We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Helena. You can choose from six airlines. At the moment, 01 / Jan / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
The most popular airlines offering flights to Helena are Delta Air Lines, Lufthansa & Austrian Airlines. Delta Air Lines is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
Generally speaking, the flight from London Heathrow to Helena takes around 17 hrs 50 mins. The fastest flight takes 16 hrs 55 mins to cover the 7311 km distance. You can view all flight times yourself in the results list.
If you need somewhere to stay for your trip to the USA, take a look at our accommodation options.
