$93+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Jul 4 — Jul 111
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 January, booked 73 days in advance, depart on a Wednesday or Monday and return on a Thursday
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 June 4, 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 June 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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.
Thu 8/135:01 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/162:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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.
Thu 8/204:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/232:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 6/3. 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 8/24:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 8/63:01 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:01 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Mon 8/172:47 pm
TYS
- PHX
1 stop23h 37m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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 7/234:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 7/302:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/194:29 pm
PHX
- TYS
1 stop18h 20m
Multiple Airlines
Sun 8/232:39 pm
TYS
- PHX
Nonstop3h 47m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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 10/103:37 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Sun 10/186:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/196:53 pm
PHX
- TYS
1 stop15h 56m
Multiple Airlines
Mon 8/2412:54 pm
TYS
- PHX
1 stop25h 30m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$218
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 June 4, 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 June 4, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/1711:55 pm
PHX
- TYS
1 stop6h 17m
Delta
Tue 10/205:15 pm
TYS
- PHX
1 stop8h 07m
Delta
Deal found 6/3![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/266:55 pm
PHX
- TYS
2 stops12h 42m
United Airlines
Wed 9/27:00 am
TYS
- PHX
1 stop7h 08m
United Airlines
Deal found 6/1![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 6/1. 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 7/3010:05 am
PHX
- TYS
2 stops8h 10m
Southwest
Mon 8/36:40 am
TYS
- PHX
2 stops9h 35m
Southwest
Deal found 6/1![Southwest logo]()
$468
This Delta deal was found by Cheapflights users on 6/2. 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 7/2211:04 pm
PHX
- TYS
1 stop8h 18m
Delta
Mon 7/275:40 am
TYS
- PHX
1 stop6h 21m
Delta
Deal found 6/2![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 5/30. 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.
Tue 8/1111:45 am
PHX
- TYS
1 stop6h 49m
Delta
Fri 8/145:45 am
TYS
- PHX
1 stop6h 21m
Delta
Deal found 5/30![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 5/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:04 pm
PHX
- TYS
1 stop8h 18m
Delta
Thu 7/3011:41 am
TYS
- PHX
1 stop9h 14m
Delta
Deal found 5/31![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/2. 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 8/118:30 am
PHX
- TYS
1 stop6h 47m
United Airlines
Tue 8/187:00 am
TYS
- PHX
2 stops10h 54m
United Airlines
Deal found 6/2![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/1. 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
PHX
- TYS
1 stop6h 53m
United Airlines
Sat 10/1710:42 am
TYS
- PHX
2 stops15h 24m
United Airlines
Deal found 6/1![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 6/3. 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 11/2611:00 am
PHX
- TYS
1 stop7h 40m
Delta
Sat 11/285:30 am
TYS
- PHX
1 stop6h 59m
Delta
Deal found 6/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 5/31. 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 11/78:50 pm
PHX
- TYS
2 stops11h 09m
United Airlines
Wed 11/112:00 pm
TYS
- PHX
2 stops13h 04m
United Airlines
Deal found 5/31![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/1. 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 10/176:41 pm
PHX
- TYS
2 stops12h 04m
United Airlines
Tue 10/2010:42 am
TYS
- PHX
2 stops9h 25m
United Airlines
Deal found 6/1![United Airlines logo]()
$472
Last-minute flights from Phoenix to KnoxvilleDiscover last-minute flight deals from Phoenix to Knoxville. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Knoxville. Data last updated June 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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 7/54:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 7/262:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$254
This CheapOair deal was found by Cheapflights users on 6/4. 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 7/96:53 pm
PHX
- TYS
1 stop21h 31m
Frontier
Mon 7/138:19 pm
TYS
- PHX
1 stop22h 24m
Frontier
Deal found 6/4![Frontier logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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.
Thu 7/164:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 7/192:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$266
This Booking.com deal was found by Cheapflights users on 6/2. 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 7/164:20 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Mon 7/208:19 pm
TYS
- PHX
1 stop16h 52m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/194:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 7/262:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/3![Allegiant Air logo]()
$256
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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 7/234:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 7/302:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 6/1. 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 7/304:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 8/63:01 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 6/1![Allegiant Air logo]()
$243
This Cheapflightsfares deal was found by Cheapflights users on 6/1. 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 7/304:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/22:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/1![Allegiant Air logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 7/304:20 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Mon 8/36:30 am
TYS
- PHX
3 stops36h 01m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$278
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 June 4, 2026.
Search for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:30 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/30![Allegiant Air logo]()
$117
This Frontier deal was found by Cheapflights users on 6/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:40 am
PHX
- TYS
1 stop9h 44m
Frontier
Deal found 6/2![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:32 pm
PHX
- TYS
2 stops34h 27m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/89:58 pm
PHX
- TYS
2 stops35h 05m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$154
This Frontier deal was found by Cheapflights users on 6/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:40 am
PHX
- TYS
1 stop7h 44m
Frontier
Deal found 6/2![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Tue 10/61:45 pm
PHX
- TYS
2 stops44h 26m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$156
This Booking.com deal was found by Cheapflights users on 6/2. 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.
Tue 6/234:53 pm
PHX
- TYS
1 stop23h 44m
Frontier
Deal found 6/2![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 6/2. 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
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$158
This CheapOair deal was found by Cheapflights users on 5/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:53 pm
PHX
- TYS
1 stop21h 31m
Frontier
Deal found 5/30![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/94:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 6/2![Allegiant Air logo]()
$171
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 June 4, 2026.
Round-trip from | $144 (Cheapflightsfares) |
|---|---|
One-way from | $93 (Kiwi.com) |
Popular in | April |
Cheapest in | February |
Average price | $378 |
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 June 4, 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 - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sat 10/17
11:55 pm-9:12 am
1 stop6h 17m
Knoxville McGhee Tyson
Tue 10/20
5:15 pm-10:22 pm
1 stop8h 07m
$362
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 7/22
11:04 pm-10:22 am
1 stop8h 18m
Knoxville McGhee Tyson
Mon 7/27
5:40 am-9:01 am
1 stop6h 21m
$374
Quickest round-trip
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Tue 8/11
11:45 am-9:34 pm
1 stop6h 49m
Knoxville McGhee Tyson
Fri 8/14
5:45 am-9:06 am
1 stop6h 21m
$374
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Tue 7/14
11:04 pm-10:22 am
1 stop8h 18m
Knoxville McGhee Tyson
Thu 7/30
11:41 am-5:55 pm
1 stop9h 14m
$374
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 11/26
11:00 am-8:40 pm
1 stop7h 40m
Knoxville McGhee Tyson
Sat 11/28
5:30 am-10:29 am
1 stop6h 59m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 8/26
6:55 pm-10:37 am
2 stops12h 42m
Knoxville McGhee Tyson
Wed 9/2
7:00 am-11:08 am
1 stop7h 08m
$442
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Tue 8/11
8:30 am-6:17 pm
1 stop6h 47m
Knoxville McGhee Tyson
Tue 8/18
7:00 am-2:54 pm
2 stops10h 54m
$454
PhoenixKnoxville
PHX - TYS
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-11:06 pm
2 stops15h 24m
$467
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 7/30
10:05 am-9:15 pm
2 stops8h 10m
Knoxville McGhee Tyson
Mon 8/3
6:40 am-1:15 pm
2 stops9h 35m
$468
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sat 11/7
8:50 pm-9:59 am
2 stops11h 09m
Knoxville McGhee Tyson
Wed 11/11
2:00 pm-1:04 am
2 stops13h 04m
$472
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, September is the cheapest month in which you can book a flight from Phoenix to Knoxville (average of $63). Flying from Phoenix to Knoxville in March is currently the most expensive (average of $190). 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?
How far ahead should I book a flight from Phoenix to Knoxville?
Booking 72 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 June 4, 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.
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
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 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
Alcoa
Oak Ridge
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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 June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$115 | Average$246 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$199 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$481 | FlexibilityNo cancel fee | On-time63% |