Travelers have found it’s best to book a flight 61 days in advance to save up to 0% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Montana to Bangkok 1-2 weeks in advance for as low as $818, or $818 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Bangkok. Flights to Bangkok from Montana in April are about $858 on average during April, but can be found for as low as $578.