$127 Find Cheap Flights from Chicago to Idaho - Compare and Save

The cheapest ticket to Idaho from Chicago found in the last 5 days was to Idaho Falls, at $319 round-trip. The most popular route is from Chicago O'Hare Intl Airport (ORD) to Boise (BOI), and the cheapest round-trip airline ticket found on this route in the last 5 days was $335.

The cheapest time of day to fly to Idaho is generally in the morning, when round-trip flights cost $397 on average. Morning departures are around 10% cheaper than evening flights, on average. The most expensive time of day to fly to Idaho is generally at night, which is peak travel time and where the average cost of a ticket is $570.

No, with an average price for the route of $557, prices are generally cheapest when you fly direct.

The cheapest month for flights from Chicago to Idaho is February, when tickets cost $323 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $558 and $478 respectively.

If your flying dates are flexible, you should consider flying to Idaho on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Chicago to Idaho. For your return ticket, we recommend flying on a Thursday and avoiding Sundays for the best deals.

To get a below average price on the flight from Chicago to Idaho, you should book around 7 weeks before departure, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

There are 3 airlines that fly nonstop from Chicago to Idaho. They are: American Airlines, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with United Airlines at $269 for a round-trip flight to Boise (BOI). On average, American Airlines offers the best prices for nonstop flights between Chicago and Idaho.

Chicago and Idaho are connected by different airlines. The airlines that fly that route the most regularly are American Airlines (23 flights per week), United Airlines (22 flights per week), and Air Canada (14 flights per week).

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from Chicago are to Boise, which takes 3h 38m, Idaho Falls, which takes 5h 11m, and Hailey, which takes 6h 50m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Chicago to Idaho departs at 8:40 am, landing in Boise at 11:28 am.

If you prefer to fly at night, the latest flight from Chicago to Idaho jets off at 7:51 pm and lands in Boise at 10:53 pm.