Find cheap flights from Chicago to Idaho Falls starting at $145.
Book one-way or return flights from Chicago to Idaho Falls from as little as $145. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- MDW10:307h 49m1 stopIDA17:19Sat, May 4|Chicago - Idaho Falls|Frontier Airlines$145$31153% OFF53% OFF$311$145
- MDW05:0517h 2m1 stopIDA21:07Sat, May 18|Chicago - Idaho Falls|Frontier Airlines$183$31141% OFF41% OFF$311$183
- ORD06:009h 51m1 stopIDA14:51Fri, May 3|Chicago - Idaho Falls|Alaska Airlines$189$31139% OFF39% OFF$311$189
- ORD08:007h 51m1 stopIDA14:51Sat, May 4|Chicago - Idaho Falls|Alaska Airlines$189$189
- ORD06:009h 52m1 stopIDA14:52Tue, Jun 4|Chicago - Idaho Falls|Alaska Airlines$190$190
- ORD17:287h 29m1 stopIDA23:57Wed, May 22|Chicago - Idaho Falls|Alaska Airlines$197$197
- ORD06:009h 51m1 stopIDA14:51Sat, May 11|Chicago - Idaho Falls|Alaska Airlines$197$197
- MDW05:309h 6m1 stopIDA13:36Fri, May 3|Chicago - Idaho Falls|Frontier Airlines$199$199
- ORD05:005h 43m1 stopIDA09:43Sat, May 4|Chicago - Idaho Falls|United Airlines$215$215
- MDW21:2920h 46m1 stopIDA17:15Sat, May 11|Chicago - Idaho Falls|Frontier Airlines$232$232
- CHI13:003h 5mDirectIDA14:00Thu, May 9|Chicago - Idaho Falls|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Chicago to Idaho Falls.
- CheapestMDW10:307h 49m1 transferIDA17:19Midway International Airport - Idaho Falls Regional AirportSat, May 4Frontier Airlines$145
- ORD06:009h 51m1 transferIDA14:51O'Hare International Airport - Idaho Falls Regional AirportFri, May 3Alaska Airlines$189
- RFD21:3818h 37m1 transferIDA15:15Chicago Rockford International Airport - Idaho Falls Regional AirportThu, May 23Allegiant Air$272
- RFD21:3818h 37m1 transferIDA15:15Chicago Rockford International Airport - Idaho Falls Regional AirportThu, May 23Allegiant Air$272Find More Flights
Frequently Asked Questions
How to find a cheap flight from Chicago to Idaho Falls
Cheapest nonstop flight price | $145 |
---|---|
Off-season for travel | April |
Peak season for travel | July |
Flight distance | 1,997.76km |
Popular airline | American Airlines |
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