$87+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
May 11 — May 181
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 April 11, 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 April 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 8/65:01 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Sun 8/92:51 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 5/79:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Thu 5/148:00 am
TYS
- PHX
Nonstop4h 06m
Allegiant Air
Deal found 4/10![Allegiant Air logo]()
$196
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 9/34:22 pm
PHX
- TYS
Nonstop3h 31m
Allegiant Air
Sun 9/62:34 pm
TYS
- PHX
Nonstop3h 58m
Allegiant Air
Deal found 4/10![Allegiant Air logo]()
$197
This Gotogate deal was found by Cheapflights users on 4/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Thu 5/282:49 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 4/10![Allegiant Air logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Fri 5/299:15 am
PHX
- TYS
1 stop10h 27m
Multiple Airlines
Mon 6/15:30 pm
TYS
- PHX
1 stop22h 39m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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 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
Thu 7/162:41 pm
TYS
- PHX
Nonstop3h 49m
Allegiant Air
Deal found 4/7![Allegiant Air logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Sun 5/108:00 am
TYS
- PHX
Nonstop4h 06m
Allegiant Air
Deal found 4/7![Allegiant Air logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/179:56 am
PHX
- TYS
Nonstop3h 24m
Multiple Airlines
Tue 5/193:48 pm
TYS
- PHX
2 stops24h 21m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$217
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:51 pm
PHX
- TYS
1 stop21h 42m
Frontier
Mon 5/118:32 pm
TYS
- PHX
1 stop21h 51m
Frontier
Deal found 4/8![Frontier logo]()
$221
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 April 11, 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 April 11, 2026.
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 5/195:45 am
PHX
- TYS
1 stop5h 48m
Delta
Wed 5/273:30 pm
TYS
- PHX
1 stop8h 14m
Delta
Deal found 4/7![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Fri 8/2812:20 pm
PHX
- TYS
1 stop6h 10m
United Airlines
Mon 8/314:56 pm
TYS
- PHX
1 stop6h 33m
United Airlines
Deal found 4/9![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 4/9. 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 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
Wed 7/157:10 am
TYS
- PHX
2 stops9h 20m
Southwest
Deal found 4/9![Southwest logo]()
$424
This Delta deal was found by Cheapflights users on 4/7. 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 5/710:55 pm
PHX
- TYS
1 stop8h 26m
Delta
Tue 5/1210:25 am
TYS
- PHX
1 stop7h 01m
Delta
Deal found 4/7![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 4/7. 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.
Mon 5/1810:55 pm
PHX
- TYS
1 stop8h 26m
Delta
Wed 5/273:30 pm
TYS
- PHX
1 stop8h 14m
Delta
Deal found 4/7![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 4/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:00 am
PHX
- TYS
2 stops10h 05m
Southwest
Thu 5/286:45 pm
TYS
- PHX
2 stops7h 20m
Southwest
Deal found 4/6![Southwest logo]()
$462
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Mon 5/47:05 pm
PHX
- TYS
2 stops12h 01m
United Airlines
Sat 5/97:00 am
TYS
- PHX
2 stops10h 28m
United Airlines
Deal found 4/7![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 4/10. 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 10/210:55 pm
PHX
- TYS
1 stop8h 15m
Delta
Mon 10/57:20 pm
TYS
- PHX
1 stop6h 27m
Delta
Deal found 4/10![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 4/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:00 am
PHX
- TYS
2 stops7h 35m
Southwest
Mon 8/317:10 am
TYS
- PHX
2 stops8h 30m
Southwest
Deal found 4/9![Southwest logo]()
$463
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 5/195:45 am
PHX
- TYS
1 stop5h 48m
Delta
Tue 5/261:59 pm
TYS
- PHX
1 stop7h 10m
Delta
Deal found 4/7![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:06 am
PHX
- TYS
2 stops11h 24m
United Airlines
Sat 5/305:45 am
TYS
- PHX
2 stops13h 58m
United Airlines
Deal found 4/11![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 4/8. 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.
Mon 5/1110:15 am
PHX
- TYS
2 stops7h 05m
Southwest
Thu 5/146:45 pm
TYS
- PHX
2 stops7h 20m
Southwest
Deal found 4/8![Southwest logo]()
$501
Last-minute flights from Phoenix to KnoxvilleDiscover last-minute flight deals from Phoenix to Knoxville. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Knoxville. Data last updated April 11, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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 5/79:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Thu 5/148:00 am
TYS
- PHX
Nonstop4h 06m
Allegiant Air
Deal found 4/10![Allegiant Air logo]()
$196
This Cheapflightsfares deal was found by Cheapflights users on 4/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Sun 5/108:00 am
TYS
- PHX
Nonstop4h 06m
Allegiant Air
Deal found 4/7![Allegiant Air logo]()
$213
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:51 pm
PHX
- TYS
1 stop21h 42m
Frontier
Mon 5/118:32 pm
TYS
- PHX
1 stop21h 51m
Frontier
Deal found 4/8![Frontier logo]()
$221
This Gotogate deal was found by Cheapflights users on 4/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Thu 5/282:49 pm
TYS
- PHX
Nonstop4h 10m
Allegiant Air
Deal found 4/10![Allegiant Air logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/179:56 am
PHX
- TYS
Nonstop3h 24m
Multiple Airlines
Tue 5/193:48 pm
TYS
- PHX
2 stops24h 21m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Fri 5/299:15 am
PHX
- TYS
1 stop10h 27m
Multiple Airlines
Mon 6/15:30 pm
TYS
- PHX
1 stop22h 39m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$206
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 April 11, 2026.
Search for one-way flight options from Phoenix to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 7/94:20 pm
PHX
- TYS
Nonstop3h 36m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$87
This Priceline deal was found by Cheapflights users on 4/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:50 am
PHX
- TYS
1 stop5h 43m
Frontier
Deal found 4/8![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:53 pm
PHX
- TYS
1 stop21h 44m
Frontier
Deal found 4/8![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/166:50 am
PHX
- TYS
1 stop5h 43m
Frontier
Deal found 4/8![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/611:30 pm
PHX
- TYS
2 stops13h 11m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$126
This Super.com deal was found by Cheapflights users on 4/11. 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.
Sat 4/189:52 am
PHX
- TYS
1 stop26h 41m
Frontier
Deal found 4/11![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 4/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:09 pm
PHX
- TYS
1 stop24h 28m
Frontier
Deal found 4/7![Frontier logo]()
$137
This Super.com deal was found by Cheapflights users on 4/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:50 pm
PHX
- TYS
1 stop23h 43m
Frontier
Deal found 4/10![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/169:56 am
PHX
- TYS
Nonstop3h 24m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$140
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 April 11, 2026.
Round-trip from | $193 (Kiwi.com) |
|---|---|
One-way from | $87 (Kiwi.com) |
Popular in | April |
Cheapest in | February |
Average price | $398 |
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 April 11, 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
Tue 5/19
5:45 am-2:33 pm
1 stop5h 48m
Knoxville McGhee Tyson
Wed 5/27
3:30 pm-8:44 pm
1 stop8h 14m
$349
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Thu 5/7
10:55 pm-10:21 am
1 stop8h 26m
Knoxville McGhee Tyson
Tue 5/12
10:25 am-2:26 pm
1 stop7h 01m
$368
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Mon 5/18
10:55 pm-10:21 am
1 stop8h 26m
Knoxville McGhee Tyson
Wed 5/27
3:30 pm-8:44 pm
1 stop8h 14m
$368
Quickest round-trip
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Fri 8/28
12:20 pm-9:30 pm
1 stop6h 10m
Knoxville McGhee Tyson
Mon 8/31
4:56 pm-8:29 pm
1 stop6h 33m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Fri 10/2
10:55 pm-10:10 am
1 stop8h 15m
Knoxville McGhee Tyson
Mon 10/5
7:20 pm-10:47 pm
1 stop6h 27m
$399
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Tue 5/19
5:45 am-2:33 pm
1 stop5h 48m
Knoxville McGhee Tyson
Tue 5/26
1:59 pm-6:09 pm
1 stop7h 10m
$404
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Wed 7/8
9:25 am-8:20 pm
2 stops7h 55m
Knoxville McGhee Tyson
Wed 7/15
7:10 am-1:30 pm
2 stops9h 20m
$424
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Sun 5/17
8:00 am-9:05 pm
2 stops10h 05m
Knoxville McGhee Tyson
Thu 5/28
6:45 pm-11:05 pm
2 stops7h 20m
$462
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Fri 8/28
8:00 am-6:35 pm
2 stops7h 35m
Knoxville McGhee Tyson
Mon 8/31
7:10 am-12:40 pm
2 stops8h 30m
$463
PhoenixKnoxville
PHX - TYS
PHXTYS
Phoenix Sky Harbor Intl
Mon 5/4
7:05 pm-10:06 am
2 stops12h 01m
Knoxville McGhee Tyson
Sat 5/9
7:00 am-2:28 pm
2 stops10h 28m
$478
Showing 1-10 of 24 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?
Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Knoxville. Price data was last updated on April 10, 2026.
Booking 73 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, August is the cheapest month in which you can book a flight from Phoenix to Knoxville (average of $89). Flying from Phoenix to Knoxville in March is currently the most expensive (average of $235). 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.
What is the cheapest time of day to fly from PHX to TYS?
Find hourly flight availability from Phoenix to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix to Knoxville as you normally would.
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 April 11, 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.
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge
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Top 5 airlines flying from Phoenix to Knoxville
Discover the top 5 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 April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$230 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$170 | Average$387 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$398 | FlexibilityNo cancel fee | On-time71% |