$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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Jun 3 — Jun 101
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 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 May 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 May 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 8/135:01 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/162:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 8/274:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 9/32:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 8/304:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 9/32:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$185
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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.
Sun 7/194:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 7/232:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 8/304:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Wed 9/28:32 pm
TYS
- PHX
1 stop14h 13m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$226
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:15 am
PHX
- TYS
1 stop11h 09m
Frontier
Fri 5/298:19 pm
TYS
- PHX
1 stop6h 10m
Frontier
Deal found 5/1![Frontier logo]()
$230
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 9/104:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Sun 9/132:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 8/304:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Mon 9/71:17 pm
TYS
- PHX
1 stop25h 07m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 9/34:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Sun 9/62:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 10/17:51 am
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Thu 10/86:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 8/304:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Sun 9/67:00 am
TYS
- PHX
1 stop16h 49m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 8/294:19 pm
PHX
- TYS
1 stop18h 30m
Multiple Airlines
Sun 9/62:34 pm
TYS
- PHX
Nonstop3h 58m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$247
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 May 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 May 4, 2026.
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:28 pm
PHX
- TYS
1 stop6h 06m
United Airlines
Sat 8/16:00 am
TYS
- PHX
1 stop8h 03m
United Airlines
Deal found 5/3![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:57 pm
PHX
- TYS
1 stop8h 23m
Delta
Mon 7/273:54 pm
TYS
- PHX
1 stop8h 40m
Delta
Deal found 5/1![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 4/29. 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.
Wed 7/19:05 am
PHX
- TYS
2 stops9h 10m
Southwest
Wed 7/86:55 pm
TYS
- PHX
1 stop7h 15m
Southwest
Deal found 4/29![Southwest logo]()
$484
This Delta deal was found by Cheapflights users on 5/3. 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 8/201:20 pm
PHX
- TYS
1 stop7h 32m
Delta
Mon 8/246:30 am
TYS
- PHX
1 stop7h 22m
Delta
Deal found 5/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:00 am
PHX
- TYS
2 stops11h 38m
United Airlines
Tue 8/185:57 pm
TYS
- PHX
1 stop7h 01m
United Airlines
Deal found 4/30![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 7/225:45 am
PHX
- TYS
1 stop6h 03m
Delta
Mon 7/275:40 am
TYS
- PHX
1 stop6h 21m
Delta
Deal found 5/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:59 pm
PHX
- TYS
2 stops12h 37m
United Airlines
Wed 9/25:57 pm
TYS
- PHX
1 stop7h 01m
United Airlines
Deal found 5/3![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/2. 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.
Sat 8/2911:58 am
PHX
- TYS
1 stop8h 02m
Delta
Sat 9/54:00 pm
TYS
- PHX
1 stop7h 29m
Delta
Deal found 5/2![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:25 am
PHX
- TYS
2 stops7h 55m
Southwest
Sun 7/127:00 pm
TYS
- PHX
2 stops8h 10m
Southwest
Deal found 5/3![Southwest logo]()
$486
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:55 pm
PHX
- TYS
1 stop8h 15m
Delta
Sat 9/194:00 pm
TYS
- PHX
1 stop7h 29m
Delta
Deal found 4/29![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:30 am
PHX
- TYS
2 stops10h 00m
Southwest
Sat 6/61:35 pm
TYS
- PHX
2 stops11h 00m
Southwest
Deal found 5/2![Southwest logo]()
$507
This Delta deal was found by Cheapflights users on 5/2. 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.
Mon 8/316:25 am
PHX
- TYS
1 stop7h 09m
Delta
Tue 9/85:30 am
TYS
- PHX
1 stop20h 17m
Delta
Deal found 5/2![Delta logo]()
$452
Last-minute flights from Phoenix to KnoxvilleDiscover last-minute flight deals from Phoenix to Knoxville. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Knoxville. Data last updated May 4, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:15 am
PHX
- TYS
1 stop11h 18m
Frontier
Fri 5/228:19 pm
TYS
- PHX
1 stop16h 46m
Frontier
Deal found 5/3![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/2010:27 pm
PHX
- TYS
2 stops12h 32m
Multiple Airlines
Fri 5/298:19 pm
TYS
- PHX
1 stop14h 25m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$321
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:15 am
PHX
- TYS
1 stop11h 09m
Frontier
Mon 5/258:19 pm
TYS
- PHX
1 stop22h 04m
Frontier
Deal found 4/30![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:15 am
PHX
- TYS
1 stop11h 09m
Frontier
Fri 5/298:19 pm
TYS
- PHX
1 stop6h 10m
Frontier
Deal found 5/1![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Wed 5/279:05 am
PHX
- TYS
2 stops25h 54m
Multiple Airlines
Fri 5/298:19 pm
TYS
- PHX
1 stop14h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:10 am
PHX
- TYS
1 stop8h 33m
American Airlines
Wed 6/35:00 am
TYS
- PHX
1 stop9h 13m
American Airlines
Deal found 4/29![American Airlines logo]()
$329
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 May 4, 2026.
Search for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Trip.com deal was found by Cheapflights users on 5/2. 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 Trip.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 5/2![Frontier logo]()
$98
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 am
PHX
- TYS
1 stop11h 18m
Frontier
Deal found 5/1![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sun 6/214:20 pm
PHX
- TYS
Nonstop3h 32m
Allegiant Air
Deal found 4/29![Allegiant Air logo]()
$126
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:51 pm
PHX
- TYS
1 stop16h 08m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 7/94:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$136
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:15 am
PHX
- TYS
1 stop11h 18m
Frontier
Deal found 5/3![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 4/30![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/2610:27 pm
PHX
- TYS
2 stops43h 02m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 5/2811:30 pm
PHX
- TYS
2 stops14h 10m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$149
This Frontier deal was found by Cheapflights users on 5/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:15 am
PHX
- TYS
1 stop11h 09m
Frontier
Deal found 5/1![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/289:05 am
PHX
- TYS
2 stops31h 19m
Frontier
Deal found 4/30![Frontier logo]()
$153
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 May 4, 2026.
Round-trip from | $123 (Cheapflightsfares) |
|---|---|
One-way from | $98 (Trip.com) |
Popular in | April |
Cheapest in | February |
Average price | $363 |
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 May 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 7/25
1:28 pm-10:34 pm
1 stop6h 06m
Knoxville McGhee Tyson
Sat 8/1
6:00 am-11:03 am
1 stop8h 03m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 7/23
10:57 pm-10:20 am
1 stop8h 23m
Knoxville McGhee Tyson
Mon 7/27
3:54 pm-9:34 pm
1 stop8h 40m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 8/20
1:20 pm-11:52 pm
1 stop7h 32m
Knoxville McGhee Tyson
Mon 8/24
6:30 am-10:52 am
1 stop7h 22m
$399
Quickest round-trip
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 7/22
5:45 am-2:48 pm
1 stop6h 03m
Knoxville McGhee Tyson
Mon 7/27
5:40 am-9:01 am
1 stop6h 21m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sat 8/29
11:58 am-11:00 pm
1 stop8h 02m
Knoxville McGhee Tyson
Sat 9/5
4:00 pm-8:29 pm
1 stop7h 29m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sun 9/13
10:55 pm-10:10 am
1 stop8h 15m
Knoxville McGhee Tyson
Sat 9/19
4:00 pm-8:29 pm
1 stop7h 29m
$419
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Tue 8/11
8:00 am-10:38 pm
2 stops11h 38m
Knoxville McGhee Tyson
Tue 8/18
5:57 pm-9:58 pm
1 stop7h 01m
$434
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 8/26
6:59 pm-10:36 am
2 stops12h 37m
Knoxville McGhee Tyson
Wed 9/2
5:57 pm-9:58 pm
1 stop7h 01m
$434
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Mon 8/31
6:25 am-4:34 pm
1 stop7h 09m
Knoxville McGhee Tyson
Tue 9/8
5:30 am-10:47 pm
1 stop20h 17m
$452
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 7/1
9:05 am-9:15 pm
2 stops9h 10m
Knoxville McGhee Tyson
Wed 7/8
6:55 pm-11:10 pm
1 stop7h 15m
$484
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
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.
What is the cheapest month to book a flight from Phoenix to Knoxville?
Currently, January is the cheapest month in which you can book a flight from Phoenix to Knoxville (average of $66). 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?
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 May 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.
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Boarding
8.1
Food
7.2
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - 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
Alcoa
Oak Ridge
Browse thousands of different options on Cheapflights for your next trip
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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 May 4, 2026.
Phoenix and Knoxville flights
Browse other Phoenix and Knoxville flight options. Last updated on May 4, 2026.
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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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$240 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$209 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$239 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$470 | FlexibilityNo cancel fee | On-time63% |