Cheap Flights from Chicago to Idaho Falls

Prices were available within the past 7 days and starts at $129 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Chicago to Idaho Falls route information

Origin Airport O'Hare Intl.
Destination Airport Idaho Falls Regional
Airlines Serving Delta, United
Flight Price $244
Distance 1,226 mi