$83+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Sep 30 — Oct 71
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 Thursday 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 31, 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 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:30 pm -
Nonstop3h 36m
Sun 11/156:30 am -
1 stop28h 34m
Deal found 8/26![Multiple Airlines logo]()
$202
This CheapOair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:30 pm -
Nonstop3h 36m
Sun 11/1512:29 pm -
Nonstop4h 01m
Deal found 8/26![Allegiant Air logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares 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 8/28![Allegiant Air logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:15 am -
1 stop26h 56m
Sun 11/16:30 am -
1 stop28h 34m
Deal found 8/26![Multiple Airlines logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:03 pm -
Nonstop3h 29m
Sun 12/61:58 pm -
Nonstop4h 15m
Deal found 8/27![Allegiant Air logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/30![Allegiant Air logo]()
$243
This Kissandfly.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.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 10/46:00 am -
Nonstop4h 01m
Deal found 8/28![Allegiant Air logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:22 pm -
Nonstop3h 31m
Sun 10/46:00 am -
Nonstop4h 01m
Deal found 8/30![Allegiant Air logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/156:30 am -
1 stop28h 40m
Deal found 8/29![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:22 pm -
Nonstop3h 31m
Sun 9/137:00 am -
1 stop28h 00m
Deal found 8/27![Multiple Airlines logo]()
$273
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 31, 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 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:10 am -
1 stop6h 48m
Thu 9/109:00 am -
1 stop8h 57m
Deal found 8/26![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:15 am -
1 stop5h 05m
Tue 10/65:15 pm -
2 stops8h 05m
Deal found 8/29![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:25 pm -
1 stop8h 55m
Mon 11/96:07 pm -
1 stop7h 19m
Deal found 8/30![Delta logo]()
$479
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:40 am -
2 stops7h 20m
Sun 11/157:05 am -
2 stops7h 45m
Deal found 8/26![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/58:30 am -
1 stop6h 47m
Sat 9/124:50 pm -
1 stop6h 34m
Deal found 8/31![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:20 pm -
2 stops7h 20m
Mon 10/57:25 pm -
2 stops7h 00m
Deal found 8/27![Southwest logo]()
$443
This United Airlines deal was found by Cheapflights users on 8/31. 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 11/67:37 pm -
2 stops12h 30m
Thu 11/124:30 pm -
1 stop9h 29m
Deal found 8/31![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:37 pm -
2 stops12h 16m
Fri 11/63:45 pm -
1 stop8h 30m
Deal found 8/29![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am -
2 stops7h 40m
Sun 10/256:25 am -
2 stops8h 00m
Deal found 8/30![Southwest logo]()
$485
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sun 10/1111:52 pm -
1 stop6h 53m
Fri 10/1610:42 am -
2 stops13h 07m
Deal found 8/31![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:32 am -
1 stop7h 57m
Sun 9/67:00 am -
1 stop7h 08m
Deal found 8/27![United Airlines logo]()
$504
Last-minute flights from Phoenix to KnoxvilleDiscover last-minute flight deals from Phoenix to Knoxville. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Knoxville. Data last updated August 31, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:22 pm -
Nonstop3h 31m
Sun 9/62:34 pm -
Nonstop3h 58m
Deal found 8/26![Allegiant Air logo]()
$322
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:10 am -
1 stop6h 48m
Thu 9/109:00 am -
1 stop8h 57m
Deal found 8/26![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am -
1 stop5h 05m
Sat 9/126:50 am -
2 stops6h 45m
Deal found 8/27![Southwest logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:22 pm -
Nonstop3h 31m
Sun 9/132:34 pm -
Nonstop3h 58m
Deal found 8/27![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:22 pm -
Nonstop3h 31m
Sun 9/137:00 am -
1 stop28h 00m
Deal found 8/27![Multiple Airlines logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:22 pm -
Nonstop3h 31m
Thu 9/172:34 pm -
Nonstop3h 58m
Deal found 8/29![Allegiant Air logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:22 pm -
Nonstop3h 31m
Sun 10/46:00 am -
Nonstop4h 01m
Deal found 8/30![Allegiant Air logo]()
$254
This Mytrip deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:22 pm -
Nonstop3h 31m
Thu 10/16:00 am -
Nonstop4h 01m
Deal found 8/27![Allegiant Air logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:04 pm -
2 stops46h 00m
Thu 10/16:00 am -
Nonstop4h 01m
Deal found 8/27![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:56 pm -
1 stop13h 48m
Sat 10/31:47 pm -
Nonstop4h 01m
Deal found 8/29![Multiple Airlines logo]()
$301
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:22 pm -
Nonstop3h 31m
Fri 10/26:30 am -
Nonstop4h 01m
Deal found 8/30![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 August 31, 2026.
Search for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Travelocity deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/141:21 pm -
Nonstop3h 21m
Deal found 8/27![Allegiant Air logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/241:21 pm -
Nonstop3h 21m
Deal found 8/27![Allegiant Air logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:27 am -
1 stop9h 47m
Deal found 8/26![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:24 pm -
1 stop22h 50m
Deal found 8/27![Multiple Airlines logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:51 am -
Nonstop3h 27m
Deal found 8/30![Allegiant Air logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:22 pm -
Nonstop3h 31m
Deal found 8/28![Allegiant Air logo]()
$138
This Super.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.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 8/27![Allegiant Air logo]()
$144
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 31, 2026.
Round-trip from | $202 (Kiwi.com) |
|---|---|
One-way from | $83 (Travelocity) |
Popular in | April |
Cheapest in | February |
Average price | $338 |
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 August 31, 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
Wed 9/9
7:10 am-4:58 pm
1 stop6h 48m
Knoxville McGhee Tyson
Thu 9/10
9:00 am-2:57 pm
1 stop8h 57m
$319
Quickest round-trip
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Tue 9/29
6:15 am-2:20 pm
1 stop5h 05m
Knoxville McGhee Tyson
Tue 10/6
5:15 pm-10:20 pm
2 stops8h 05m
$384
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Thu 11/12
5:40 am-3:00 pm
2 stops7h 20m
Knoxville McGhee Tyson
Sun 11/15
7:05 am-12:50 pm
2 stops7h 45m
$434
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 10/2
12:20 pm-10:40 pm
2 stops7h 20m
Knoxville McGhee Tyson
Mon 10/5
7:25 pm-11:25 pm
2 stops7h 00m
$443
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sat 9/5
8:30 am-6:17 pm
1 stop6h 47m
Knoxville McGhee Tyson
Sat 9/12
4:50 pm-8:24 pm
1 stop6h 34m
$449
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Thu 11/5
11:25 pm-10:20 am
1 stop8h 55m
Knoxville McGhee Tyson
Mon 11/9
6:07 pm-11:26 pm
1 stop7h 19m
$479
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Fri 11/6
7:37 pm-10:07 am
2 stops12h 30m
Knoxville McGhee Tyson
Thu 11/12
4:30 pm-11:59 pm
1 stop9h 29m
$484
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Mon 11/2
7:37 pm-9:53 am
2 stops12h 16m
Knoxville McGhee Tyson
Fri 11/6
3:45 pm-10:15 pm
1 stop8h 30m
$484
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Wed 10/21
10:25 am-9:05 pm
2 stops7h 40m
Knoxville McGhee Tyson
Sun 10/25
6:25 am-11:25 am
2 stops8h 00m
$485
PhoenixKnoxville
PHX Phoenix Sky Harbor Intl - TYS Knoxville McGhee Tyson
PHXTYS
Phoenix Sky Harbor Intl
Sun 10/11
11:52 pm-9:45 am
1 stop6h 53m
Knoxville McGhee Tyson
Fri 10/16
10:42 am-8:49 pm
2 stops13h 07m
$499
Showing 1-10 of 21 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 $220 and $441 in October.The cheapest round-trip price found within the last 5 days was $214 on Allegiant Air (Oct 3-Oct 15).
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 August 31, 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.
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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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Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Phoenix and Knoxville flights
Browse other Phoenix and Knoxville flight options. Last updated on August 31, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$246 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$199 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$318 | Average$482 | FlexibilityNo cancel fee | On-time63% |