Cheap Frontier Airlines flights Phoenix (PHX) to Knoxville (TYS)

Cheap Frontier Airlines flights Phoenix (PHX) to Knoxville (TYS)

Prices were available within the past 7 days and start at for one-way flights and $326 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 6 - Thu, Nov 13

PHX

Phoenix

TYS

Knoxville

$326 Roundtrip, found 10 hours ago

$326

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Thu, Nov 6 from Phoenix to Knoxville, returning Thu, Nov 13, priced at $326 found 10 hours ago