Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Qatar to Helena as you normally would.
Helena (HLN) is the airport you will fly into if you book a flight from Qatar to Helena. It is only a 4.3 km journey from Helena (HLN) to Helena’s city centre.
Great question - DOH to HLN just means Doha Hamad Intl Airport to Helena Airport. Now you’ll know what these unique codes when you look for flights!