$82+ Cheap flights from Sky Harbor Intl (PHX) 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl 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 Sky Harbor Intl to Knoxville McGhee Tyson are usually found in February or January, booked 73 days in advance, depart on a Wednesday or Friday and return on a Thursday
Cheap flight deals from Sky Harbor Intl to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sky Harbor Intl to KnoxvilleExplore the most affordable flight options available from Sky Harbor Intl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 8/135:01 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/162:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 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 6/9![Allegiant Air logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Sun 8/24:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/92:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/135:01 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Sun 8/167:00 am
TYS
- PHX
1 stop27h 40m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 10/17:51 am
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Sun 10/46:00 am
TYS
- PHX
Nonstop4h 01m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Sun 9/202:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/24:20 pm
PHX
- TYS
Nonstop3h 36m
Multiple Airlines
Sun 8/97:00 am
TYS
- PHX
1 stop27h 40m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 8/65:01 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/92:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$222
Best flights from Sky Harbor Intl to KnoxvilleDiscover carefully curated flight deals from Sky Harbor Intl to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 10/1711:55 pm
PHX
- TYS
1 stop6h 17m
Delta
Tue 10/205:15 pm
TYS
- PHX
1 stop8h 07m
Delta
Deal found 6/10![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:05 am
PHX
- TYS
1 stop5h 20m
Southwest
Mon 9/144:50 pm
TYS
- PHX
1 stop6h 10m
Southwest
Deal found 6/8![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/266:55 pm
PHX
- TYS
2 stops12h 42m
United Airlines
Wed 9/27:00 am
TYS
- PHX
1 stop8h 56m
United Airlines
Deal found 6/10![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 6/8. 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 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 22m
Delta
Wed 9/235:45 am
TYS
- PHX
1 stop6h 15m
Delta
Deal found 6/8![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:15 pm
PHX
- TYS
1 stop6h 30m
United Airlines
Mon 8/247:00 am
TYS
- PHX
2 stops10h 55m
United Airlines
Deal found 6/8![United Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:41 pm
PHX
- TYS
2 stops12h 16m
United Airlines
Thu 8/275:45 am
TYS
- PHX
2 stops12h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 6/7. 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 10/17:15 am
PHX
- TYS
1 stop6h 57m
Delta
Mon 10/125:30 am
TYS
- PHX
1 stop6h 57m
Delta
Deal found 6/7![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:23 am
PHX
- TYS
2 stops10h 26m
United Airlines
Sun 9/279:45 am
TYS
- PHX
2 stops14h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:50 pm
PHX
- TYS
2 stops11h 09m
United Airlines
Thu 11/125:45 am
TYS
- PHX
1 stop8h 11m
United Airlines
Deal found 6/7![United Airlines logo]()
$504
Last-minute flights from Sky Harbor Intl to KnoxvilleDiscover last-minute flight deals from Sky Harbor Intl to Knoxville. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Knoxville. Data last updated June 11, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:48 pm
PHX
- TYS
1 stop23h 36m
Frontier
Mon 7/138:19 pm
TYS
- PHX
1 stop6h 13m
Frontier
Deal found 6/9![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:40 am
PHX
- TYS
1 stop9h 44m
Frontier
Fri 7/178:19 pm
TYS
- PHX
1 stop25h 28m
Frontier
Deal found 6/10![Frontier logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 7/164:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 7/192:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$253
This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:40 am
PHX
- TYS
1 stop9h 44m
Multiple Airlines
Sun 7/192:41 pm
TYS
- PHX
Nonstop3h 49m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$299
This CheapOair deal was found by Cheapflights users on 6/10. 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.
Sun 7/194:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Thu 7/302:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$243
This CheapOair deal was found by Cheapflights users on 6/6. 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 7/304:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/22:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/6. 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
Sun 8/27:00 am
TYS
- PHX
2 stops37h 41m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$274
One-way flights from Sky Harbor Intl to KnoxvilleSearch for one-way flight options from Sky Harbor Intl to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Sky Harbor Intl to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 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
Deal found 6/9![Allegiant Air logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/7. 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
Allegiant Air
Deal found 6/7![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:51 am
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$108
This CheapOair deal was found by Cheapflights users on 6/6. 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 7/264:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 6/6![Allegiant Air logo]()
$112
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:40 am
PHX
- TYS
1 stop7h 44m
Frontier
Deal found 6/9![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 6/7. 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 7/306:53 pm
PHX
- TYS
1 stop21h 31m
Frontier
Deal found 6/7![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 6/6. 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 7/176:40 am
PHX
- TYS
1 stop9h 44m
Frontier
Deal found 6/6![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 6/9. 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.
Fri 7/248:40 am
PHX
- TYS
1 stop7h 44m
Frontier
Deal found 6/9![Frontier logo]()
$139
This Mytrip deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:15 pm
PHX
- TYS
1 stop26h 09m
Frontier
Deal found 6/7![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:51 am
PHX
- TYS
Nonstop3h 27m
Allegiant Air
Deal found 6/8![Allegiant Air logo]()
$147
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:09 pm
PHX
- TYS
1 stop6h 21m
American Airlines
Deal found 6/8![American Airlines logo]()
$149
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/162:15 pm
PHX
- TYS
1 stop26h 22m
Frontier
Deal found 6/9![Frontier logo]()
$155
Find flight deals from Sky Harbor Intl to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Cheapflightsfares) |
One-way from | $82 (Cheapflightsfares) |
Popular in | April |
Cheapest in | February |
Average price | $398 |
Good round-trip deal | $202 or less |
Good one-way deal | $220 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 11, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport 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
$285
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sun 9/13
10:55 pm-10:17 am
1 stop8h 22m
Knoxville McGhee Tyson
Wed 9/23
5:45 am-9:00 am
1 stop6h 15m
$399
Quickest round-trip
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Fri 9/11
5:05 am-1:25 pm
1 stop5h 20m
Knoxville McGhee Tyson
Mon 9/14
4:50 pm-8:00 pm
1 stop6h 10m
$410
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-12:56 pm
1 stop8h 56m
$416
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 8/20
12:15 pm-9:45 pm
1 stop6h 30m
Knoxville McGhee Tyson
Mon 8/24
7:00 am-2:55 pm
2 stops10h 55m
$442
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sun 8/23
6:41 pm-9:57 am
2 stops12h 16m
Knoxville McGhee Tyson
Thu 8/27
5:45 am-2:57 pm
2 stops12h 12m
$491
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 10/1
7:15 am-5:12 pm
1 stop6h 57m
Knoxville McGhee Tyson
Mon 10/12
5:30 am-9:27 am
1 stop6h 57m
$499
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 9/23
9:23 am-10:49 pm
2 stops10h 26m
Knoxville McGhee Tyson
Sun 9/27
9:45 am-8:49 pm
2 stops14h 04m
$499
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Fri 11/6
8:50 pm-9:59 am
2 stops11h 09m
Knoxville McGhee Tyson
Thu 11/12
5:45 am-11:56 am
1 stop8h 11m
$504
Cheapest one-way
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Mon 8/10
8:40 am-7:24 pm
1 stop7h 44m
$122
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Knoxville
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 Sky Harbor Intl to Knoxville in June.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Knoxville 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 Phoenix Sky Harbor Intl Airport-Knoxville 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 Sky Harbor Intl to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Sky Harbor Intl with our price prediction graph.
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 Sky Harbor Intl Airport to Knoxville
Prices
More
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Knoxville?
To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Knoxville, you should look to book at least 72 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 Phoenix Sky Harbor Intl Airport to Knoxville?
Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Knoxville (average of $245). Flying from Phoenix Sky Harbor Intl Airport to Knoxville in April is currently the most expensive (average of $406). 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 Sky Harbor Intl Airport to Knoxville?
What’s the top layover airport for flights from Phoenix Sky Harbor Intl Airport to Knoxville?
Share of 1-stop round-trip flights from Phoenix Sky Harbor Intl Airport to Knoxville chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Phoenix Sky Harbor Intl Airport to Knoxville on Cheapflights.
What’s the cheapest layover airport for flights from Phoenix Sky Harbor Intl Airport to Knoxville?
Average round-trip fare for 1-stop flights from Phoenix Sky Harbor Intl Airport to Knoxville, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $250.
What’s the fastest layover option from Phoenix Sky Harbor Intl Airport to Knoxville?
Shortest average travel time for 1-stop one-way flights from Phoenix Sky Harbor Intl Airport to Knoxville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 42m.
Which airport typically offers the quickest layover for flights from Phoenix Sky Harbor Intl Airport to Knoxville?
Average layover duration for 1-stop one-way flights from Phoenix Sky Harbor Intl Airport to Knoxville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 59m.
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 11, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Knoxville, such as Delta,United Airlines, andAllegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
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 Sky Harbor Intl 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?
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Sky Harbor Intl and Knoxville flights
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Top 6 airlines flying from Sky Harbor Intl to Knoxville
Discover the top 6 airlines that operate flights from Sky Harbor Intl 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$115 | Average$241 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$199 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$433 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$481 | FlexibilityNo cancel fee | On-time63% |