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$1,313+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This KAYAK deal was found by Cheapflights users on 5/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:27 pm
MSO
-
SYD
2 stops24h 38m
Air New Zealand
Wed 12/1611:20 am
SYD
-
MSO
2 stops22h 50m
Air New Zealand
Deal found 5/21$1,313
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:27 pm
MSO
-
SYD
2 stops24h 48m
United Airlines
Wed 12/1611:20 am
SYD
-
MSO
2 stops28h 06m
United Airlines
Deal found 5/20$1,314
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Mon 11/306:15 am
MSO
-
SYD
2 stops32h 50m
United Airlines
Sun 12/1311:20 am
SYD
-
MSO
2 stops28h 06m
United Airlines
Deal found 5/17$1,316
This United Airlines deal was found by Cheapflights users on 5/17. 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 12/32:27 pm
MSO
-
SYD
2 stops24h 38m
United Airlines
Tue 12/1512:10 pm
SYD
-
MSO
2 stops22h 00m
United Airlines
Deal found 5/17$1,366
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:15 am
MSO
-
SYD
1 stop31h 45m
United Airlines
Sun 7/1210:20 am
SYD
-
MSO
1 stop21h 18m
United Airlines
Deal found 5/20$1,369
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Mon 11/302:27 pm
MSO
-
SYD
2 stops24h 38m
United Airlines
Mon 12/1411:20 am
SYD
-
MSO
2 stops22h 50m
United Airlines
Deal found 5/17$1,411
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Wed 12/27:00 am
MSO
-
SYD
2 stops29h 25m
American Airlines
Wed 12/162:05 pm
SYD
-
MSO
1 stop24h 28m
American Airlines
Deal found 5/18$1,412
This United Airlines deal was found by Cheapflights users on 5/17. 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 12/32:27 pm
MSO
-
SYD
2 stops24h 38m
United Airlines
Thu 12/1712:10 pm
SYD
-
MSO
1 stop19h 07m
United Airlines
Deal found 5/17$1,416
This United Airlines deal was found by Cheapflights users on 5/17. 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 12/32:27 pm
MSO
-
SYD
2 stops24h 38m
United Airlines
Mon 12/1411:20 am
SYD
-
MSO
2 stops22h 50m
United Airlines
Deal found 5/17$1,461
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/144:15 pm
MSO
-
SYD
1 stop22h 40m
United Airlines
Tue 8/1810:20 am
SYD
-
MSO
1 stop21h 04m
United Airlines
Deal found 5/17$1,464

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,369
(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 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 May 22, 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

Sun 7/5

7:15 am-7:00 am

1 stop31h 45m

Sydney Kingsford Smith

Sun 7/12

10:20 am-3:38 pm

1 stop21h 18m

$1,369
Quickest round-trip

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 8/14

4:15 pm-6:55 am

1 stop22h 40m

Sydney Kingsford Smith

Tue 8/18

10:20 am-3:24 pm

1 stop21h 04m

$1,464

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 7/5

5:31 am-6:50 am

2 stops33h 19m

Sydney Kingsford Smith

Sun 7/12

9:15 am-12:28 am

2 stops31h 13m

$1,497

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 10/30

2:27 pm-8:05 am

2 stops24h 38m

Sydney Kingsford Smith

Tue 11/3

12:10 pm-9:26 pm

2 stops27h 16m

$1,504

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 7/5

7:59 pm-11:45 am

2 stops47h 46m

Sydney Kingsford Smith

Sun 7/12

7:45 pm-4:09 pm

3 stops36h 24m

$2,703

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

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 May.
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 31h 45m. United Airlines provides one of the quickest options available for as low as $1,369. Airlines will cover a distance of 8081 mi.

  • 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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