$339 Cheap Frontier Airlines flights Chicago (ORD) to Knoxville (TYS)

$339 Cheap Frontier Airlines flights Chicago (ORD) to Knoxville (TYS)

Prices were available within the past 7 days and start at $339 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Mon, Oct 20

ORD

Chicago

TYS

Knoxville

$284 Roundtrip, found 2 days ago

$284

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 17 from Chicago to Knoxville, returning Mon, Oct 20, priced at $284 found 2 days ago

Thu, Oct 9 - Sun, Oct 12

ORD

Chicago

TYS

Knoxville

$478 Roundtrip, found 13 hours ago

$478

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Chicago to Knoxville, returning Sun, Oct 12, priced at $478 found 13 hours ago