Question : How long are most people's visits to Chicago when they fly in from Kathmandu?
Answer : Of course you're not most people, but if you were, you'd stay roughly seven days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : For the month of February, the cheapest day to fly is Sunday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Do prices fluctuate more for this route than others?
Answer : Prices for KTM to ORD do fluctuate a lot more than the majority of routes. However, the sooner you book, the better price you tend to get.