Cheap Frontier Airlines flights St. Louis (STL) to Sioux Falls (FSD)

Cheap Frontier Airlines flights St. Louis (STL) to Sioux Falls (FSD)

Prices were available within the past 7 days and start at for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 25 - Fri, Jun 27

STL

St. Louis

FSD

Sioux Falls

$205 Roundtrip, found 14 hours ago

$205

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jun 25 from St. Louis to Sioux Falls, returning Fri, Jun 27, priced at $205 found 14 hours ago