How to find the cheapest flight from
Idaho to Illinois
How far in advance should I book a flight from Idaho to Illinois?
Users have found that booking a flight from Idaho to Illinois at least 37 days early can save you up to 10% on average compared to booking a flight this week. If booking 37 days before your flight isn’t an option for you, users have found flights from Idaho to Illinois for as little as $177 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $177 for flights departing within the next 3 days.
One-way flights to Illinois from Idaho
The cheapest one-way flights from Idaho to Illinois
6:20 pm - 2:13 am
1:09 pm - 2:13 am
Related info for your journey
Useful info, stats and facts about Idaho to Illinois flights.
Destination points for flights from Idaho to Illinois
Destination information for Illinois
Things to know before you go. Useful info for your trip from Idaho to Illinois
Idaho Falls (IDA)