On this page, you can find and book flights from Chicago to Idaho Falls. Flights on this route cover a distance of 2,001 km, with a frequency of approximately 5 departures per week.
The main carriers on this route are United Airlines and American Airlines. Ticket prices are constantly changing, so we recommend checking the price dynamics chart before booking, as well as information on how to get to the airport in Chicago and how to get from the airport to your final destination.
The table shows direct flights Chicago → Idaho Falls on the selected date. The flight takes approximately 3 h 33 min. Regular flights are operated by American Airlines and United Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Idaho Falls Regional Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Chicago — Idaho Falls by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 576 in e, and the most expensive are around AED 748 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Chicago → Idaho Falls, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 863 | low | May | AED 938 | medium | Sep | AED 976 | medium |
| Feb | AED 788 | low | Jun | AED 1,051 | high | Oct | AED 938 | medium |
| Mar | AED 901 | medium | Jul | AED 1,089 | high | Nov | AED 1,013 | high |
| Apr | AED 863 | low | Aug | AED 901 | low | Dec | AED 1,051 | high |
Some values are estimated based on seasonality.
The warmest month in Idaho Falls is July, when average high temperatures reach 32.2°C. The coldest weather is seen in January with temperatures as low as -7.7°C, while peak precipitation occurs in May—something to keep in mind when planning your trip.
From a budget perspective, the most affordable time to fly is October, with ticket prices starting AED 576. The most expensive month to fly is June, when minimum prices rise AED 1,186.
September or October are considered the optimal times to visit: during this period, prices drop while precipitation remains moderate. It is best to avoid June if you are looking for the most economical flight option.
Flights on the route from Chicago to Idaho Falls are operated by two main airlines: United Airlines and American Airlines. Together, they offer about 5 flights per week, providing passengers with both direct flights and options with connections at major hub airports. To see a detailed schedule for specific days of the week and choose the best departure time, please check the list of carriers below.
Flights Chicago — Idaho Falls depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Idaho Falls Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight covering a distance of 2,001 km takes an average of about 2 hours 30 minutes. Travel time may increase if the flight includes a connection in another city.
Regular air service between these cities is provided by United Airlines and American Airlines.
Ticket prices are dynamic and depend on the season and flight occupancy. You can always check the current minimum for specific dates in the low-price calendar on this page.
Flights land at the regional airport in Idaho Falls (IDA), which provides quick access to the city center or nearby national parks.
The best deals are usually available when booking 1–2 months before your trip. For this route, it is recommended to track prices for October, when demand and costs traditionally decrease.
Where travelers fly most — pick a route and check prices
