$45 Cheap Frontier Airlines flights Austin (AUS) to Chicago (ORD)

$45 Cheap Frontier Airlines flights Austin (AUS) to Chicago (ORD)

Prices were available within the past 7 days and start at $45 for one-way flights and $79 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 20 - Mon, Mar 2

AUS

Austin

ORD

Chicago

$79 Roundtrip, found 15 hours ago

$79

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Fri, Feb 20 from Austin to Chicago, returning Mon, Mar 2, priced at $79 found 15 hours ago

Fri, Feb 20 - Fri, Feb 27

AUS

Austin

ORD

Chicago

$90 Roundtrip, found 1 day ago

$90

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Feb 20 from Austin to Chicago, returning Fri, Feb 27, priced at $90 found 1 day ago

Fri, Feb 27 - Mon, Mar 9

AUS

Austin

ORD

Chicago

$91 Roundtrip, found 15 hours ago

$91

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Fri, Feb 27 from Austin to Chicago, returning Mon, Mar 9, priced at $91 found 15 hours ago

Mon, Mar 23 - Thu, Apr 9

AUS

Austin

ORD

Chicago

$92 Roundtrip, found 15 hours ago

$92

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Mar 23 from Austin to Chicago, returning Thu, Apr 9, priced at $92 found 15 hours ago

Mon, Feb 9 - Mon, Feb 23

AUS

Austin

ORD

Chicago

$109 Roundtrip, found 15 hours ago

$109

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Feb 9 from Austin to Chicago, returning Mon, Feb 23, priced at $109 found 15 hours ago

Mon, Feb 23 - Fri, Feb 27

AUS

Austin

ORD

Chicago

$110 Roundtrip, found 1 day ago

$110

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Feb 23 from Austin to Chicago, returning Fri, Feb 27, priced at $110 found 1 day ago