$331 Cheap American Airlines flights St. Louis (STL) to Idaho Falls (IDA)

$331 Cheap American Airlines flights St. Louis (STL) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at $331 for one-way flights and $758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 9 - Sun, Jul 13

STL

St. Louis

IDA

Idaho Falls

$758 Roundtrip, found 2 days ago

$758

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Jul 9 from St. Louis to Idaho Falls, returning Sun, Jul 13, priced at $758 found 2 days ago