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$1,153+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SYD
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,369
(Delta)

Popular in

December

Cheapest in

August

Average price

$1,413
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. 31% potential increase in price ($739 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($129 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 10/182:35 pmMSO - SYD
2 stops24h 30mAlaska Airlines
Sat 11/811:15 amSYD - MSO
2 stops30h 44mAlaska Airlines
Deal found 4/2$1,153
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 6/1711:59 amFCA - SYD
2 stops26h 36mDelta
Mon 6/309:25 amSYD - FCA
2 stops29h 21mDelta
Deal found 4/2$1,369
This United deal was found by Cheapflights users on 4/2. 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.
Sat 10/182:27 pmMSO - SYD
3 stops48h 33mUnited Airlines
Sat 11/811:20 amSYD - MSO
2 stops22h 50mUnited Airlines
Deal found 4/2$1,560
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/162:16 pmBZN - MEL
2 stops25h 59mUnited Airlines
Fri 5/239:30 amMEL - BZN
1 stop21h 20mUnited Airlines
Deal found 4/1$1,590
This Jetabroad deal was found by Cheapflights users on 4/1. 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.
Fri 5/165:32 amBZN - MEL
3 stops36h 33mHawaiian Airlines
Fri 5/236:00 pmMEL - BZN
3 stops32h 38mHawaiian Airlines
Deal found 4/1$1,656
This United Airlines deal was found by Cheapflights users on 4/2. 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 6/172:14 pmFCA - SYD
1 stop24h 46mUnited Airlines
Tue 7/110:20 amSYD - FCA
1 stop21h 11mUnited Airlines
Deal found 4/2$1,681
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Thu 4/171:32 pmMSO - SYD
1 stop25h 23mAmerican Airlines
Sat 5/108:25 pmSYD - MSO
2 stops32h 01mAmerican Airlines
Deal found 4/2$1,726
This United deal was found by Cheapflights users on 4/1. 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.
Tue 4/151:55 pmBZN - BNE
1 stop24h 35mUnited Airlines
Mon 4/2110:30 amBNE - BZN
1 stop18h 17mUnited Airlines
Deal found 4/1$2,004
This Qatar Airways deal was found by Cheapflights users on 4/2. 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.
Tue 10/212:35 pmMSO - SYD
2 stops34h 35mMultiple Airlines
Fri 11/76:15 pmSYD - MSO
3 stops41h 41mMultiple Airlines
Deal found 4/2$2,109
This Qatar Airways deal was found by Cheapflights users on 4/1. 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.
Tue 4/158:00 amBZN - BNE
2 stops41h 30mMultiple Airlines
Mon 4/214:35 pmBNE - BZN
3 stops47h 19mMultiple Airlines
Deal found 4/1$3,357
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1512:40 pmBZN - BNE
2 stops41h 40mEmirates
Sun 4/201:55 amBNE - BZN
2 stops73h 42mEmirates
Deal found 4/1$3,606

Cheapflights Fare Finder

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 April 3, 2025.
Use the filters below to find and compare flights from Montana to Australia that are best for you.

Fly from

Montana

Fly to

Australia

Route

Depart

Return

Price

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

Tue 6/17

11:59 am-6:35 am

2 stops26h 36m

Sydney Kingsford Smith

Mon 6/30

9:25 am-10:46 pm

2 stops29h 21m

$1,369

BozemanMelbourne

BZN - MEL

BZNMEL

Bozeman Gallatin Field

Fri 5/16

2:16 pm-8:15 am

2 stops25h 59m

Melbourne

Fri 5/23

9:30 am-2:50 pm

1 stop21h 20m

$1,590

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 4/17

6:42 am-7:45 pm

2 stops45h 03m

Sydney Kingsford Smith

Sat 5/10

9:40 pm-5:54 pm

2 stops36h 14m

$1,633

BozemanMelbourne

BZN - MEL

BZNMEL

Bozeman Gallatin Field

Fri 5/16

5:32 am-10:05 am

3 stops36h 33m

Melbourne

Fri 5/23

6:00 pm-10:38 am

3 stops32h 38m

$1,656

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

Tue 6/17

2:14 pm-7:00 am

1 stop24h 46m

Sydney Kingsford Smith

Tue 7/1

10:20 am-3:31 pm

1 stop21h 11m

$1,681

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 4/17

1:32 pm-6:55 am

1 stop25h 23m

Sydney Kingsford Smith

Sat 5/10

8:25 pm-12:26 pm

2 stops32h 01m

$1,726

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Tue 4/15

1:55 pm-6:30 am

1 stop24h 35m

Brisbane

Mon 4/21

10:30 am-12:47 pm

1 stop18h 17m

$2,004

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 4/17

2:35 pm-5:10 pm

2 stops34h 35m

Sydney Kingsford Smith

Sat 5/10

7:00 pm-5:54 pm

3 stops38h 54m

$3,213

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Tue 4/15

8:00 am-5:30 pm

2 stops41h 30m

Brisbane

Mon 4/21

4:35 pm-11:54 pm

3 stops47h 19m

$3,357

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Tue 4/15

12:40 pm-10:20 pm

2 stops41h 40m

Brisbane

Sun 4/20

1:55 am-11:37 am

2 stops73h 42m

$3,606

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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.

Cheapflights Insights

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

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 $1,046). 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.

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 April 3, 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 April 3, 2025.
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,825 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,619 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $1,046). 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$860Average$1,462FlexibilityNo cancel feeOn-time69%

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