:25 am-9:37 pm
2 stops12h 12m
$508
Showing 1-10 of 22 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.
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 $179 and $411 in November.The cheapest round-trip price found within the last 5 days was $135 on Allegiant Air (Nov 1-Nov 8).
How far ahead should I book a flight from Phoenix to Knoxville?
Booking 54 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 August 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAllegiant Air 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.
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Phoenix to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$241 | 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$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$482 | FlexibilityNo cancel fee | On-time63% |