Direct flights from Phoenix to Knoxville
2 nonstop flights a week on 1 airline. Zero layovers — one hop from PHX to TYS.
Flight time: about 3h17m nonstop
Which days does it fly?
When does it fly?
Departure times in Phoenix local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Allegiant AAY1433 | 7:48a | 3h32m | Thu |
| Allegiant AAY3028 | 5:25p | 3h2m | Sun |
Allegiant
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The route
One hop: PHX → TYSDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Phoenix (PHX) to Knoxville (TYS)
Phoenix Sky Harbor International Airport (PHX) has 2 nonstop flights a week to Knoxville (TYS), operated by Allegiant. No layovers, no connections — one hop out of PHX and you're there.
This route flies on Thursday and Sunday — check the schedule grid above before you pick a travel day. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Phoenix to Knoxville?
The nonstop flight from Phoenix (PHX) to Knoxville (TYS) takes about 3h17m in the air, based on recently observed nonstop departures.
How long does it take to drive from Phoenix to Knoxville?
Driving from Phoenix to Knoxville takes about 26h 28m behind the wheel — roughly 1,814 miles, or about 3 days of real driving. The nonstop flight takes about 3h17m.