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Cheap flights from Knoxville to Arizona from $96

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 Arizona departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Arizona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
2:47 pm - 4:06 pm
TYS
-
LAS
4h 19mnonstop
Allegiant Air Logo
7:00 am - 1:57 pm
LAS
-
TYS
3h 57mnonstop
$152Allegiant Air
Fri, Aug 7 - Fri, Aug 14
Allegiant Air Logo
2:47 pm - 4:06 pm
TYS
-
LAS
4h 19mnonstop
Allegiant Air Logo
7:00 am - 1:57 pm
LAS
-
TYS
3h 57mnonstop
$160Allegiant Air
Fri, Aug 7 - Fri, Aug 14
Allegiant Air Logo
2:39 pm - 3:26 pm
TYS
-
PHX
3h 47mnonstop
Allegiant Air Logo
4:16 pm - 10:52 pm
PHX
-
TYS
3h 36mnonstop
$161Allegiant Air
Thu, Aug 20 - Thu, Aug 27
Multiple Airlines Logo
7:00 am - 8:49 pm
TYS
-
PHX
16h 49m
1 stop
Multiple Airlines Logo
4:16 pm - 10:52 pm
PHX
-
TYS
3h 36mnonstop
$227Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
Multiple Airlines Logo
2:34 pm - 3:32 pm
TYS
-
PHX
3h 58mnonstop
Multiple Airlines Logo
5:55 pm - 2:59 pm
PHX
-
TYS
18h 04m
1 stop
$241Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
American Airlines Logo
4:27 pm - 10:36 pm
TYS
-
TUS
8h 09m
1 stop
American Airlines Logo
4:46 pm - 11:50 pm
TUS
-
TYS
5h 04m
1 stop
$277American Airlines
Wed, Nov 18 - Wed, Dec 2
United Airlines Logo
4:25 pm - 8:42 pm
TYS
-
TUS
7h 17m
1 stop
United Airlines Logo
11:50 am - 7:34 pm
TUS
-
TYS
5h 44m
1 stop
$354United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
5:45 am - 5:15 pm
TYS
-
TUS
14h 30m
2 stops
United Airlines Logo
11:50 am - 7:34 pm
TUS
-
TYS
5h 44m
1 stop
$359United Airlines
Sat, Oct 31 - Tue, Nov 3
Delta Logo
5:57 pm - 10:56 pm
TYS
-
TUS
6h 59m
1 stop
Delta Logo
1:40 pm - 11:46 pm
TUS
-
TYS
8h 06m
1 stop
$363Delta
Tue, Dec 1 - Sun, Dec 6
American Airlines Logo
6:30 am - 2:07 pm
TYS
-
TUS
9h 37m
2 stops
American Airlines Logo
6:00 am - 3:32 pm
TUS
-
TYS
7h 32m
1 stop
$364American Airlines
Wed, Nov 18 - Wed, Dec 2

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Allegiant Air flights from Knoxville to Arizona

Our best Allegiant Air deals on Knoxville to Arizona flight tickets
Allegiant Air
Aug 7
TYS2:47 pmKnoxville McGhee Tyson
4h 19m
LAS4:06 pmLas Vegas Harry Reid Intl
Aug 14
LAS7:00 amLas Vegas Harry Reid Intl
3h 57m
TYS1:57 pmKnoxville McGhee Tyson
$152
Allegiant Air
Aug 7
TYS2:47 pmKnoxville McGhee Tyson
4h 19m
LAS4:06 pmLas Vegas Harry Reid Intl
Aug 14
LAS7:00 amLas Vegas Harry Reid Intl
3h 57m
TYS1:57 pmKnoxville McGhee Tyson
$160
Allegiant Air
Aug 20
TYS2:39 pmKnoxville McGhee Tyson
3h 47m
PHX3:26 pmPhoenix Sky Harbor Intl
Aug 27
PHX4:16 pmPhoenix Sky Harbor Intl
3h 36m
TYS10:52 pmKnoxville McGhee Tyson
$161

Frontier flights from Knoxville to Arizona

Our best Frontier deals on Knoxville to Arizona flight tickets
Frontier
Aug 14
TYS8:19 pmKnoxville McGhee Tyson
22h 25m
1 stop
PHX3:44 pmPhoenix Sky Harbor Intl
Aug 17
PHX8:40 amPhoenix Sky Harbor Intl
7h 44m
1 stop
TYS7:24 pmKnoxville McGhee Tyson
$242
Frontier
Aug 7
TYS8:19 pmKnoxville McGhee Tyson
17h 41m
1 stop
LAS11:00 amLas Vegas Harry Reid Intl
Aug 10
LAS6:00 amLas Vegas Harry Reid Intl
10h 24m
1 stop
TYS7:24 pmKnoxville McGhee Tyson
$244
Frontier
Aug 3
TYS8:19 pmKnoxville McGhee Tyson
6h 10m
1 stop
LAS11:29 pmLas Vegas Harry Reid Intl
Aug 10
LAS6:00 amLas Vegas Harry Reid Intl
10h 24m
1 stop
TYS7:24 pmKnoxville McGhee Tyson
$252

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Arizona 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, momondo users made 832,500 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Knoxville to Arizona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 8/7

2:47 pm-4:06 pm

Nonstop4h 19m

Las Vegas Harry Reid Intl

Fri 8/14

7:00 am-1:57 pm

Nonstop3h 57m

$152

KnoxvilleLas Vegas

TYS - LAS

TYSLAS

Knoxville McGhee Tyson

Fri 8/7

2:47 pm-4:06 pm

Nonstop4h 19m

Las Vegas Harry Reid Intl

Fri 8/14

7:00 am-1:57 pm

Nonstop3h 57m

$160
Quickest round-trip

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 8/20

2:39 pm-3:26 pm

Nonstop3h 47m

Phoenix Sky Harbor Intl

Thu 8/27

4:16 pm-10:52 pm

Nonstop3h 36m

$161

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 8/20

7:00 am-8:49 pm

1 stop16h 49m

Phoenix Sky Harbor Intl

Thu 8/27

4:16 pm-10:52 pm

Nonstop3h 36m

$227

KnoxvillePhoenix

TYS - PHX

TYSPHX

Knoxville McGhee Tyson

Thu 9/10

2:34 pm-3:32 pm

Nonstop3h 58m

Phoenix Sky Harbor Intl

Thu 9/17

5:55 pm-2:59 pm

1 stop18h 04m

$241

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 11/18

4:27 pm-10:36 pm

1 stop8h 09m

Tucson

Wed 12/2

4:46 pm-11:50 pm

1 stop5h 04m

$277

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sat 10/31

4:25 pm-8:42 pm

1 stop7h 17m

Tucson

Tue 11/3

11:50 am-7:34 pm

1 stop5h 44m

$354

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Sat 10/31

5:45 am-5:15 pm

2 stops14h 30m

Tucson

Tue 11/3

11:50 am-7:34 pm

1 stop5h 44m

$359

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Tue 12/1

5:57 pm-10:56 pm

1 stop6h 59m

Tucson

Sun 12/6

1:40 pm-11:46 pm

1 stop8h 06m

$363

KnoxvilleTucson

TYS - TUS

TYSTUS

Knoxville McGhee Tyson

Wed 11/18

6:30 am-2:07 pm

2 stops9h 37m

Tucson

Wed 12/2

6:00 am-3:32 pm

1 stop7h 32m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Arizona from

How to get the cheapest flight ticket from Knoxville to Arizona

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 Arizona?

The month of August is, on average, the cheapest month to fly to Arizona from Knoxville, with most prices found around $62. If you aren’t able to travel to Arizona during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $68.

What is the cheapest day to depart on your flight to Arizona?

On average, the least expensive day to fly to Arizona from Knoxville is on a Friday. momondo users have found tickets for Friday departures for as low as $211. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Arizona is Monday, with ticket prices averaging around $404.

What is the cheapest time of day to depart on your flight to Arizona?

Our most recent data shows that the best time of day to fly to Arizona is in the afternoon. Flights from Knoxville to Arizona during this time can be as low as $179. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $295 on average. Flights to Arizona from Knoxville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Knoxville McGhee Tyson to Arizona flight route?

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

How far in advance should I book a flight from Knoxville to Arizona?

You are more likely to see cheaper flights to Arizona from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Arizona for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Arizona from Knoxville for as low as $259 on momondo.

What cabin class options are available on Knoxville to Arizona flights?

There is only 1 cabin class available to choose from on Knoxville to Arizona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Knoxville to Arizona flights?

No. A direct flight is the cheapest option for a flight between Knoxville to Arizona.

Cheap Knoxville to Arizona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Arizona

Best Price Found

$127

Fastest flight time

3h 47m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Arizona

66 airports
The best one-way flight to Arizona from Knoxville in the past 72 hours is $127. The best round-trip flight deal from Knoxville to Arizona found on momondo in the last 72 hours is $290.
The fastest flight from Knoxville to Arizona takes 3h 47m
Direct flights go from Knoxville to Arizona on Monday, Tuesday, Friday, Saturday and Sunday. The only airline offering direct flights is Allegiant Air.
There are 66 airports in Arizona. From Knoxville there are direct flights to Phoenix Sky Harbor Intl (PHX), Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Knoxville to Arizona

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Arizona?

    Prices for flights from Knoxville McGhee Tyson Airport to Arizona were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Arizona?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Arizona?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Arizona.

  • What documentation or ID do you need to fly to Arizona?

    The travel and health documents required for your trip to Arizona can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Arizona. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Knoxville to Arizona?

Best airlines flying from Knoxville to Arizona

Compare and see reviews for airlines that fly from Knoxville to Arizona with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $118Free CancellationRating
7.3
704 reviews
Search Allegiant Air flights
FrontierPriceFrom $125Free CancellationRating
5.6
2,895 reviews
Search Frontier flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,401 reviews
Search Delta flights
United AirlinesPriceFrom $229Free CancellationRating
7.4
9,809 reviews
Search United Airlines flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,643 reviews
Search American Airlines flights

Why use momondo?

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

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 Arizona for you.

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

Yes. momondo allows you to filter the results for Knoxville to Arizona flights to just show those with flexible booking policies.

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

Once you have performed a search for Knoxville to Arizona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Knoxville to Arizona 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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