How to find the cheapest flight from
Illinois to Idaho
How far in advance should I book a flight from Illinois to Idaho?
To save on the cost of your flight from Illinois to Idaho, book at least 45 days before your planned departure. Booking around this time can save you about 68% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $182 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $247.
What is the cheapest month to fly from Illinois to Idaho?
September can be a great time to fly to Idaho from Illinois with a flight ticket averaging about $172. Cheapflights users have found deals in the month of September for as cheap as $98. The most expensive prices can be found in the month of March.
One-way flights to Idaho from Illinois
The cheapest one-way flights from Illinois to Idaho
8:20 am - 4:53 pm
3:35 am - 1:35 pm
4:30 am - 4:54 pm
Related info for your journey
Useful info, stats and facts about Illinois to Idaho flights.
Destination information for Idaho
Things to know before you go. Useful info for your trip from Illinois to Idaho
Idaho Falls (IDA)