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$1,648+ Cheap flights from Helena (HLN) to South Pacific

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SYD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Helena to South Pacific

Keep the following information in mind while searching for Helena to South Pacific flight deals. Data was last updated August 20, 2025.

Round-trip from

$1,648
(United Airlines)
From Helena to South Pacific
Search Deals

Find flight deals from Helena to South Pacific

Cheapest flights from Helena to South Pacific
Explore the most affordable flight options available from Helena to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/26:30 amHLN - MEL
2 stops33h 45mUnited Airlines
Thu 10/911:55 amMEL - HLN
2 stops26h 05mUnited Airlines
Deal found 8/18$1,648
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 11/3012:50 pmHLN - GUM
2 stops56h 45mDelta
Thu 12/44:50 pmGUM - HLN
2 stops46h 47mDelta
Deal found 8/17$2,162
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 11/306:40 amHLN - GUM
2 stops43h 10mUnited Airlines
Thu 12/47:25 amGUM - HLN
2 stops23h 22mUnited Airlines
Deal found 8/19$2,261
This Jetabroad deal was found by Cheapflights users on 8/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:02 pmHLN - MEL
3 stops25h 33mMultiple Airlines
Thu 10/99:45 amMEL - HLN
2 stops24h 56mMultiple Airlines
Deal found 8/18$4,705

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to South Pacific 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 August 20, 2025.
Use the filters below to find and compare flights from Helena to South Pacific that are best for you.

Fly from

Helena

Fly to

South Pacific

Route

Depart

Return

Price

HelenaMelbourne

HLN - MEL

HLNMEL

Helena

Thu 10/2

6:30 am-8:15 am

2 stops33h 45m

Melbourne

Thu 10/9

11:55 am-9:00 pm

2 stops26h 05m

$1,648

HelenaTamuning

HLN - GUM

HLNGUM

Helena

Sun 11/30

12:50 pm-2:35 pm

2 stops56h 45m

Tamuning Guam Intl

Thu 12/4

4:50 pm-10:37 pm

2 stops46h 47m

$2,162

HelenaTamuning

HLN - GUM

HLNGUM

Helena

Sun 11/30

6:40 am-6:50 pm

2 stops43h 10m

Tamuning Guam Intl

Thu 12/4

7:25 am-1:47 pm

2 stops23h 22m

$2,261

HelenaMelbourne

HLN - MEL

HLNMEL

Helena

Thu 10/2

4:02 pm-9:35 am

3 stops25h 33m

Melbourne

Thu 10/9

9:45 am-5:41 pm

2 stops24h 56m

$4,705

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Helena to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific 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 South Pacific

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

Currently, February is the cheapest month in which you can book a flight from Helena to South Pacific (average of $1,030). Flying from Helena to South Pacific in December is currently the most expensive (average of $1,620). 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 South Pacific. 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 South Pacific?

    Most people fly from Helena (HLN) if they book a flight from Helena to South Pacific. Helena is conveniently located just 2.7 mi from Helena’s city center.

  • How long is the flight from Helena to South Pacific?

    United Airlines and Delta can get you from Helena to South Pacific in just under 33h 45m. Your travel time can differ by up to 23h. Helena and South Pacific are separated by a distance of 8604 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Helena to South Pacific?

    The most popular route from Helena to South Pacific is Helena - Tamuning Guam Intl. You may also consider Helena - Melbourne or Helena - Brisbane.

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

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

  • How can I find direct flights from Helena to South Pacific?

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

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

    Yes. Cheapflights offers flight deals from Helena to South Pacific 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 South Pacific?

    Currently, February is the cheapest month in which you can book a flight from Helena to South Pacific (average of $1,030). Flying from Helena to South Pacific in December is currently the most expensive (average of $1,620). 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

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