Flights from Helena to Boston lean towards being more expensive in September. Prices are generally better when you fly from Helena to Boston in August, with the cheapest ticket starting at $325.
A simple way to save on the total cost of your ticket is to fly from Helena to Boston at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.
Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 77% on your flight compared to booking on days when demand is much higher.