HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$1,390+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SYD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/106:30 amHLN - MEL
2 stops33h 00mUnited Airlines
Wed 12/1711:30 amMEL - HLN
2 stops27h 52mUnited Airlines
Deal found 10/26$1,390
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:30 amHLN - MEL
3 stops32h 30mDelta
Wed 12/1710:10 amMEL - HLN
2 stops30h 20mDelta
Deal found 10/26$4,590

Cheap flight deals from Helena to Australia

Keep the following information in mind while searching for Helena to Australia flight deals. Data was last updated October 28, 2025.

Round-trip from

$1,390
(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 October 28, 2025.
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

Wed 12/10

6:30 am-9:30 am

2 stops33h 00m

Melbourne

Wed 12/17

11:30 am-9:22 pm

2 stops27h 52m

$1,390

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Tue 3/17

6:15 am-6:30 am

2 stops32h 15m

Brisbane

Sat 3/21

10:40 am-8:59 pm

2 stops26h 19m

$2,062

HelenaMelbourne

HLN - MEL

HLNMEL

Helena

Wed 12/10

5:30 am-8:00 am

3 stops32h 30m

Melbourne

Wed 12/17

10:10 am-10:30 pm

2 stops30h 20m

$4,590

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 January is currently the most expensive (average of $1,665). 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 and Delta can get you from Helena to Australia in just under 32h 30m. Your travel time can differ by up to 30m. The distance between Helena and Australia is about 8604 mi. This flight may include one or multiple stops.

  • 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 January is currently the most expensive (average of $1,665). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.