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

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

Prices were available within the past 7 days and start at for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 1 - Tue, Jul 21

TYS

Knoxville

ORD

Chicago

$240 Roundtrip, found 22 hours ago

$240

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Knoxville to Chicago, returning Tue, Jul 21, priced at $240 found 22 hours ago

Mon, Aug 10 - Tue, Aug 25

TYS

Knoxville

ORD

Chicago

$254 Roundtrip, found 22 hours ago

$254

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Aug 10 from Knoxville to Chicago, returning Tue, Aug 25, priced at $254 found 22 hours ago

Mon, Jul 6 - Tue, Jul 21

TYS

Knoxville

ORD

Chicago

$259 Roundtrip, found 22 hours ago

$259

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Jul 6 from Knoxville to Chicago, returning Tue, Jul 21, priced at $259 found 22 hours ago

Fri, Aug 14 - Tue, Sep 1

TYS

Knoxville

ORD

Chicago

$260 Roundtrip, found 22 hours ago

$260

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Aug 14 from Knoxville to Chicago, returning Tue, Sep 1, priced at $260 found 22 hours ago

Mon, Aug 10 - Thu, Aug 27

TYS

Knoxville

ORD

Chicago

$268 Roundtrip, found 22 hours ago

$268

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Aug 10 from Knoxville to Chicago, returning Thu, Aug 27, priced at $268 found 22 hours ago

Wed, Jun 17 - Thu, Jun 25

TYS

Knoxville

ORD

Chicago

$280 Roundtrip, found 22 hours ago

$280

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Jun 17 from Knoxville to Chicago, returning Thu, Jun 25, priced at $280 found 22 hours ago

Mon, Jul 20 - Thu, Jul 23

TYS

Knoxville

ORD

Chicago

$299 Roundtrip, found 22 hours ago

$299

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Jul 20 from Knoxville to Chicago, returning Thu, Jul 23, priced at $299 found 22 hours ago

Fri, Jun 19 - Thu, Jun 25

TYS

Knoxville

ORD

Chicago

$300 Roundtrip, found 22 hours ago

$300

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Jun 19 from Knoxville to Chicago, returning Thu, Jun 25, priced at $300 found 22 hours ago

Fri, Jul 17 - Tue, Aug 4

TYS

Knoxville

ORD

Chicago

$309 Roundtrip, found 22 hours ago

$309

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Jul 17 from Knoxville to Chicago, returning Tue, Aug 4, priced at $309 found 22 hours ago

Mon, Jun 8 - Thu, Jun 25

TYS

Knoxville

ORD

Chicago

$320 Roundtrip, found 22 hours ago

$320

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Jun 8 from Knoxville to Chicago, returning Thu, Jun 25, priced at $320 found 22 hours ago

Wed, Jul 1 - Sun, Jul 19

TYS

Knoxville

ORD

Chicago

$330 Roundtrip, found 22 hours ago

$330

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Jul 1 from Knoxville to Chicago, returning Sun, Jul 19, priced at $330 found 22 hours ago