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$64+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Jun 15 — Jun 221
Sun 6/15
Sun 6/22
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson are usually found in January or November, booked 47 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 10, 2025.

Round-trip from

$95
(Booking.com)

One-way from

$64
(Booking.com)

Popular in

December

Cheapest in

January

Average price

$288

Good round-trip deal

$122 or less

Good one-way deal

$104 or less
From Phoenix Sky Harbor Intl to Knoxville McGhee Tyson
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One-way flight from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Knoxville McGhee Tyson.
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Find flight deals from Sky Harbor Intl to Knoxville

Cheapest flights from Sky Harbor Intl to Knoxville
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 10, 2025.

This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/222:56 pmPHX - TYS
Nonstop3h 37mAllegiant Air
Thu 7/316:00 amTYS - PHX
Nonstop3h 49mAllegiant Air
Deal found 6/8$95
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:39 amPHX - TYS
Nonstop3h 32mMultiple Airlines
Wed 8/64:08 pmTYS - PHX
2 stops26h 54mMultiple Airlines
Deal found 6/8$208
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 10/211:09 amPHX - TYS
1 stop5h 32mFrontier
Thu 10/98:22 pmTYS - PHX
1 stop6h 07mFrontier
Deal found 6/8$226
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.
Fri 10/2412:25 amPHX - TYS
1 stop9h 06mAmerican Airlines
Sat 11/86:24 pmTYS - PHX
1 stop6h 01mAmerican Airlines
Deal found 6/8$251
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.
Tue 9/2311:55 pmPHX - TYS
1 stop6h 16mDelta
Tue 9/305:30 amTYS - PHX
1 stop6h 51mDelta
Deal found 6/8$257
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 9/2412:40 pmPHX - TYS
1 stop6h 55mUnited Airlines
Tue 9/3010:51 amTYS - PHX
2 stops10h 53mUnited Airlines
Deal found 6/8$346

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 10, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Knoxville that are best for you.

Fly from

Sky Harbor Intl

Fly to

Knoxville

Route

Depart

Return

Price

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 7/22

2:56 pm-9:33 pm

Nonstop3h 37m

Knoxville McGhee Tyson

Thu 7/31

6:00 am-6:49 am

Nonstop3h 49m

$95

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sun 8/3

7:39 am-2:11 pm

Nonstop3h 32m

Knoxville McGhee Tyson

Wed 8/6

4:08 pm-4:02 pm

2 stops26h 54m

$208

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 10/2

11:09 am-7:41 pm

1 stop5h 32m

Knoxville McGhee Tyson

Thu 10/9

8:22 pm-11:29 pm

1 stop6h 07m

$226

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Fri 10/24

12:25 am-12:31 pm

1 stop9h 06m

Knoxville McGhee Tyson

Sat 11/8

6:24 pm-10:25 pm

1 stop6h 01m

$251

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 9/23

11:55 pm-9:11 am

1 stop6h 16m

Knoxville McGhee Tyson

Sat 9/27

6:10 pm-10:59 pm

1 stop7h 49m

$257

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Wed 9/24

12:40 pm-10:35 pm

1 stop6h 55m

Knoxville McGhee Tyson

Tue 9/30

10:51 am-6:44 pm

2 stops10h 53m

$346

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sat 11/1

7:00 am-11:47 pm

2 stops13h 47m

Knoxville McGhee Tyson

Sat 11/8

12:16 pm-10:55 am

2 stops24h 39m

$439

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sun 8/3

7:39 am-2:11 pm

Nonstop3h 32m

$64

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 10/2

11:09 am-7:41 pm

1 stop5h 32m

$108

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Mon 8/4

12:57 am-12:34 pm

1 stop8h 37m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 14 results
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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.
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

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Knoxville. Price data was last updated on June 9, 2025.

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 47 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, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Knoxville (average of $296). Flying from Phoenix Sky Harbor Intl Airport to Knoxville in March is currently the most expensive (average of $376). 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 Sky Harbor Intl 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 June 10, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 64% versus a flight in the evening.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Knoxville. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Knoxville flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 10, 2025.
To help decide which airline to fly from Phoenix to Knoxville, see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,952 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,782 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
727 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    If you book a flight to Knoxville from Phoenix Sky Harbor Intl, you will be flying to McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from Phoenix Sky Harbor Intl to McGhee Tyson per day from 5 different airlines.

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

    Allegiant Air, at $95, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Knoxville.Alternate airlines to your destination round-trip include Frontier and American Airlines. These flights start at 69% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Knoxville are Allegiant Air ($64), Frontier ($108), and American Airlines ($126).

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

    Looking at all options, your cheapest flight can be booked for $64. While the most popular route (Phoenix Sky Harbor Intl - Knoxville McGhee Tyson) can be booked for $95 on average our data indicates $173 when flying from Phoenix Sky Harbor Intl Airport to Knoxville.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Knoxville 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 Phoenix Sky Harbor Intl Airport to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Knoxville (average of $296). Flying from Phoenix Sky Harbor Intl Airport to Knoxville in March is currently the most expensive (average of $376). 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
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

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Alternative routes for Sky Harbor Intl to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Nashville flights
Sky Harbor Intl to Memphis flights
Sky Harbor Intl to Chattanooga flights
Sky Harbor Intl to Blountville flights

Top 5 airlines flying from Sky Harbor Intl to Knoxville

Discover the top 5 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$184FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$114Average$217FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$263Average$453FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$391FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$490FlexibilityNo cancel feeOn-time71%

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