It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Our data shows that April tends to be the cheapest month to fly to Helena from Des Moines. Users have commonly found prices around $299 for the month, but tickets can be as low as $119. Due to multiple factors, prepare for potentially higher prices in December.
A simple way to save on the total cost of your ticket is to fly from Des Moines to Helena in the noon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.