$122+ Cheap flights from Knoxville (TYS) to Phoenix
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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Jun 13 — Jun 201
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Phoenix 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 Knoxville McGhee Tyson to Phoenix are usually found in August or September, booked 66 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from Knoxville to Phoenix
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to PhoenixExplore the most affordable flight options available from Knoxville to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.
Explore the most affordable flight options available from Knoxville to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 8/133:01 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Sun 8/164:51 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Sun 9/64:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:01 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Sun 9/64:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 10/186:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Sun 10/253:43 pm
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 8/272:39 pm
TYS
- PHX
Nonstop3h 47m
Allegiant Air
Sun 8/304:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/10![Allegiant Air logo]()
$183
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 7/232:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Thu 7/304:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$199
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:51 pm
TYS
- PHX
Nonstop4h 10m
Multiple Airlines
Sun 9/66:53 pm
PHX
- TYS
1 stop21h 44m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Mon 8/102:47 pm
TYS
- PHX
1 stop25h 08m
Multiple Airlines
Thu 8/204:16 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$219
This Gotogate deal was found by Cheapflights users on 5/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:01 pm
TYS
- PHX
Nonstop4h 10m
Multiple Airlines
Sun 9/66:53 pm
PHX
- TYS
1 stop21h 44m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/133:01 pm
TYS
- PHX
Nonstop4h 10m
Multiple Airlines
Thu 8/1310:27 pm
PHX
- TYS
1 stop12h 30m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$232
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Thu 8/204:16 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$240
Best flights from Knoxville to PhoenixDiscover carefully curated flight deals from Knoxville to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2026.
Discover carefully curated flight deals from Knoxville to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2026.
This Delta deal was found by Cheapflights users on 5/10. 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.
Fri 7/316:45 am
TYS
- PHX
1 stop9h 01m
Delta
Sat 8/110:57 pm
PHX
- TYS
1 stop8h 23m
Delta
Deal found 5/10![Delta logo]()
$383
This Southwest deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:40 am
TYS
- PHX
2 stops9h 35m
Southwest
Sat 8/17:50 am
PHX
- TYS
2 stops8h 45m
Southwest
Deal found 5/10![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
TYS
- PHX
1 stop8h 06m
United Airlines
Sun 6/711:50 pm
PHX
- TYS
1 stop6h 53m
United Airlines
Deal found 5/10![United Airlines logo]()
$433
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 7/164:20 pm
TYS
- PHX
2 stops9h 20m
Southwest
Tue 7/219:05 am
PHX
- TYS
2 stops9h 10m
Southwest
Deal found 5/11![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:35 pm
TYS
- PHX
2 stops11h 00m
Southwest
Mon 7/205:00 am
PHX
- TYS
2 stops13h 10m
Southwest
Deal found 5/10![Southwest logo]()
$484
This Southwest deal was found by Cheapflights users on 5/10. 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.
Wed 6/38:15 am
TYS
- PHX
2 stops10h 00m
Southwest
Sun 6/711:05 pm
PHX
- TYS
1 stop11h 40m
Southwest
Deal found 5/10![Southwest logo]()
$498
This Southwest deal was found by Cheapflights users on 5/10. 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.
Wed 6/38:15 am
TYS
- PHX
2 stops10h 00m
Southwest
Mon 6/85:00 am
PHX
- TYS
2 stops13h 10m
Southwest
Deal found 5/10![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 6/47:30 am
TYS
- PHX
2 stops13h 55m
Southwest
Sun 6/78:35 am
PHX
- TYS
2 stops9h 40m
Southwest
Deal found 5/11![Southwest logo]()
$543
This Southwest deal was found by Cheapflights users on 5/12. 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 5/296:35 am
TYS
- PHX
2 stops9h 05m
Southwest
Tue 6/27:05 am
PHX
- TYS
2 stops10h 45m
Southwest
Deal found 5/12![Southwest logo]()
$553
This Southwest deal was found by Cheapflights users on 5/12. 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 6/224:20 pm
TYS
- PHX
2 stops9h 20m
Southwest
Mon 6/295:00 am
PHX
- TYS
2 stops13h 10m
Southwest
Deal found 5/12![Southwest logo]()
$567
This Southwest deal was found by Cheapflights users on 5/13. 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 6/267:30 am
TYS
- PHX
2 stops13h 55m
Southwest
Sun 6/2811:55 pm
PHX
- TYS
2 stops9h 05m
Southwest
Deal found 5/13![Southwest logo]()
$573
This Southwest deal was found by Cheapflights users on 5/12. 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 6/16:45 pm
TYS
- PHX
2 stops7h 20m
Southwest
Mon 6/155:00 am
PHX
- TYS
2 stops13h 10m
Southwest
Deal found 5/12![Southwest logo]()
$583
Last-minute flights from Knoxville to PhoenixDiscover last-minute flight deals from Knoxville to Phoenix. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Phoenix. Data last updated May 14, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:19 pm
TYS
- PHX
1 stop6h 10m
Frontier
Fri 5/295:15 am
PHX
- TYS
1 stop11h 09m
Frontier
Deal found 5/11![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:19 pm
TYS
- PHX
1 stop6h 10m
Frontier
Mon 6/15:15 am
PHX
- TYS
1 stop11h 18m
Frontier
Deal found 5/11![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 5/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:32 pm
TYS
- PHX
1 stop21h 51m
Frontier
Thu 6/44:17 pm
PHX
- TYS
1 stop24h 16m
Frontier
Deal found 5/11![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/47:00 am
TYS
- PHX
1 stop19h 29m
Multiple Airlines
Mon 6/85:15 am
PHX
- TYS
1 stop11h 18m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$347
This Gotogate deal was found by Cheapflights users on 5/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/72:42 pm
TYS
- PHX
Nonstop3h 48m
Multiple Airlines
Thu 6/254:43 pm
PHX
- TYS
1 stop23h 54m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/77:00 am
TYS
- PHX
1 stop27h 44m
Multiple Airlines
Wed 6/104:53 pm
PHX
- TYS
1 stop17h 59m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$331
This CheapOair deal was found by Cheapflights users on 5/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:32 pm
TYS
- PHX
1 stop27h 49m
Frontier
Sun 6/146:53 pm
PHX
- TYS
1 stop21h 44m
Frontier
Deal found 5/10![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Wed 6/108:32 pm
TYS
- PHX
1 stop14h 13m
Frontier
Thu 6/114:43 pm
PHX
- TYS
1 stop23h 54m
Frontier
Deal found 5/12![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/112:42 pm
TYS
- PHX
Nonstop3h 48m
Multiple Airlines
Thu 6/1810:32 pm
PHX
- TYS
2 stops15h 21m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$336
One-way flights from Knoxville to PhoenixSearch for one-way flight options from Knoxville to Phoenix. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
Search for one-way flight options from Knoxville to Phoenix. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Mon 8/32:47 pm
TYS
- PHX
1 stop25h 08m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$122
This Frontier deal was found by Cheapflights users on 5/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:32 pm
TYS
- PHX
1 stop6h 00m
Frontier
Deal found 5/9![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:25 am
TYS
- PHX
2 stops30h 28m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$128
This Super.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:32 pm
TYS
- PHX
1 stop14h 08m
Frontier
Deal found 5/8![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/282:42 pm
TYS
- PHX
Nonstop3h 48m
Allegiant Air
Deal found 5/10![Allegiant Air logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:32 pm
TYS
- PHX
1 stop19h 48m
Frontier
Deal found 5/13![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:19 pm
TYS
- PHX
1 stop6h 10m
Frontier
Deal found 5/11![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/296:30 am
TYS
- PHX
2 stops30h 46m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Sun 5/317:00 am
TYS
- PHX
1 stop27h 44m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$160
Find flight deals from Knoxville to Phoenix
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Phoenix (PH1). 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 14, 2026.
Round-trip from | $199 (Cheapflightsfares) |
|---|---|
One-way from | $122 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $385 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Phoenix 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 14, 2026.
Use the filters below to find and compare flights from Knoxville to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 7/31
6:45 am-12:46 pm
1 stop9h 01m
Phoenix Sky Harbor Intl
Sat 8/1
10:57 pm-10:20 am
1 stop8h 23m
$383
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 7/31
6:40 am-1:15 pm
2 stops9h 35m
Phoenix Sky Harbor Intl
Sat 8/1
7:50 am-7:35 pm
2 stops8h 45m
$409
Quickest round-trip
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 6/3
6:00 am-11:06 am
1 stop8h 06m
Phoenix Sky Harbor Intl
Sun 6/7
11:50 pm-9:43 am
1 stop6h 53m
$433
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 7/16
4:20 pm-10:40 pm
2 stops9h 20m
Phoenix Sky Harbor Intl
Tue 7/21
9:05 am-9:15 pm
2 stops9h 10m
$478
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sat 7/18
1:35 pm-9:35 pm
2 stops11h 00m
Phoenix Sky Harbor Intl
Mon 7/20
5:00 am-9:10 pm
2 stops13h 10m
$484
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 6/3
8:15 am-3:15 pm
2 stops10h 00m
Phoenix Sky Harbor Intl
Sun 6/7
11:05 pm-1:45 pm
1 stop11h 40m
$498
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 6/3
8:15 am-3:15 pm
2 stops10h 00m
Phoenix Sky Harbor Intl
Mon 6/8
5:00 am-9:10 pm
2 stops13h 10m
$503
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 6/4
7:30 am-6:25 pm
2 stops13h 55m
Phoenix Sky Harbor Intl
Sun 6/7
8:35 am-9:15 pm
2 stops9h 40m
$543
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 5/29
6:35 am-12:40 pm
2 stops9h 05m
Phoenix Sky Harbor Intl
Tue 6/2
7:05 am-8:50 pm
2 stops10h 45m
$553
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Mon 6/22
4:20 pm-10:40 pm
2 stops9h 20m
Phoenix Sky Harbor Intl
Mon 6/29
5:00 am-9:10 pm
2 stops13h 10m
$567
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Knoxville to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Knoxville with our price prediction graph.
TYS-PH1
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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 Knoxville to Phoenix
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How far ahead should I book a flight from Knoxville to Phoenix?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Phoenix. 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 Knoxville to Phoenix?
Currently, August is the cheapest month in which you can book a flight from Knoxville to Phoenix (average of $62). Flying from Knoxville to Phoenix in November is currently the most expensive (average of $213). 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 Knoxville to Phoenix?
Reviews of airlines servicing Phoenix
Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated May 14, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air from Knoxville to Phoenix by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Phoenix. 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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Knoxville and Phoenix flights
Browse other Knoxville and Phoenix flight options. Last updated on May 14, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on May 14, 2026.
Popular flight searches
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Top 5 airlines flying from Knoxville to Phoenix
Discover the top 5 airlines that operate flights from Knoxville to Phoenix. 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$250 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$327 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$398 | FlexibilityNo cancel fee | On-time71% |