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$1,132+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$1,132
(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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 10/301:31 pmMSO - SYD
1 stop24h 24mAmerican Airlines
Thu 11/62:05 pmSYD - MSO
1 stop23h 50mAmerican Airlines
Deal found 9/14$1,132
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:25 amMSO - SYD
2 stops33h 05mDelta
Sun 11/1610:40 amSYD - MSO
2 stops19h 53mDelta
Deal found 9/16$1,298
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/125:10 pmMSO - SYD
2 stops43h 50mUnited Airlines
Sun 11/1612:10 pmSYD - MSO
2 stops27h 37mUnited Airlines
Deal found 9/14$1,307
This Jetabroad deal was found by Cheapflights users on 9/14. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:30 amMSO - SYD
2 stops21h 15mHawaiian Airlines
Thu 11/69:40 pmSYD - MSO
3 stops33h 39mHawaiian Airlines
Deal found 9/14$1,376
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:01 amMSO - SYD
2 stops29h 09mAmerican Airlines
Fri 11/212:05 pmSYD - MSO
1 stop24h 29mAmerican Airlines
Deal found 9/16$1,953
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 12/242:38 pmMSO - SYD
2 stops46h 22mUnited Airlines
Sun 1/411:50 amSYD - MSO
2 stops43h 46mUnited Airlines
Deal found 9/16$2,132
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amMSO - SYD
1 stop29h 55mAmerican Airlines
Sun 1/411:20 amSYD - MSO
2 stops28h 04mAmerican Airlines
Deal found 9/16$3,301
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/127:01 amMSO - SYD
1 stop29h 54mAmerican Airlines
Sun 11/162:05 pmSYD - MSO
1 stop23h 50mAmerican Airlines
Deal found 9/14$3,567

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 September 17, 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

Thu 10/30

1:31 pm-6:55 am

1 stop24h 24m

Sydney Kingsford Smith

Thu 11/6

2:05 pm-7:55 pm

1 stop23h 50m

$1,132

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

7:00 am-7:25 am

2 stops30h 25m

Sydney Kingsford Smith

Wed 3/4

11:15 am-9:37 pm

2 stops28h 22m

$1,136

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

7:00 am-7:25 am

2 stops30h 25m

Sydney Kingsford Smith

Tue 3/3

11:15 am-9:37 pm

2 stops28h 22m

$1,136

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 12/16

6:15 am-9:05 am

2 stops32h 50m

$4,962

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 12/16

7:00 am-6:55 am

1 stop29h 55m

$9,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 17, 2025.
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
8,926 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 24m. American Airlines provides one of the quickest options available for as low as $1,132. 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.

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

    Currently, March is the cheapest month in which you can book a flight from Missoula to Australia (average of $1,032). Flying from Missoula to Australia in December is currently the most expensive (average of $1,627). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$924Average$1,494FlexibilityNo cancel feeOn-time69%

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