HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phoenix

$70+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHX
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 January or July, booked 59 days in advance, depart on a Thursday or Tuesday and return on a Monday

Cheap 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 April 15, 2025.

Round-trip from

$140
(Mytrip)

One-way from

$70
(Mytrip)

Popular in

February

Cheapest in

January

Average price

$316
From Knoxville McGhee Tyson to Phoenix
Search Deals
One-way flight from Knoxville McGhee Tyson to Phoenix
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Knoxville to Phoenix

Cheapest flights from Knoxville to Phoenix
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 April 15, 2025.

This Booking.com deal was found by Cheapflights users on 4/14. 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 8/211:52 pmTYS - PHX
Nonstop4h 15mAllegiant Air
Sun 8/243:57 pmPHX - TYS
Nonstop3h 27mAllegiant Air
Deal found 4/14$110
This Mytrip deal was found by Cheapflights users on 4/15. 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 5/41:55 pmTYS - PHX
Nonstop4h 21mMultiple Airlines
Fri 5/99:19 amPHX - TYS
1 stop9h 40mMultiple Airlines
Deal found 4/15$228
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/257:00 amTYS - PHX
1 stop7h 19mUnited Airlines
Fri 5/3011:20 pmPHX - TYS
1 stop7h 49mUnited Airlines
Deal found 4/14$261
This CheapOair deal was found by Cheapflights users on 4/14. 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 4/174:31 pmTYS - PHX
1 stop26h 23mFrontier
Sun 4/206:00 amPHX - TYS
1 stop6h 46mFrontier
Deal found 4/14$270
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/307:54 pmTYS - PHX
1 stop7h 04mAmerican Airlines
Sun 6/111:45 pmPHX - TYS
1 stop8h 25mAmerican Airlines
Deal found 4/14$284
This Delta deal was found by Cheapflights users on 4/14. 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 6/265:57 pmTYS - PHX
1 stop7h 46mDelta
Mon 6/3011:59 pmPHX - TYS
1 stop8h 09mDelta
Deal found 4/14$289
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Fri 5/307:50 pmTYS - PHX
2 stops20h 15mAlaska Airlines
Sun 6/13:20 pmPHX - TYS
2 stops17h 21mAlaska Airlines
Deal found 4/15$568

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 April 15, 2025.
Use the filters below to find and compare flights from Knoxville to Phoenix that are best for you.

Fly from

Knoxville

Fly to

Phoenix

Route

Depart

Return

Price

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 8/21

1:52 pm-3:07 pm

Nonstop4h 15m

Phoenix Sky Harbor Intl

Sun 8/24

3:57 pm-10:24 pm

Nonstop3h 27m

$110

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sun 5/4

1:55 pm-3:16 pm

Nonstop4h 21m

Phoenix Sky Harbor Intl

Fri 5/9

9:19 am-9:59 pm

1 stop9h 40m

$228

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sun 5/25

7:00 am-11:19 am

1 stop7h 19m

Phoenix Sky Harbor Intl

Fri 5/30

11:20 pm-10:09 am

1 stop7h 49m

$261

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 5/16

7:54 pm-11:58 pm

1 stop7h 04m

Phoenix Sky Harbor Intl

Sat 5/17

6:00 am-5:31 pm

1 stop8h 31m

$270

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 6/26

5:45 am-9:10 am

1 stop6h 25m

Phoenix Sky Harbor Intl

Sun 6/29

11:59 pm-11:08 am

1 stop8h 09m

$289

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Fri 5/30

7:50 pm-1:05 pm

2 stops20h 15m

Phoenix Sky Harbor Intl

Sun 6/1

3:20 pm-11:41 am

2 stops17h 21m

$568

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Sun 6/22

5:25 pm-9:15 pm

2 stops30h 50m

Phoenix Sky Harbor Intl

Sun 6/29

7:18 am-4:29 pm

1 stop6h 11m

$622

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 5/29

6:00 am-7:15 am

Nonstop4h 15m

$70

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 5/29

6:28 pm-10:19 pm

1 stop6h 51m

$115

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 5/29

7:50 pm-1:05 pm

2 stops20h 15m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 13 results
1
2

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.
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

How far ahead should I book a flight from Knoxville to Phoenix?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Phoenix. Price data was last updated on April 11, 2025.

Booking 59 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.

What is the cheapest month to book a flight from Knoxville to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Knoxville to Phoenix (average of $258). Flying from Knoxville to Phoenix in March is currently the most expensive (average of $337). 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 TYS to PHX?

Find hourly flight availability from Knoxville to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Phoenix in the morning. If you’re flexible enough to do this you can expect to save up to 60% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Knoxville to Phoenix?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Phoenix. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Knoxville to Phoenix flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Phoenix by month

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

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

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

If weather is an important factor for your trip to Phoenix, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 April 15, 2025.
Read through reviews of airlines operating flights from Knoxville to Phoenix, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    If you book a flight to Phoenix from Knoxville, you will be flying from 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 McGhee Tyson to Phoenix per day from 5 different airlines.

  • What are the cheapest airlines flying from Knoxville to Phoenix round-trip?

    Flying on Allegiant Air is currently your cheapest option to Phoenix, with prices starting at $140. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $261 and $270, respectively. Allegiant Air is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Knoxville to Phoenix one-way?

    $70 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $115 and $170, respectively.

  • What are the cheapest flights from Knoxville to Phoenix?

    Looking at all options, your cheapest flight can be booked for $85. While the most popular route (Knoxville McGhee Tyson - Phoenix Sky Harbor Intl) can be booked for $110 on average our data indicates $169 when flying from Knoxville to Phoenix.

  • Can I find deals for flights from Knoxville to Phoenix that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Phoenix?

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

  • Can I find deals for business class flights from Knoxville to Phoenix?

    Yes. Cheapflights offers flight deals from Knoxville to Phoenix 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?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Phoenix (average of $258). Flying from Knoxville to Phoenix in March is currently the most expensive (average of $337). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Knoxville to Phoenix

Discover the top 5 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$118Average$233FlexibilityNo cancel feeOn-time88%
DeltaCheapest$128Average$466FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$138Average$278FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$284Average$598FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$509FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.