$75+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Sep 3 — Sep 101
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 October, booked 36 days in advance, depart on a Monday or Friday and return on a Monday
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 August 4, 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 August 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:34 pm -
Nonstop3h 58m
Thu 9/104:22 pm -
Nonstop3h 31m
Deal found 8/1![Allegiant Air logo]()
$145
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair 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 7/30![Allegiant Air logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
Nonstop4h 01m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 8/2![Allegiant Air logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
Nonstop4h 01m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 8/1![Allegiant Air logo]()
$165
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:39 pm -
Nonstop3h 47m
Sun 8/304:16 pm -
Nonstop3h 36m
Deal found 8/3![Allegiant Air logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 stop21h 47m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 7/31![Multiple Airlines logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/302:39 pm -
Nonstop3h 47m
Sun 9/64:22 pm -
Nonstop3h 31m
Deal found 8/2![Allegiant Air logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/3![Allegiant Air logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:30 am -
1 stop27h 41m
Mon 10/199:11 am -
Nonstop3h 27m
Deal found 8/1![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am -
1 stop27h 40m
Sun 9/64:22 pm -
Nonstop3h 31m
Deal found 8/2![Multiple Airlines logo]()
$210
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 August 4, 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 August 4, 2026.
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:20 pm -
1 stop6h 20m
Sat 12/127:05 am -
1 stop7h 05m
Deal found 7/30![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:33 am -
1 stop9h 21m
Mon 9/143:16 pm -
1 stop5h 39m
Deal found 7/30![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:15 am -
1 stop6h 07m
Thu 9/1011:28 am -
1 stop8h 21m
Deal found 8/1![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/205:30 am -
1 stop6h 59m
Wed 1/271:40 pm -
1 stop7h 22m
Deal found 8/2![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:25 pm -
1 stop7h 45m
Sun 10/256:05 am -
1 stop6h 30m
Deal found 8/1![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:00 am -
1 stop6h 20m
Fri 12/2511:00 am -
1 stop7h 40m
Deal found 8/3![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:16 pm -
1 stop7h 05m
Sun 10/1810:25 pm -
1 stop8h 52m
Deal found 8/3![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:07 am -
1 stop8h 25m
Fri 12/251:05 pm -
1 stop5h 35m
Deal found 8/3![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/204:00 pm -
1 stop7h 45m
Thu 12/242:15 pm -
1 stop5h 30m
Deal found 8/3![Delta logo]()
$404
Last-minute flights from Knoxville to PhoenixDiscover last-minute flight deals from Knoxville to Phoenix. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Phoenix. Data last updated August 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:39 pm -
Nonstop3h 47m
Sun 8/304:16 pm -
Nonstop3h 36m
Deal found 8/3![Allegiant Air logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am -
1 stop17h 28m
Sun 8/304:16 pm -
Nonstop3h 36m
Deal found 8/3![Multiple Airlines logo]()
$259
This Cheapflightsfares deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/302:39 pm -
Nonstop3h 47m
Sun 9/64:22 pm -
Nonstop3h 31m
Deal found 8/2![Allegiant Air logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am -
1 stop27h 40m
Sun 9/64:22 pm -
Nonstop3h 31m
Deal found 8/2![Multiple Airlines logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:34 pm -
Nonstop3h 58m
Thu 9/104:22 pm -
Nonstop3h 31m
Deal found 8/1![Allegiant Air logo]()
$145
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair 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 7/30![Allegiant Air logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:34 pm -
Nonstop3h 58m
Thu 9/1011:29 am -
2 stops22h 58m
Deal found 8/1![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/32:34 pm -
Nonstop3h 58m
Sat 9/127:37 am -
2 stops23h 27m
Deal found 7/31![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:34 pm -
Nonstop3h 58m
Sun 9/274:22 pm -
Nonstop3h 31m
Deal found 8/2![Allegiant Air logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:33 pm -
2 stops52h 05m
Sat 10/33:38 pm -
Nonstop3h 27m
Deal found 7/30![Multiple Airlines logo]()
$258
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 August 4, 2026.
Search for one-way flight options from Knoxville to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Super.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:39 pm -
Nonstop3h 47m
Deal found 8/3![Allegiant Air logo]()
$75
This CheapOair deal was found by Cheapflights users on 7/31. 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 8/133:01 pm -
Nonstop4h 10m
Deal found 7/31![Allegiant Air logo]()
$77
This CheapOair deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:30 am -
Nonstop4h 01m
Deal found 8/2![Allegiant Air logo]()
$87
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair 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 7/30![Allegiant Air logo]()
$97
This CheapOair deal was found by Cheapflights users on 7/31. 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 9/132:34 pm -
Nonstop3h 58m
Deal found 7/31![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
1 stop28h 28m
Deal found 8/3![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/3![Allegiant Air logo]()
$110
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 August 4, 2026.
Round-trip from | $145 (Cheapflightsfares) |
|---|---|
One-way from | $75 (Super.com) |
Popular in | June |
Cheapest in | August |
Average price | $179 |
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 August 4, 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
Sat 12/5
5:20 pm-9:40 pm
1 stop6h 20m
Phoenix Sky Harbor Intl
Sat 12/12
7:05 am-4:10 pm
1 stop7h 05m
$319
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 9/9
7:33 am-1:54 pm
1 stop9h 21m
Phoenix Sky Harbor Intl
Mon 9/14
3:16 pm-11:55 pm
1 stop5h 39m
$319
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Wed 1/20
5:30 am-10:29 am
1 stop6h 59m
Phoenix Sky Harbor Intl
Wed 1/27
1:40 pm-11:02 pm
1 stop7h 22m
$349
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Fri 12/18
6:00 am-10:20 am
1 stop6h 20m
Phoenix Sky Harbor Intl
Fri 12/25
11:00 am-8:40 pm
1 stop7h 40m
$364
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 10/22
7:25 pm-12:10 am
1 stop7h 45m
Phoenix Sky Harbor Intl
Sun 10/25
6:05 am-3:35 pm
1 stop6h 30m
$379
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 10/15
7:16 pm-11:21 pm
1 stop7h 05m
Phoenix Sky Harbor Intl
Sun 10/18
10:25 pm-10:17 am
1 stop8h 52m
$379
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sun 12/20
7:07 am-1:32 pm
1 stop8h 25m
Phoenix Sky Harbor Intl
Fri 12/25
1:05 pm-8:40 pm
1 stop5h 35m
$389
Quickest round-trip
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sun 12/20
4:00 pm-9:45 pm
1 stop7h 45m
Phoenix Sky Harbor Intl
Thu 12/24
2:15 pm-9:45 pm
1 stop5h 30m
$404
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Sun 9/6
7:15 am-10:22 am
1 stop6h 07m
Phoenix Sky Harbor Intl
Thu 9/10
11:28 am-10:49 pm
1 stop8h 21m
$420
Cheapest one-way
KnoxvillePhoenix
TYS - PHX
TYSPHX
Knoxville McGhee Tyson
Thu 11/12
6:30 am-8:58 am
1 stop28h 28m
$109
Showing 1-10 of 17 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
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
TYS-PH1
TYS-PHX
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 $186). Flying from Knoxville to Phoenix 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?
Airfare is typical for this route at the moment.
Knoxville to Phoenix flights typically cost between $138 and $254 in September.The cheapest round-trip price found within the last 5 days was $145 on Allegiant Air (Sep 3-Sep 10).
How far ahead should I book a flight from Knoxville to Phoenix?
Booking 35 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.
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 August 4, 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.
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Food
7.2
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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Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Phoenix by cabin class
Find flights from Knoxville to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Phoenix flights
Browse other Knoxville and Phoenix flight options. Last updated on August 4, 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 August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Knoxville to Phoenix
Discover the top 6 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$273 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$324 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$130 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$525 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$279 | Average$411 | FlexibilityNo cancel fee | On-time71% |