Cheap Frontier Airlines flights Sioux Falls (FSD) to Chicago (ORD)

Cheap Frontier Airlines flights Sioux Falls (FSD) to Chicago (ORD)

Prices were available within the past 7 days and start at for one-way flights and $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 10 - Sun, Jun 14

FSD

Sioux Falls

ORD

Chicago

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Sioux Falls to Chicago, returning Sun, Jun 14, priced at $280 found 1 day ago

Mon, Jun 15 - Thu, Jun 18

FSD

Sioux Falls

ORD

Chicago

$345 Roundtrip, found 1 day ago

$345

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 15 from Sioux Falls to Chicago, returning Thu, Jun 18, priced at $345 found 1 day ago