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$1,221+ Cheap flights from Missoula (MSO) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Missoula to Sydney

Cheapest flights from Missoula to Sydney
Explore the most affordable flight options available from Missoula to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 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 oojo deal was found by Cheapflights users on 7/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:46 pm
MSO
-
SYD
2 stops45h 39m
Multiple Airlines
Mon 11/911:15 am
SYD
-
MSO
2 stops22h 19m
Multiple Airlines
Deal found 7/18$1,287
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:05 pm
MSO
-
SYD
1 stop24h 50m
American Airlines
Mon 11/92:05 pm
SYD
-
MSO
1 stop23h 50m
American Airlines
Deal found 7/18$1,304
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

Find flight deals from Missoula to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 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 Sydney Kingsford Smith
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula 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 July 23, 2026.
Use the filters below to find and compare flights from Missoula to Sydney 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

Mon 10/26

1:05 pm-6:55 am

1 stop24h 50m

Sydney Kingsford Smith

Mon 11/9

2:05 pm-7:55 pm

1 stop23h 50m

$1,304
Quickest round-trip

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 9/2

4:11 pm-6:55 am

1 stop22h 44m

Sydney Kingsford Smith

Wed 9/9

10:20 am-3:24 pm

1 stop21h 04m

$1,307

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

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

Compare providers for flights from Missoula to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Sydney in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to Sydney

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

Related info for your journey

Find useful and relevant information for your journey from Missoula to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missoula to Sydney?

    A quick flight from Missoula to Sydney can take about 24h 38m. United Airlines provides one of the quickest options available for as low as $1,237. Airlines will cover a distance of 8081 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula 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.

See more FAQs

Traveling to a place near Sydney?

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

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