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$879+ Cheap flights from Montana 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SYD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Montana to Australia

Keep the following information in mind while searching for Montana to Australia flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$880
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$1,258
Provider with most accurate pricing for Bozeman Gallatin Field-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Sydney Kingsford Smith flights.
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From Montana to Australia
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Highest demand for flights based on searches. 29% potential increase in price ($696 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($138 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Montana to Australia

Cheapest flights from Montana to Australia
Explore the most affordable flight options available from Montana to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 10/16:15 amMSO - SYD
2 stops32h 40mUnited Airlines
Thu 11/2011:20 amSYD - MSO
2 stops28h 06mUnited Airlines
Deal found 2/20$879
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:38 pmMSO - SYD
1 stop25h 27mAmerican Airlines
Thu 11/207:30 amSYD - MSO
2 stops23h 09mAmerican Airlines
Deal found 2/20$1,072
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/111:18 pmBZN - SYD
1 stop26h 47mUnited Airlines
Wed 3/2611:20 amSYD - BZN
1 stop18h 03mUnited Airlines
Deal found 2/20$1,329
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:31 amFCA - SYD
3 stops32h 34mUnited Airlines
Sun 11/3012:10 pmSYD - FCA
2 stops63h 58mUnited Airlines
Deal found 2/19$1,378
This Jetabroad deal was found by Cheapflights users on 2/20. 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.
Wed 10/16:30 pmMSO - SYD
3 stops33h 15mHawaiian Airlines
Thu 11/209:40 pmSYD - MSO
2 stops20h 19mHawaiian Airlines
Deal found 2/20$1,506
This Air New Zealand deal was found by Cheapflights users on 2/20. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:51 amBZN - SYD
3 stops28h 54mMultiple Airlines
Wed 3/261:55 pmSYD - BZN
3 stops24h 15mMultiple Airlines
Deal found 2/20$1,898
This Qatar Airways deal was found by Cheapflights users on 2/20. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:42 amMSO - SYD
2 stops42h 28mMultiple Airlines
Sat 5/242:15 pmSYD - MSO
3 stops43h 44mMultiple Airlines
Deal found 2/20$2,818
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:00 pmFCA - SYD
2 stops57h 45mAlaska Airlines
Sun 11/309:40 pmSYD - FCA
2 stops30h 38mAlaska Airlines
Deal found 2/19$8,065

Find flights from Montana to Australia within your budget

Customize your flight search to find flights from Montana 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 February 20, 2025.

Fly from

Montana

Fly to

Australia

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 5/8

6:15 am-7:00 am

2 stops32h 45m

Sydney Kingsford Smith

Sat 5/24

10:20 am-3:39 pm

1 stop21h 19m

$880

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 3/11

1:18 pm-9:05 am

1 stop26h 47m

Sydney Kingsford Smith

Wed 3/26

11:20 am-12:23 pm

1 stop18h 03m

$1,329

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 3/11

10:51 am-8:45 am

3 stops28h 54m

Sydney Kingsford Smith

Wed 3/26

1:55 pm-9:10 pm

3 stops24h 15m

$1,898

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 5/8

6:42 am-5:10 pm

2 stops42h 28m

Sydney Kingsford Smith

Sat 5/24

2:15 pm-5:59 pm

3 stops43h 44m

$2,818

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Montana to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Montana 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.

Travel insights for flights from Montana to Australia

Get recent, data-driven insights about flights from Montana to Australia including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from MT to AU?

Find hourly flight availability from Montana to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Montana to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated February 20, 2025.
United Airlines
7.4
Good
8,766 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana 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 Montana to Australia?

    Currently, February is the cheapest month in which you can book a flight from Montana to Australia (average of $1,051). Flying from Montana to Australia in December is currently the most expensive (average of $1,643). 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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Top airline flying from Montana to Australia

Discover the top airline that operate flights from Montana to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$904Average$1,600FlexibilityNo cancel feeOn-time69%
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