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Sky Harbor Intl

$81+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
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”

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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl are usually found in August or October, booked 36 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Knoxville to Sky Harbor Intl

Cheapest flights from Knoxville to Sky Harbor Intl
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 July 14, 2026.

This CheapOair deal was found by Cheapflights users on 7/9. 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 8/202:39 pm
TYS
-
PHX
Nonstop3h 47m
Allegiant Air
Sun 8/234:16 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/9$137
This Cheapflightsfares deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
TYS
-
PHX
Nonstop4h 01m
Allegiant Air
Mon 10/199:11 am
PHX
-
TYS
Nonstop3h 27m
Allegiant Air
Deal found 7/12$153
This Cheapflightsfares deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:34 pm
TYS
-
PHX
Nonstop3h 58m
Allegiant Air
Thu 9/104:22 pm
PHX
-
TYS
Nonstop3h 31m
Allegiant Air
Deal found 7/11$161
This CheapOair deal was found by Cheapflights users on 7/9. 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 8/63:01 pm
TYS
-
PHX
Nonstop4h 10m
Allegiant Air
Thu 8/135:01 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/9$166
This Cheapflightsfares deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:29 pm
TYS
-
PHX
Nonstop4h 01m
Allegiant Air
Sun 11/153:20 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/13$169
This Cheapflightsfares deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:34 pm
TYS
-
PHX
Nonstop3h 58m
Allegiant Air
Sun 9/134:22 pm
PHX
-
TYS
Nonstop3h 31m
Allegiant Air
Deal found 7/13$177
This Booking.com deal was found by Cheapflights users on 7/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:41 pm
TYS
-
PHX
Nonstop3h 49m
Allegiant Air
Sun 8/24:20 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/10$188
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:00 am
TYS
-
PHX
1 stop19h 27m
Multiple Airlines
Thu 8/135:01 pm
PHX
-
TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/9$197
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 8/211:26 pm
TYS
-
PHX
1 stop26h 16m
Multiple Airlines
Sun 8/234:16 pm
PHX
-
TYS
Nonstop3h 36m
Multiple Airlines
Deal found 7/10$200
This Cheapflightsfares deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
TYS
-
PHX
Nonstop4h 01m
Allegiant Air
Mon 10/58:31 am
PHX
-
TYS
Nonstop3h 27m
Allegiant Air
Deal found 7/13$204
This Booking.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:51 pm
TYS
-
PHX
Nonstop4h 10m
Allegiant Air
Sun 8/164:51 pm
PHX
-
TYS
Nonstop3h 36m
Allegiant Air
Deal found 7/12$206

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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(CheapOair)

One-way from

$81
(Booking.com)

Popular in

June

Cheapest in

August

Average price

$398

Good round-trip deal

$148 or less

Good one-way deal

$251 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Phoenix Sky Harbor Intl flights.
Search Deals
From Knoxville McGhee Tyson to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl.
Search Deals

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 2,558,603 searches. Data last updated July 14, 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

Price

Cheapest round-trip

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/22

11:45 am-6:09 pm

1 stop9h 24m

Phoenix Sky Harbor Intl

Tue 10/27

10:36 am-8:08 pm

1 stop6h 32m

$255
Quickest round-trip

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Tue 10/20

3:20 pm-6:35 pm

1 stop6h 15m

Phoenix Sky Harbor Intl

Tue 10/27

7:00 am-3:40 pm

1 stop5h 40m

$259

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Tue 8/4

3:00 pm-6:00 pm

1 stop6h 00m

Phoenix Sky Harbor Intl

Thu 8/6

9:50 pm-1:25 pm

2 stops12h 35m

$322

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 9/3

5:45 pm-10:20 pm

1 stop7h 35m

Phoenix Sky Harbor Intl

Thu 9/10

5:05 am-1:25 pm

1 stop5h 20m

$325

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Mon 9/21

11:45 am-5:59 pm

1 stop9h 14m

Phoenix Sky Harbor Intl

Fri 9/25

11:05 pm-10:18 am

1 stop8h 13m

$339

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/22

11:45 am-6:09 pm

1 stop9h 24m

Phoenix Sky Harbor Intl

Sun 10/25

11:35 pm-11:01 am

1 stop8h 26m

$379

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Wed 9/9

6:00 am-11:08 am

1 stop8h 08m

Phoenix Sky Harbor Intl

Mon 9/14

6:41 pm-9:58 am

2 stops12h 17m

$416

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/22

10:42 am-11:15 pm

2 stops15h 33m

Phoenix Sky Harbor Intl

Tue 10/27

9:00 am-8:44 pm

1 stop8h 44m

$428

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 10/22

10:42 am-11:15 pm

2 stops15h 33m

Phoenix Sky Harbor Intl

Sat 10/24

10:00 am-9:00 pm

1 stop8h 00m

$428
Cheapest one-way

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Wed 11/11

6:15 pm-12:14 am

1 stop7h 59m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 $189). 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?

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 July 14, 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.
Delta
7.8
Good
8,467 reviews

Overall

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,467 reviews
Delta
7.8
Good
8,467 reviews

Overall

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,991 reviews
Delta
7.8
Good
8,467 reviews

Overall

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Allegiant Air
7.3
Good
682 reviews
Delta
7.8
Good
8,467 reviews

Overall

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,808 reviews
Delta
7.8
Good
8,467 reviews

Overall

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Frontier
5.6
Fair
2,809 reviews
Delta
7.8
Good
8,467 reviews

Overall

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.

  • What airport do you fly from for flights from Knoxville to Phoenix Sky Harbor Intl?

    Most people fly from Knoxville McGhee Tyson (TYS) if they book a flight from Knoxville to Phoenix Sky Harbor Intl. On average, McGhee Tyson has 0 outbound flights to Phoenix Sky Harbor Intl per day from 6 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from Knoxville to Phoenix Sky Harbor Intl Airport?

    Delta and Southwest can get you from Knoxville to Phoenix Sky Harbor Intl Airport in just under 6h 15m. Your travel time can differ by up to 3h 09m. The distance between Knoxville and Phoenix Sky Harbor Intl Airport is about 1594 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Knoxville to Phoenix Sky Harbor Intl Airport round-trip?

    Cheapflights users have booked flights from Knoxville to Phoenix Sky Harbor Intl Airport round-trip from $119. Other airlines that can offer you cheap pricing are Frontier, from $125, and Delta, from $130. Allegiant Air is priced at 65% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to Phoenix Sky Harbor Intl Airport one-way?

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Allegiant Air and American Airlines, with prices starting from $71 and $125, respectively.

  • What are the cheapest flights from Knoxville to Phoenix Sky Harbor Intl Airport?

    The cheapest flight price from Knoxville to Phoenix Sky Harbor Intl Airport is $148. On average you can expect to pay $276. The most popular route, (Knoxville McGhee Tyson - Phoenix Sky Harbor Intl), can usually be booked for $137.

  • Can I find deals for flights from Knoxville to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Knoxville to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Sky Harbor Intl.

  • Can I find deals for business class flights from Knoxville to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Knoxville to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $189). 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.

See more FAQs

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 locations
Glendale
Buckeye
Goodyear
Surprise
Paradise Valley
Wickenburg
Peoria
Payson
Casa Grande
Chandler
Camp Verde
Globe
Fountain Hills
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Knoxville to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated July 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$119Average$275FlexibilityNo cancel feeOn-time88%
FrontierCheapest$125Average$327FlexibilityNo cancel feeOn-time62%
DeltaCheapest$130Average$409FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$243Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$269Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$276Average$525FlexibilityNo cancel feeOn-time63%

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