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Knoxville

$71+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — TYS
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
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 62 days in advance, depart on a Monday or Thursday and return on a Thursday

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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Gotogate)

One-way from

$71
(Booking.com)

Popular in

July

Cheapest in

January

Average price

$352

Good round-trip deal

$168 or less

Good one-way deal

$136 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Knoxville McGhee Tyson flights.
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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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Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 21, 2025.

This Gotogate deal was found by Cheapflights users on 3/20. 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.
Thu 5/84:06 pmPHX - TYS
Nonstop3h 22mAllegiant Air
Thu 5/296:00 amTYS - PHX
Nonstop4h 15mAllegiant Air
Deal found 3/20$136
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Thu 4/242:34 pmPHX - TYS
1 stop28h 25mMultiple Airlines
Sun 4/271:55 pmTYS - PHX
Nonstop4h 21mMultiple Airlines
Deal found 3/20$216
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/1211:06 amPHX - TYS
1 stop8h 16mUnited Airlines
Sat 4/269:00 amTYS - PHX
1 stop7h 18mUnited Airlines
Deal found 3/20$229
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/1111:51 pmPHX - TYS
1 stop9h 11mAmerican Airlines
Sat 4/123:14 pmTYS - PHX
1 stop6h 03mAmerican Airlines
Deal found 3/20$253
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2811:55 pmPHX - TYS
1 stop8h 12mDelta
Wed 7/95:30 amTYS - PHX
1 stop6h 35mDelta
Deal found 3/20$257
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:00 amPHX - TYS
1 stop6h 41mFrontier
Sun 4/64:43 pmTYS - PHX
1 stop10h 14mFrontier
Deal found 3/20$338
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:00 amPHX - TYS
2 stops14h 55mAlaska Airlines
Sat 4/265:24 amTYS - PHX
2 stops11h 48mAlaska Airlines
Deal found 3/19$519

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 March 21, 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

Thu 5/8

4:06 pm-10:28 pm

Nonstop3h 22m

Knoxville McGhee Tyson

Thu 5/29

6:00 am-7:15 am

Nonstop4h 15m

$136

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 4/24

2:34 pm-9:59 pm

1 stop28h 25m

Knoxville McGhee Tyson

Sun 4/27

1:55 pm-3:16 pm

Nonstop4h 21m

$216

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sat 4/12

11:06 am-10:22 pm

1 stop8h 16m

Knoxville McGhee Tyson

Sat 4/26

9:00 am-1:18 pm

1 stop7h 18m

$229

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Fri 4/11

11:51 pm-12:02 pm

1 stop9h 11m

Knoxville McGhee Tyson

Sat 4/12

3:14 pm-6:17 pm

1 stop6h 03m

$253

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Sat 6/28

11:55 pm-11:07 am

1 stop8h 12m

Knoxville McGhee Tyson

Wed 7/9

5:30 am-9:05 am

1 stop6h 35m

$257

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 4/3

6:00 am-3:41 pm

1 stop6h 41m

Knoxville McGhee Tyson

Sun 4/6

4:43 pm-11:57 pm

1 stop10h 14m

$338

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Wed 4/23

6:00 am-11:55 pm

2 stops14h 55m

Knoxville McGhee Tyson

Sat 4/26

5:24 am-2:12 pm

2 stops11h 48m

$519

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 7/8

2:55 pm-9:32 pm

Nonstop3h 37m

$71

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Tue 4/15

1:09 am-11:13 am

1 stop7h 04m

$115

PhoenixKnoxville

PHX - TYS

PHXTYS

Phoenix Sky Harbor Intl

Thu 4/17

2:34 pm-9:59 pm

1 stop28h 25m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 14 results
1
2

Compare providers for flights from Sky Harbor Intl to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Knoxville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 Phoenix Sky Harbor Intl Airport-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Sky Harbor Intl with our price prediction graph.
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 March 14, 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 62 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 $295). 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 March 21, 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 in the morning, which can drop the price by up to 52% 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 March 16, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Knoxville flight should consider departing on Friday afternoons 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 March 21, 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
9,759 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,759 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,895 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
732 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,759 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $136, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Knoxville.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 60% 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 ($71), American Airlines ($115), and Frontier ($149).

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

    Looking at all options, your cheapest flight can be booked for $100. While the most popular route (Phoenix Sky Harbor Intl - Knoxville McGhee Tyson) can be booked for $122 on average our data indicates $183 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 $295). 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.
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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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$127Average$230FlexibilityNo cancel feeOn-time88%
FrontierCheapest$128Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$274Average$509FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$313Average$542FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$577FlexibilityNo cancel feeOn-time69%
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