Cheap Frontier Airlines flights Knoxville (TYS) to Ontario (ONT)

Cheap Frontier Airlines flights Knoxville (TYS) to Ontario (ONT)

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, Aug 14 - Mon, Aug 25

TYS

Knoxville

ONT

Ontario

$326 Roundtrip, found 5 days ago

$326

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Knoxville to Ontario, returning Mon, Aug 25, priced at $326 found 5 days ago