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$819+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 30, 2025.

Round-trip from

$819
(American Airlines)
From Missoula Johnson-Bell Field to Australia
Search Deals

Find 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 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 9/1212:50 pmMSO - SYD
2 stops26h 05mAmerican Airlines
Fri 10/39:10 amSYD - MSO
2 stops30h 08mAmerican Airlines
Deal found 7/30$819
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/134:17 pmMSO - SYD
1 stop22h 38mUnited Airlines
Sat 9/2010:20 amSYD - MSO
1 stop21h 16mUnited Airlines
Deal found 7/29$1,261
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 11/1212:59 pmMSO - SYD
2 stops50h 01mAlaska Airlines
Sun 11/1611:15 amSYD - MSO
2 stops30h 58mAlaska Airlines
Deal found 7/29$1,355
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:17 pmMSO - SYD
2 stops24h 28mMultiple Airlines
Fri 10/36:00 amSYD - MSO
3 stops31h 36mMultiple Airlines
Deal found 7/30$2,256

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 30, 2025.
Use the filters below to find and compare flights from Missoula to Australia that are best for you.

Fly from

Missoula

Fly to

Australia

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 9/12

12:50 pm-6:55 am

2 stops26h 05m

Sydney Kingsford Smith

Fri 10/3

9:10 am-11:18 pm

2 stops30h 08m

$819

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sat 9/13

4:17 pm-6:55 am

1 stop22h 38m

Sydney Kingsford Smith

Sat 9/20

10:20 am-3:36 pm

1 stop21h 16m

$1,261

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 11/12

12:59 pm-9:00 am

2 stops50h 01m

Sydney Kingsford Smith

Sun 11/16

11:15 am-12:13 am

2 stops30h 58m

$1,355

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 9/12

4:17 pm-8:45 am

2 stops24h 28m

Sydney Kingsford Smith

Fri 10/3

6:00 am-9:36 pm

3 stops31h 36m

$2,256

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 12/16

1:20 pm-8:30 am

3 stops49h 10m

$3,942

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 12/16

6:15 am-7:00 am

2 stops30h 45m

$4,961

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 12/16

7:00 am-6:55 am

1 stop29h 55m

$9,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 30, 2025.
See what other customers who have flown with Alaska Airlines, United Airlines, and American 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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.

  • What is the cheapest month to book a flight from Missoula to Australia?

    Currently, February is the cheapest month in which you can book a flight from Missoula to Australia (average of $1,028). Flying from Missoula to Australia in December is currently the most expensive (average of $1,619). 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$924Average$1,377FlexibilityNo cancel feeOn-time69%

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