To save on the cost of your flight from Billings to USA, book at least 56 days before your planned departure. Booking around this time can save you about 10% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $302 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $331.
February can be a great time to fly to USA from Billings with a flight ticket averaging about $296. Cheapflights users have found deals in the month of February for as cheap as $139. The most expensive prices can be found in the month of July.