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$1,382+ Cheap flights from Helena (HLN) to Australia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SYD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Helena to Australia

Cheapest flights from Helena to Australia
Explore the most affordable flight options available from Helena to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:15 am
HLN
-
MEL
2 stops33h 45m
United Airlines
Tue 2/241:00 pm
MEL
-
HLN
2 stops26h 16m
United Airlines
Deal found 1/26$1,382
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:15 am
HLN
-
BNE
2 stops32h 15m
United Airlines
Sat 2/2811:40 am
BNE
-
HLN
2 stops26h 36m
United Airlines
Deal found 1/26$2,072

Find flight deals from Helena to Australia

Keep the following information in mind while searching for Helena to Australia flight deals. Data was last updated January 27, 2026.

Round-trip from

$1,382
(United Airlines)
From Helena to Australia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Helena to Australia that are best for you.

Fly from

Helena

Fly to

Australia

Route

Depart

Return

Price

HelenaMelbourne

HLN - MEL

HLNMEL

Helena

Fri 2/20

2:25 pm-9:30 am

2 stops25h 05m

Melbourne

Tue 2/24

11:30 am-9:16 pm

2 stops27h 46m

$1,382

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Tue 2/24

6:15 am-7:30 am

2 stops32h 15m

Brisbane

Sat 2/28

11:40 am-9:16 pm

2 stops26h 36m

$2,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Best time to book a flight from Helena to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Australia

What is the cheapest month to book a flight from Helena to Australia?

Currently, June is the cheapest month in which you can book a flight from Helena to Australia (average of $866). Flying from Helena to Australia in August is currently the most expensive (average of $2,292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Helena to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Helena to Australia?

    Helena (HLN), located 2.7 mi from the city center, is the airport you fly out of when you book flights from Helena to Australia.

  • How long is the flight from Helena to Australia?

    United Airlines can get you from Helena to Australia in just under 25h 05m. Your travel time can differ by up to . The distance between Helena and Australia is about 8604 mi.

  • Can I find deals for flights from Helena to Australia that include hotel bookings?

    Yes. In addition to deals on Helena to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Australia.

  • Can I find deals for business class flights from Helena to Australia?

    Yes. Cheapflights offers flight deals from Helena to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Australia?

    Currently, June is the cheapest month in which you can book a flight from Helena to Australia (average of $866). Flying from Helena to Australia in August is currently the most expensive (average of $2,292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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