HK$7,579+ Cheap flights to Helena
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30-7. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals to Helena
One-way flights to HelenaSearch for one-way flight options to Helena. Find affordable one-way fares based on user searches. Data last updated 6 June 2025.
Search for one-way flight options to Helena. Find affordable one-way fares based on user searches. Data last updated 6 June 2025.
Cheapflights Fare Finder
Locate flights to Helena that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 6 June 2025.
Use the filters below to find and compare flights to Helena that are best for you.
Fly from
Route
Departure
Return
Price
Hong KongHelena
HKG - HLN
HKGHLN
Hong Kong Intl
Wed 30-7
00:45-15:31
2 stops28h 46m
Best time to book a flight to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Helena
How long is the flight to Helena?
On average, a flight from Hong Kong to Helena takes 42 hours 15 minutes. Flights to Helena from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.
Rainfall in Helena by month
Plan your trip to Helena by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Helena ranges from 8.0 - 53.0 mm per month. June is typically the wettest month, when rainfall can reach 53.0 mm. February is typically the driest time to visit Helena when rainfall is around 8.0 mm.
Temperature in Helena by month
Plan your trip to Helena by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -6.0 C).
FAQs about flying to Helena
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Cheapflights helps you search for flights to Helena via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets to Helena?
Cheapflights helps you find that perfect flight to Helena by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights to Helena with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights to Helena, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights to Helena become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Helena today and book when you’re ready!