$92+ Cheap flights from Knoxville (TYS) to Sky Harbor Intl (PHX)
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Sky Harbor Intl 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 Sky Harbor Intl are usually found in August or September, booked 36 days in advance, depart on a Friday or Wednesday and return on a Monday
Cheap flight deals from Knoxville to Sky Harbor Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to Sky Harbor IntlExplore the most affordable flight options available from Knoxville to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Knoxville to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Fri 10/166:00 am -
Nonstop4h 01m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 8/18![Allegiant Air logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Fri 10/166:00 am -
Nonstop4h 01m
Sun 10/187:51 am -
Nonstop3h 27m
Deal found 8/17![Allegiant Air logo]()
$186
This Cheapflightsfares deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:39 pm -
Nonstop4h 01m
Thu 11/124:30 pm -
Nonstop3h 36m
Deal found 8/20![Allegiant Air logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 11/56:30 am -
1 stop16h 24m
Thu 11/124:30 pm -
Nonstop3h 36m
Deal found 8/20![Multiple Airlines logo]()
$211
This CheapOair deal was found by Cheapflights users on 8/16. 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 10/16:00 am -
Nonstop4h 01m
Sun 10/47:51 am -
Nonstop3h 27m
Deal found 8/16![Allegiant Air logo]()
$217
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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 10/221:52 pm -
Nonstop4h 01m
Sun 10/253:43 pm -
Nonstop3h 27m
Deal found 8/21![Allegiant Air logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/163:54 pm -
2 stops22h 21m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 8/18![Multiple Airlines logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 10/156:00 am -
Nonstop4h 01m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 8/16![Allegiant Air logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/1610:03 pm -
1 stop23h 30m
Sun 10/187:51 am -
Nonstop3h 27m
Deal found 8/17![Multiple Airlines logo]()
$231
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 9/102:34 pm -
Nonstop3h 58m
Sun 9/134:22 pm -
Nonstop3h 31m
Deal found 8/17![Allegiant Air logo]()
$233
Best flights from Knoxville to Sky Harbor IntlDiscover carefully curated flight deals from Knoxville to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Knoxville to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/16. 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 11/235:10 pm -
1 stop8h 08m
Wed 12/27:00 am -
1 stop8h 59m
Deal found 8/16![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/31:55 pm -
1 stop7h 43m
Mon 10/1911:52 pm -
1 stop6h 53m
Deal found 8/20![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:25 pm -
1 stop7h 50m
Wed 12/21:35 am -
2 stops8h 45m
Deal found 8/16![Southwest logo]()
$414
This Delta deal was found by Cheapflights users on 8/20. 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 11/216:09 pm -
1 stop7h 38m
Fri 11/277:05 am -
1 stop6h 13m
Deal found 8/20![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 8/16. 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 9/161:55 pm -
2 stops8h 00m
Mon 9/216:40 am -
2 stops9h 00m
Deal found 8/16![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/2210:42 am -
2 stops15h 03m
Sat 10/247:10 am -
1 stop6h 58m
Deal found 8/17![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 8/18. 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 11/53:40 pm -
2 stops9h 25m
Sun 11/85:40 am -
2 stops7h 20m
Deal found 8/18![Southwest logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/2210:42 am -
2 stops15h 03m
Tue 10/2711:20 am -
1 stop6h 34m
Deal found 8/18![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/2210:42 am -
2 stops15h 03m
Mon 10/266:37 pm -
2 stops12h 16m
Deal found 8/16![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 8/18. 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 1/117:00 am -
2 stops7h 35m
Fri 1/158:00 am -
2 stops8h 50m
Deal found 8/18![Southwest logo]()
$459
Last-minute flights from Knoxville to Sky Harbor IntlDiscover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Sky Harbor Intl. Data last updated August 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/281:55 pm -
2 stops25h 53m
Sun 8/304:16 pm -
Nonstop3h 36m
Deal found 8/17![Multiple Airlines logo]()
$282
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 9/32:34 pm -
Nonstop3h 58m
Sun 9/64:22 pm -
Nonstop3h 31m
Deal found 8/19![Allegiant Air logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 9/102:34 pm -
Nonstop3h 58m
Sun 9/134:22 pm -
Nonstop3h 31m
Deal found 8/17![Allegiant Air logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/107:00 am -
1 stop12h 19m
Sun 9/134:22 pm -
Nonstop3h 31m
Deal found 8/17![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/118:00 am -
2 stops18h 43m
Sun 9/134:22 pm -
Nonstop3h 31m
Deal found 8/18![Multiple Airlines logo]()
$268
This Trip.com deal was found by Cheapflights users on 8/16. 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.
Sun 9/132:34 pm -
Nonstop3h 58m
Sun 9/204:22 pm -
Nonstop3h 31m
Deal found 8/16![Allegiant Air logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/137:00 am -
1 stop28h 00m
Wed 9/168:39 pm -
1 stop17h 39m
Deal found 8/18![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/216:30 am -
1 stop19h 17m
Wed 9/238:39 pm -
1 stop17h 39m
Deal found 8/18![Multiple Airlines logo]()
$286
One-way flights from Knoxville to Sky Harbor IntlSearch for one-way flight options from Knoxville to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Knoxville to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 8/302:39 pm -
Nonstop3h 47m
Deal found 8/18![Allegiant Air logo]()
$92
This CheapOair deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:39 pm -
Nonstop3h 47m
Deal found 8/16![Allegiant Air logo]()
$95
This Super.com deal was found by Cheapflights users on 8/19. 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 9/172:34 pm -
Nonstop3h 58m
Deal found 8/19![Allegiant Air logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/181:54 pm -
2 stops26h 12m
Deal found 8/16![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/16:00 am -
Nonstop4h 01m
Deal found 8/19![Allegiant Air logo]()
$133
This CheapOair deal was found by Cheapflights users on 8/16. 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.
Sun 11/812:29 pm -
Nonstop4h 01m
Deal found 8/16![Allegiant Air logo]()
$135
Find flight deals from Knoxville to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Sky Harbor Intl (PHX). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $169 (Cheapflightsfares) |
One-way from | $92 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $208 |
Good round-trip deal | $204 or less |
Good one-way deal | $123 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Sky Harbor Intl 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 21, 2026.
Use the filters below to find and compare flights from Knoxville to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Mon 11/23
5:10 pm-11:18 pm
1 stop8h 08m
Phoenix Sky Harbor Intl
Wed 12/2
7:00 am-5:59 pm
1 stop8h 59m
$319
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Sat 10/3
1:55 pm-6:38 pm
1 stop7h 43m
Phoenix Sky Harbor Intl
Mon 10/19
11:52 pm-9:45 am
1 stop6h 53m
$334
Quickest round-trip
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Sat 11/21
6:09 pm-11:47 pm
1 stop7h 38m
Phoenix Sky Harbor Intl
Fri 11/27
7:05 am-3:18 pm
1 stop6h 13m
$411
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Fri 11/27
7:25 pm-1:15 am
1 stop7h 50m
Phoenix Sky Harbor Intl
Wed 12/2
1:35 am-12:20 pm
2 stops8h 45m
$414
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Wed 9/16
1:55 pm-6:55 pm
2 stops8h 00m
Phoenix Sky Harbor Intl
Mon 9/21
6:40 am-6:40 pm
2 stops9h 00m
$418
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Thu 11/5
3:40 pm-11:05 pm
2 stops9h 25m
Phoenix Sky Harbor Intl
Sun 11/8
5:40 am-3:00 pm
2 stops7h 20m
$435
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Thu 10/22
10:42 am-10:45 pm
2 stops15h 03m
Phoenix Sky Harbor Intl
Sat 10/24
7:10 am-5:08 pm
1 stop6h 58m
$439
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Thu 10/22
10:42 am-10:45 pm
2 stops15h 03m
Phoenix Sky Harbor Intl
Tue 10/27
11:20 am-8:54 pm
1 stop6h 34m
$439
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Thu 10/22
10:42 am-10:45 pm
2 stops15h 03m
Phoenix Sky Harbor Intl
Mon 10/26
6:37 pm-9:53 am
2 stops12h 16m
$444
KnoxvillePhoenix
TYS Knoxville McGhee Tyson - PHX Phoenix Sky Harbor Intl
TYSPHX
Knoxville McGhee Tyson
Mon 1/11
7:00 am-12:35 pm
2 stops7h 35m
Phoenix Sky Harbor Intl
Fri 1/15
8:00 am-6:50 pm
2 stops8h 50m
$459
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Sky Harbor Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Sky Harbor Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Phoenix Sky Harbor Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Knoxville with our price prediction graph.
TYS-PHX
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 Sky Harbor Intl Airport
How far ahead should I book a flight from Knoxville to Phoenix Sky Harbor Intl Airport?
To ensure you get the cheapest price possible for a flight from Knoxville to Phoenix Sky Harbor Intl Airport, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Knoxville to Phoenix Sky Harbor Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Knoxville to Phoenix Sky Harbor Intl Airport (average of $208). Flying from Knoxville to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $610). 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 Sky Harbor Intl Airport?
Airfare is below average for this route at the moment.
Knoxville to Phoenix Sky Harbor Intl Airport flights typically cost between $192 and $355 in October.The cheapest round-trip price found within the last 5 days was $169 on Allegiant Air (Oct 16-Oct 19).
Reviews of airlines servicing Sky Harbor Intl
Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated August 21, 2026.
See what other customers who have flown with Delta,United Airlines, andAllegiant Air from Knoxville to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Entertainment
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Entertainment
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Entertainment
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Entertainment
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Entertainment
7.8
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Sky Harbor Intl. 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 Phoenix Sky Harbor Intl Airport?
Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locationsGlendale
Buckeye
Goodyear
Payson
Surprise
Wickenburg
Paradise Valley
Peoria
Chandler
Casa Grande
Camp Verde
Globe
Fountain Hills
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Alternative routes for Knoxville to Sky Harbor Intl
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Knoxville and Sky Harbor Intl flights
Browse other Knoxville and Sky Harbor Intl flight options. Last updated on August 21, 2026.
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Other flights to Sky Harbor Intl
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Top 6 airlines flying from Knoxville to Sky Harbor Intl
Discover the top 6 airlines that operate flights from Knoxville to Sky Harbor Intl. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$278 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$324 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$565 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$439 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$284 | Average$416 | FlexibilityNo cancel fee | On-time71% |