$110 Cheap Frontier Airlines flights St. Louis (STL) to Chicago (ORD)

$110 Cheap Frontier Airlines flights St. Louis (STL) to Chicago (ORD)

Prices were available within the past 7 days and start at $110 for one-way flights and $202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 29 - Mon, Sep 1

STL

St. Louis

ORD

Chicago

$202 Roundtrip, found 1 day ago

$202

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 29 from St. Louis to Chicago, returning Mon, Sep 1, priced at $202 found 1 day ago

Fri, Aug 29 - Mon, Sep 1

STL

St. Louis

ORD

Chicago

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 29 from St. Louis to Chicago, returning Mon, Sep 1, priced at $238 found 1 day ago

Fri, Aug 29 - Mon, Sep 1

STL

St. Louis

ORD

Chicago

$240 Roundtrip, found 1 day ago

$240

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 29 from St. Louis to Chicago, returning Mon, Sep 1, priced at $240 found 1 day ago