Southwest® flights from Knoxville to Tucson from $219

Promo Code

Low fares from Knoxville to Tucson

$

Knoxville (TYS)to

Tucson (TUS)
Depart: 04/09/2026

One-way

Basic

From
$219

Low fares from Knoxville to Tucson

$

Knoxville (TYS)to

Tucson (TUS)
Depart: 04/09/2026

One-way

Basic

From
$219
Seen: 3 hrs ago

Knoxville (TYS)to

Tucson (TUS)
Depart: 04/10/2026

One-way

Basic

From
$229
Seen: 3 hrs ago

Knoxville (TYS)to

Tucson (TUS)
Depart: 04/09/2026

One-way

Choice

From
$259
Seen: 3 hrs ago

Knoxville (TYS)to

Tucson (TUS)
Depart: 04/10/2026

One-way

Choice

From
$269
Seen: 3 hrs ago

Knoxville (TYS)to

Tucson (TUS)
Depart: 03/06/2026

One-way

Basic

From
$314
Seen: 10 hrs ago

Knoxville (TYS)to

Tucson (TUS)
Depart: 04/09/2026

One-way

Choice Preferred

From
$339
Seen: 3 hrs ago

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Explore flights from Knoxville to Tucson

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

Flight Details

Departing from:
Mc Ghee Tyson Airport
Arriving at:
Tucson International Airport
Distance:
1563 miles

Route Information

35† Weekly flights

† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

Questions we hear the most

There are 35 weekly flights from Knoxville to Tucson on Southwest Airlines.
To find the lowest fares by day and time to fly Knoxville to Tucson with Southwest, check out our Low Fare Calendar.
You can rent a car at Tucson International Airport book yours with your flight.
Yes! Flights from Knoxville to Tucson—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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