Scroll through the results for cheap flights to Helena in the USA. To get the best deal, we'd advise booking in advance, particularly if you want to fly with a specific airline. Check your dates and see.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
But if you're struggling to find flights to Helena that work for you, try looking at other airports in the USA. We've compared 30 flights across the globe so far today, so there's bound to be one that suits you.
You can also broaden your search by looking at more than one departure airport. Have a look around – you might be able to save by flying from a different airport or city.