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$1,317+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
May 19 — May 261
Tue 5/19
Tue 5/26
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 April 19, 2026.

This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 5/314:19 pm
MSO
-
SYD
1 stop22h 36m
United Airlines
Sun 6/710:20 am
SYD
-
MSO
1 stop21h 18m
United Airlines
Deal found 4/16$1,317
This American Airlines deal was found by Cheapflights users on 4/14. 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 7/24:44 pm
MSO
-
SYD
1 stop22h 21m
American Airlines
Wed 7/159:10 am
SYD
-
MSO
1 stop23h 01m
American Airlines
Deal found 4/14$1,405
This United Airlines deal was found by Cheapflights users on 4/14. 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 7/22:25 pm
MSO
-
SYD
2 stops24h 35m
United Airlines
Wed 7/1510:20 am
SYD
-
MSO
1 stop21h 18m
United Airlines
Deal found 4/14$1,408
This Jetabroad deal was found by Cheapflights users on 4/16. 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.
Sun 5/313:39 pm
MSO
-
SYD
2 stops35h 11m
Multiple Airlines
Sun 6/78:45 pm
SYD
-
MSO
3 stops31h 31m
Multiple Airlines
Deal found 4/16$1,456
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/226:15 am
MSO
-
SYD
2 stops32h 45m
United Airlines
Tue 5/2610:20 am
SYD
-
MSO
2 stops27h 14m
United Airlines
Deal found 4/15$1,533

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 April 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,317
(United 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
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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 April 19, 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
Quickest round-trip

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 5/31

2:26 pm-7:00 am

2 stops24h 34m

Sydney Kingsford Smith

Sun 6/7

10:20 am-3:38 pm

1 stop21h 18m

$1,322

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 7/2

2:25 pm-7:00 am

2 stops24h 35m

Sydney Kingsford Smith

Wed 7/15

10:20 am-3:38 pm

1 stop21h 18m

$1,408

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 5/22

6:15 am-7:00 am

2 stops32h 45m

Sydney Kingsford Smith

Tue 5/26

10:20 am-9:34 pm

2 stops27h 14m

$1,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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.

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 19, 2026.
See what other customers who have flown with United Airlines from Missoula to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,604 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,604 reviews
United Airlines
7.4
Good
9,604 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 34m. United Airlines provides one of the quickest options available for as low as $1,322. The distance between Missoula and Australia is about 8081 mi.

  • 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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Top airline flying from Missoula to Australia

Discover the top airline that operate flights from Missoula 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 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$878Average$1,494FlexibilityNo cancel feeOn-time69%

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