Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chhatrapati Shivaji Intl to Boise Air Terminal (Gowen Field) as you normally would.
In Mumbai, there will be less rainfall in Mumbai compared to Boise over the next 0 days.
With an average temperature of 34 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Boise are hotter than in Mumbai.