Our data shows that April tends to be the cheapest month to fly to Helena from Heathrow. Users have commonly found prices around £885 for the month, but tickets can be as low as £695. Due to multiple factors, prepare for potentially higher prices in December.
When flying from Heathrow to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Helena for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Heathrow is roughly greater than that of Helena. You can assume this to be the case over the next 22 days.
Expect the weather to be around 31 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Helena is generally hotter than in Heathrow.