Our data shows that November tends to be the cheapest month to fly to Montana from St. Louis. Users have commonly found prices around $336 for the month, but tickets can be as low as $149. Due to multiple factors, prepare for potentially higher prices in March.
When flying from St. Louis to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Travelers have found it’s best to book a flight 34 days in advance to save up to 94% 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 34 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 St. Louis to Montana 1-2 weeks in advance for as low as $403, or $490 for flights within the next 24 hours.
||$108||$228||No cancel fee||62%|
||$129||$377||No cancel fee||71%|
||$139||$416||No cancel fee||N/A|
||$152||$422||No cancel fee||69%|