Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indonesia to Missoula as you normally would.
If you book a flight to Missoula from Indonesia, you will be flying to Johnson-Bell Field, which is the city’s only airport. Missoula Johnson-Bell Field (MSO) is located 8.9 km from the centre of Missoula.
This is defined as Denpasar Bali Ngurah Rai Airport (DPS) and Missoula Johnson-Bell Field Airport (MSO). Codes like Missoula Johnson-Bell Field Airport are often used to just call airports uniquely. Jakarta Soekarno-Hatta Intl Airport (CGK), Surabaya Juanda Airport (SUB), Praya Lombok Intl Airport (LOP), Medan Kuala Namu Intl Airport (KNO), Yogyakarta Intl Airport (YIA) are some additional IATA codes for airports related to your trip.