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$1,221+ Cheap flights from Missoula (MSO) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Missoula to Australia

Cheapest flights from Missoula to Australia
Explore the most affordable flight options available from Missoula to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/225:52 pm
MSO
-
SYD
1 stop21h 13m
American Airlines
Mon 8/318:15 pm
SYD
-
MSO
2 stops32h 20m
American Airlines
Deal found 7/22$1,221
This United Airlines deal was found by Cheapflights users on 7/21. 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 12/26:15 am
MSO
-
SYD
2 stops32h 50m
United Airlines
Wed 12/1611:20 am
SYD
-
MSO
2 stops28h 06m
United Airlines
Deal found 7/21$1,230
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:15 am
MSO
-
SYD
2 stops31h 40m
Multiple Airlines
Wed 9/95:50 pm
SYD
-
MSO
2 stops21h 11m
Multiple Airlines
Deal found 7/19$1,268
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 9/24:11 pm
MSO
-
SYD
1 stop22h 44m
United Airlines
Wed 9/910:20 am
SYD
-
MSO
1 stop21h 04m
United Airlines
Deal found 7/19$1,307
This American Airlines deal was found by Cheapflights users on 7/20. 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 12/27:00 am
MSO
-
SYD
1 stop29h 55m
American Airlines
Wed 12/162:05 pm
SYD
-
MSO
1 stop24h 28m
American Airlines
Deal found 7/20$1,442
This United Airlines deal was found by Cheapflights users on 7/21. 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 11/82:27 pm
MSO
-
SYD
2 stops24h 38m
United Airlines
Thu 11/1211:50 am
SYD
-
MSO
2 stops27h 45m
United Airlines
Deal found 7/21$1,501

Find flight deals from Missoula to Australia

Keep the following information in mind while searching for Missoula to Australia flight deals. Data was last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,221
(American Airlines)
Provider with most accurate pricing for Missoula Johnson-Bell Field-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Sydney Kingsford Smith flights.
Search Deals
From Missoula Johnson-Bell Field to Australia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula 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 July 24, 2026.
Use the filters below to find and compare flights from Missoula to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 12/2

6:15 am-9:05 am

2 stops32h 50m

Sydney Kingsford Smith

Wed 12/16

11:20 am-9:26 pm

2 stops28h 06m

$1,230

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sat 8/22

5:52 pm-10:30 am

2 stops24h 38m

Sydney Kingsford Smith

Mon 8/31

8:15 pm-12:35 pm

2 stops32h 20m

$1,237

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 12/2

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

Wed 12/16

2:05 pm-8:33 pm

1 stop24h 28m

$1,442
Quickest round-trip

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 11/8

2:27 pm-9:05 am

2 stops24h 38m

Sydney Kingsford Smith

Thu 11/12

11:50 am-9:35 pm

2 stops27h 45m

$1,501

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first

Best time to book a flight from Missoula to Australia

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

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missoula 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 Missoula to Australia?

    Missoula Johnson-Bell Field (MSO) is the airport you will fly out of if you book a flight from Missoula to Australia. It is only a 5.5 mi journey to Johnson-Bell Field (MSO) from Missoula’s city center.

  • How long is the flight from Missoula to Australia?

    A quick flight from Missoula to Australia can take about 24h 38m. United Airlines provides one of the quickest options available for as low as $1,237. The distance between Missoula and Australia is about 8081 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula 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.

See more FAQs

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