Starting at $244
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Starting at $244
The cheapest one-way flight from Chicago to Idaho Falls departs on 10/15/2025, is operated by Alaska Airlines and costs $244
There is no information about the cheapest roundtrip flight from Chicago to Idaho Falls
Fastest non-stop flight from Chicago to Idaho Falls takes 13h 38m
There are no direct flights on this route.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Idaho Falls
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to Idaho Falls. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Below you will find a list of airlines operating flights on the Chicago — Idaho Falls route and the starting prices for flights of each specific airline on it.
A direct flight is the most convenient and comfortable way to fly from Chicago to Idaho Falls, despite the fact that sometimes flights with transfers can cost significantly less.
Unfortunately, we were unable to find any airports in Idaho Falls. We'll try to look better another time
Unfortunately, we were unable to find any airports in Chicago. We'll try to look better another time
There appear to be no direct flights from Chicago to Idaho Falls at this time.... Well, or something went wrong on our side and we couldn't find anything
The cheapest flight ticket from Chicago to Idaho Falls according to data for the last 48 hours costs $244
Often the best time to buy tickets from Chicago to Idaho Falls is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Idaho Falls can be found flying in these months: October, January.
The fastest flights from Chicago to Idaho Falls start from 13 hours 38 minutes in the air.
The following airlines operate direct flights on the route Chicago — Idaho Falls:
We couldn't find any special offers for flights from Chicago to Idaho Falls