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$1,148+ Cheap flights from Montana to Sydney (SYD)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SYD
jan 17 — jan 241
sáb 1/17
sáb 1/24
1 adult, Economy
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Cheap flight deals from Montana to Sydney

Cheapest flights from Montana to Sydney
Explore the most affordable flight options available from Montana to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on dezembro 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/18. 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.
qui 12/181:30 pmBZN - SYD
1 stop25h 35mUnited Airlines
sex 1/211:20 amSYD - BZN
1 stop19h 08mUnited Airlines
Deal found 12/18$3,108
This Gurufare deal was found by Cheapflights users on 12/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/171:15 pmBZN - SYD
1 stop25h 50mAir New Zealand
sex 1/27:45 amSYD - BZN
2 stops46h 33mAir New Zealand
Deal found 12/16$3,341
This Gurufare deal was found by Cheapflights users on 12/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/181:30 pmBZN - SYD
1 stop25h 35mAir New Zealand
sáb 1/37:45 amSYD - BZN
2 stops46h 43mAir New Zealand
Deal found 12/18$3,388
This United Airlines deal was found by Cheapflights users on 12/18. 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.
qui 12/184:26 pmBZN - SYD
1 stop22h 49mUnited Airlines
sáb 1/312:10 pmSYD - BZN
1 stop21h 14mUnited Airlines
Deal found 12/18$3,444
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/176:30 amBZN - SYD
2 stops30h 30mUnited Airlines
sex 1/212:10 pmSYD - BZN
2 stops21h 17mUnited Airlines
Deal found 12/17$3,449
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/202:41 pmMSO - SYD
2 stops24h 04mMultiple Airlines
seg 12/2212:10 pmSYD - MSO
2 stops29h 32mMultiple Airlines
Deal found 12/16$3,691
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/187:56 pmBZN - SYD
3 stops29h 49mMultiple Airlines
sex 1/29:40 pmSYD - BZN
2 stops32h 23mMultiple Airlines
Deal found 12/18$3,819
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
qui 12/187:56 pmBZN - SYD
3 stops29h 49mMultiple Airlines
sáb 1/39:40 pmSYD - BZN
2 stops32h 23mMultiple Airlines
Deal found 12/16$3,944
This Jetabroad deal was found by Cheapflights users on 12/16. 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.
sáb 12/205:20 amMSO - SYD
2 stops20h 25mHawaiian Airlines
seg 12/229:40 pmSYD - MSO
3 stops33h 14mHawaiian Airlines
Deal found 12/16$4,094
This United Airlines deal was found by Cheapflights users on 12/16. 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.
sáb 12/202:41 pmMSO - SYD
1 stop21h 39mUnited Airlines
seg 12/2211:50 amSYD - MSO
2 stops27h 51mUnited Airlines
Deal found 12/16$8,358

Find flight deals from Montana to Sydney

Keep the following information in mind while searching for Montana to Sydney flight deals. Data was last updated dezembro 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,098
(American Airlines)

Popular in

January

Cheapest in

June

Average price

$1,539
Provider with most accurate pricing for Bozeman Gallatin Field-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Sydney Kingsford Smith flights.
Search Deals
From Montana to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($309 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($101 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Sydney 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 dezembro 18, 2025.
Use the filters below to find and compare flights from Montana to Sydney that are best for you.

Fly from

Montana

Fly to

Sydney

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

qui 2/19

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

dom 3/15

1:05 pm-9:49 pm

1 stop25h 44m

$1,148

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

qui 2/12

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

qua 3/4

2:05 pm-9:41 pm

1 stop25h 36m

$1,148

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

qua 2/11

6:00 am-6:20 am

2 stops30h 20m

Sydney Kingsford Smith

ter 3/3

11:50 am-9:57 pm

2 stops28h 07m

$1,168

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

qui 2/12

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

sáb 3/7

2:05 pm-9:41 pm

1 stop25h 36m

$1,198

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

seg 6/1

8:30 am-6:35 am

2 stops30h 05m

Sydney Kingsford Smith

qui 6/11

9:15 am-11:59 pm

2 stops30h 44m

$1,218

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

qui 2/19

2:34 pm-9:05 am

2 stops24h 31m

Sydney Kingsford Smith

dom 3/15

12:10 pm-9:57 pm

2 stops26h 47m

$1,218

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

seg 6/1

8:30 am-6:35 am

2 stops30h 05m

Sydney Kingsford Smith

sex 6/12

9:15 am-11:59 pm

2 stops30h 44m

$1,218

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

qua 2/11

1:21 pm-9:00 am

2 stops25h 39m

Sydney Kingsford Smith

ter 3/3

2:05 pm-9:41 pm

1 stop25h 36m

$1,251

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

sáb 1/31

3:50 pm-8:30 am

1 stop22h 40m

Sydney Kingsford Smith

sáb 2/7

2:15 pm-3:10 pm

1 stop18h 55m

$1,263

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

sáb 5/2

11:25 am-6:35 am

2 stops27h 10m

Sydney Kingsford Smith

qui 5/14

9:15 am-2:36 pm

2 stops21h 21m

$1,268

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 results
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Best time to book a flight from Montana to Sydney

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

What is the cheapest month to book a flight from Montana to Sydney?

Currently, September is the cheapest month in which you can book a flight from Montana to Sydney (average of $847). Flying from Montana to Sydney in January is currently the most expensive (average of $1,424). 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 Montana to Sydney. 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 into for flights to Sydney from Montana?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Montana. Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from Montana to Sydney?

    A quick flight from Montana to Sydney can take about 29h 55m. American Airlines provides one of the quickest options available for as low as $1,148. Montana and Sydney are separated by a distance of 8081 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Montana to Sydney?

    The most popular route from Montana to Sydney is Bozeman Gallatin Field - Sydney Kingsford Smith. You may also consider Missoula Johnson-Bell Field - Sydney Kingsford Smith or Kalispell Glacier Park - Sydney Kingsford Smith.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Montana to Sydney (average of $847). Flying from Montana to Sydney in January is currently the most expensive (average of $1,424). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Montana to Sydney

Discover the top airline that operate flights from Montana to Sydney. 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 dezembro 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$878Average$1,538FlexibilityNo cancel feeOn-time69%

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