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Cheap flights from Knoxville to Phoenix Sky Harbor Intl Airport from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Phoenix Sky Harbor Intl Airport departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Knoxville to Phoenix

Cheap round-trip flights

These are some of the best round-trip flight deals from Knoxville to Phoenix that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Knoxville to Phoenix.

Cheap last minute flights

Planning a quick getaway from Knoxville to Phoenix? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Phoenix, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Knoxville to Phoenix

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All round-trip flight deals to Phoenix

The cheapest plane tickets to Phoenix found on KAYAK recently.
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
5:06 pm - 10:33 pmPHX-TYS
3h 27mnonstop
$122Allegiant Air
Find Deal
Sun, Feb 2 - Thu, Feb 13
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
9:59 pm - 3:19 pmPHX-TYS
15h 20m1 stop
Sun, Jan 26 - Sat, Feb 1
4:19 pm - 9:45 amTYS-PHX
19h 26m1 stop
7:28 pm - 3:19 pmPHX-TYS
17h 51m1 stop
$140Frontier
Find Deal
Sun, Jan 26 - Sat, Feb 1
4:19 pm - 3:43 pmTYS-PHX
25h 24m1 stop
5:06 pm - 10:33 pmPHX-TYS
3h 27mnonstop
Sun, Feb 2 - Thu, Feb 13
4:23 pm - 11:57 pmTYS-PHX
10h 34m1 stop
5:50 am - 4:08 pmPHX-TYS
7h 18m1 stop
$210Frontier
Find Deal
Thu, Apr 17 - Thu, May 1
10:03 am - 2:54 pmTYS-PHX
6h 51m1 stop
6:00 am - 1:27 pmPHX-TYS
5h 27m1 stop
$469Delta
Find Deal
Sat, Feb 8 - Sat, Feb 15
4:25 pm - 9:49 amTYS-PHX
19h 24m1 stop
5:45 pm - 1:18 pmPHX-TYS
17h 33m2 stops
$481United Airlines
Find Deal
Tue, Feb 4 - Sat, Feb 8
7:00 am - 9:06 pmTYS-PHX
16h 06m2 stops
8:40 am - 10:30 pmPHX-TYS
11h 50m1 stop
$485United Airlines
Find Deal
Sat, Feb 22 - Wed, Feb 26
11:43 am - 9:49 pmTYS-PHX
12h 06m1 stop
5:00 am - 5:56 pmPHX-TYS
10h 56m1 stop
$507American Airlines
Find Deal
Tue, Jan 28 - Wed, Feb 5
3:54 pm - 10:36 pmTYS-PHX
8h 42m1 stop
12:59 am - 9:17 amPHX-TYS
6h 18m1 stop
$554American Airlines
Find Deal
Thu, Feb 13 - Mon, Feb 17
4:43 pm - 10:00 pmTYS-PHX
8h 17m1 stop
$116Frontier
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Sun, Mar 9
1:36 pm - 4:16 pmTYS-PHX
4h 40mnonstop
$117Allegiant Air
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Thu, Feb 13
2:50 pm - 4:16 pmTYS-PHX
4h 26mnonstop
$159Allegiant Air
Find Deal
Sun, Mar 9
1:50 pm - 1:50 pmTYS-PHX
26h 00m2 stops
Mon, Feb 17
1:50 pm - 1:50 pmTYS-PHX
26h 00m3 stops
Mon, Feb 17
6:45 am - 8:19 pmTYS-PHX
15h 34m2 stops
$333United Airlines
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Tue, Feb 11
4:59 pm - 10:54 amTYS-PHX
20h 55m2 stops
$334United Airlines
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Mon, Apr 28
5:28 am - 12:41 pmTYS-PHX
9h 13m1 stop
$380American Airlines
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Thu, Feb 13
6:11 pm - 11:17 pmTYS-PHX
7h 06m1 stop
$439American Airlines
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Mon, Jan 27
7:17 pm - 11:42 pmTYS-PHX
6h 25m1 stop
$529Delta
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Wed, Jan 15
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
3:54 pm - 9:18 pmPHX-TYS
3h 24mnonstop
$299Allegiant Air
Find Deal
Thu, Jan 9 - Sun, Jan 12
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
6:00 am - 3:16 pmPHX-TYS
7h 16m1 stop
Thu, Jan 9 - Sun, Jan 12
4:19 pm - 12:20 amTYS-PHX
10h 01m1 stop
6:00 am - 3:16 pmPHX-TYS
7h 16m1 stop
$400Frontier
Find Deal
Thu, Jan 9 - Sun, Jan 12
10:00 am - 12:09 pmTYS-PHX
28h 09m3 stops
8:18 pm - 3:14 pmPHX-TYS
16h 56m2 stops
Mon, Jan 13 - Fri, Jan 17
10:00 am - 12:09 pmTYS-PHX
28h 09m3 stops
11:56 am - 4:25 pmPHX-TYS
26h 29m3 stops
Mon, Jan 13 - Fri, Jan 17
4:25 pm - 11:47 amTYS-PHX
21h 22m1 stop
5:45 pm - 10:29 pmPHX-TYS
26h 44m1 stop
$680United Airlines
Find Deal
Mon, Jan 13 - Fri, Jan 17
4:25 pm - 1:28 pmTYS-PHX
23h 03m2 stops
7:19 pm - 10:29 pmPHX-TYS
25h 10m1 stop
$685United Airlines
Find Deal
Mon, Jan 13 - Fri, Jan 17
11:43 am - 4:20 pmTYS-PHX
6h 37m1 stop
12:47 am - 10:10 amPHX-TYS
7h 23m1 stop
$1,153American Airlines
Find Deal
Thu, Jan 9 - Sat, Jan 11
1:00 pm - 6:42 pmTYS-PHX
7h 42m1 stop
12:59 am - 12:18 pmPHX-TYS
9h 19m2 stops
$1,527Delta
Find Deal
Mon, Jan 13 - Thu, Jan 16
2:07 pm - 12:46 amTYS-PHX
12h 39m2 stops
12:59 am - 12:18 pmPHX-TYS
9h 19m2 stops
$2,236Delta
Find Deal
Mon, Jan 13 - Thu, Jan 16
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
5:06 pm - 10:33 pmPHX-TYS
3h 27mnonstop
$122Allegiant Air
Find Deal
Sun, Feb 2 - Thu, Feb 13
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
3:54 pm - 9:18 pmPHX-TYS
3h 24mnonstop
$170Allegiant Air
Find Deal
Sun, Jan 26 - Sun, Feb 9
1:36 pm - 4:16 pmTYS-PHX
4h 40mnonstop
5:06 pm - 10:33 pmPHX-TYS
3h 27mnonstop
$180Allegiant Air
Find Deal
Thu, Feb 20 - Sun, Feb 23
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
3:54 pm - 9:18 pmPHX-TYS
3h 24mnonstop
$214Allegiant Air
Find Deal
Thu, Feb 6 - Sun, Feb 9
12:33 pm - 3:04 pmTYS-PHX
4h 31mnonstop
3:54 pm - 9:18 pmPHX-TYS
3h 24mnonstop
$223Allegiant Air
Find Deal
Thu, Feb 6 - Sun, Feb 9
9:00 am - 11:26 amTYS-PHX
4h 26mnonstop
5:06 pm - 11:22 pmPHX-TYS
3h 16mnonstop
$247Allegiant Air
Find Deal
Sat, Mar 8 - Thu, Mar 13
1:36 pm - 4:16 pmTYS-PHX
4h 40mnonstop
5:06 pm - 10:30 pmPHX-TYS
3h 24mnonstop
$265Allegiant Air
Find Deal
Thu, Feb 27 - Sun, Mar 2
1:36 pm - 4:16 pmTYS-PHX
4h 40mnonstop
5:06 pm - 10:30 pmPHX-TYS
3h 24mnonstop
$269Allegiant Air
Find Deal
Thu, Feb 27 - Sun, Mar 2
1:55 pm - 3:16 pmTYS-PHX
4h 21mnonstop
4:06 pm - 10:28 pmPHX-TYS
3h 22mnonstop
$286Allegiant Air
Find Deal
Thu, Apr 17 - Thu, May 1
9:00 am - 11:26 amTYS-PHX
4h 26mnonstop
3:52 pm - 10:08 pmPHX-TYS
3h 16mnonstop
$290Allegiant Air
Find Deal
Sat, Mar 8 - Sat, Mar 15

Allegiant Air flights from Knoxville to Phoenix Sky Harbor Intl Airport

Our best Allegiant Air deals on Knoxville to Phoenix Sky Harbor Intl Airport flight tickets
Allegiant Air
Feb 2
TYS12:33 pmKnoxville McGhee Tyson
4h 31m
PHX3:04 pmPhoenix Sky Harbor Intl
Feb 13
PHX5:06 pmPhoenix Sky Harbor Intl
3h 27m
TYS10:33 pmKnoxville McGhee Tyson
Allegiant Air
Jan 26
TYS12:33 pmKnoxville McGhee Tyson
4h 31m
PHX3:04 pmPhoenix Sky Harbor Intl
Feb 9
PHX3:54 pmPhoenix Sky Harbor Intl
3h 24m
TYS9:18 pmKnoxville McGhee Tyson
Allegiant Air
Feb 20
TYS1:36 pmKnoxville McGhee Tyson
4h 40m
PHX4:16 pmPhoenix Sky Harbor Intl
Feb 23
PHX5:06 pmPhoenix Sky Harbor Intl
3h 27m
TYS10:33 pmKnoxville McGhee Tyson

Frontier flights from Knoxville to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on Knoxville to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Jan 26
TYS4:19 pmKnoxville McGhee Tyson
19h 26m
1 stop
PHX9:45 amPhoenix Sky Harbor Intl
Feb 1
PHX7:28 pmPhoenix Sky Harbor Intl
17h 51m
1 stop
TYS3:19 pmKnoxville McGhee Tyson
Frontier
Apr 17
TYS4:23 pmKnoxville McGhee Tyson
10h 34m
1 stop
PHX11:57 pmPhoenix Sky Harbor Intl
May 1
PHX5:50 amPhoenix Sky Harbor Intl
7h 18m
1 stop
TYS4:08 pmKnoxville McGhee Tyson
Frontier
Mar 6
TYS4:23 pmKnoxville McGhee Tyson
18h 07m
1 stop
PHX8:30 amPhoenix Sky Harbor Intl
Mar 9
PHX6:00 amPhoenix Sky Harbor Intl
6h 43m
1 stop
TYS3:43 pmKnoxville McGhee Tyson

See travel insights to Phoenix from

How to get the cheapest flight ticket from Knoxville to Phoenix Sky Harbor Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

In general, January is the cheapest month to fly from Knoxville to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $231. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of January, then departing from Knoxville during the month August is also very affordable. Most momondo users find prices during this month for around $242.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Knoxville is on a Thursday. momondo users have found tickets for Thursday departures for as low as $232. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $516. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

At noon is the cheapest time of day to fly from Knoxville to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $293. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $495. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Knoxville McGhee Tyson to Phoenix Sky Harbor Intl flight route?

Fly from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl for the best Knoxville McGhee Tyson - Phoenix Sky Harbor Intl flight prices

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

In general, most travelers find the cheapest time to book a flight to Phoenix Sky Harbor Intl Airport is about 29 days prior to their departure date when tickets on average are $329. However, in the past 72 hours, people saw flights from Knoxville for as low as $155.

What cabin class options are available on Knoxville McGhee Tyson to Phoenix Sky Harbor Intl flights?

There are 1 cabin classes available to choose from on Knoxville McGhee Tyson to Phoenix Sky Harbor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Knoxville to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of January 2025, prices for Knoxville to Phoenix Sky Harbor Intl Airport flights are approximately 67% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Phoenix Sky Harbor Intl Airport (TYS to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Phoenix Sky Harbor Intl Airport

Best Price Found

$116

Fastest flight time

4h 21m

Direct flights

Mon, Fri and Sun
The best one-way flight to Phoenix Sky Harbor Intl Airport from Knoxville in the past 72 hours is $116. The best round-trip flight deal from Knoxville to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $122.
The fastest flight from Knoxville to Phoenix Sky Harbor Intl Airport takes 4h 21m
Direct flights go from Knoxville to Phoenix Sky Harbor Intl Airport on Monday, Friday and Sunday. The only airline offering direct flights is Allegiant Air.

  • How far is Knoxville McGhee Tyson to Phoenix Sky Harbor Intl by plane?

    Knoxville McGhee Tyson and Phoenix Sky Harbor Intl are 1597.8 mi apart from one another. A reasonable flight in good conditions will take 4h 21m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The necessary travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Knoxville to Phoenix Sky Harbor Intl Airport?

  • What is the most popular airline from Knoxville to Phoenix Sky Harbor Intl Airport?


Best airlines flying from Knoxville to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Knoxville to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $120Free CancellationRating
7.3
799 reviews
Search Allegiant Air flights
FrontierPriceFrom $149Free CancellationRating
6.0
3,428 reviews
Search Frontier flights
DeltaPriceFrom $313Free CancellationRating
8.0
8,499 reviews
Search Delta flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
8,938 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Phoenix?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Phoenix for you.

Can I find flights from Knoxville to Phoenix with flexible booking policies on momondo?

momondo does allow users to show only those flights to Phoenix from Knoxville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Knoxville to Phoenix?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phoenix from Knoxville.

I’m not ready to book a flight from Knoxville to Phoenix right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Knoxville to Phoenix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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