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$1,168+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Find 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 November 5, 2025.

This Delta deal was found by Cheapflights users on 11/4. 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 stops31h 39mDelta
Deal found 11/4$1,168
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/27:00 amMSO - SYD
1 stop29h 55mAmerican Airlines
Tue 12/911:20 amSYD - MSO
2 stops26h 42mAmerican Airlines
Deal found 11/4$1,400
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/195:15 pmMSO - SYD
2 stops43h 05mUnited Airlines
Fri 12/2611:20 amSYD - MSO
2 stops22h 50mUnited Airlines
Deal found 11/4$2,369
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/185:20 amMSO - SYD
2 stops44h 25mAlaska Airlines
Wed 12/319:40 pmSYD - MSO
2 stops32h 09mAlaska Airlines
Deal found 11/5$2,649
This Jetabroad deal was found by Cheapflights users on 11/5. 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 12/185:20 amMSO - SYD
2 stops20h 25mHawaiian Airlines
Wed 12/319:40 pmSYD - MSO
3 stops33h 14mHawaiian Airlines
Deal found 11/5$2,936
This Jetabroad deal was found by Cheapflights users on 11/4. 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.
Tue 12/24:22 pmMSO - SYD
2 stops22h 38mMultiple Airlines
Tue 12/910:00 pmSYD - MSO
3 stops43h 55mMultiple Airlines
Deal found 11/4$3,101
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/3$3,566
This Jetabroad deal was found by Cheapflights users on 11/4. 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.
Fri 12/195:20 amMSO - SYD
2 stops20h 25mHawaiian Airlines
Fri 12/269:40 pmSYD - MSO
3 stops35h 53mHawaiian Airlines
Deal found 11/4$3,580
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:11 pmMSO - SYD
2 stops36h 34mMultiple Airlines
Fri 12/262:05 pmSYD - MSO
1 stop25h 19mMultiple Airlines
Deal found 11/4$4,720
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/187:01 amMSO - SYD
1 stop29h 54mAmerican Airlines
Wed 12/312:05 pmSYD - MSO
1 stop25h 19mAmerican Airlines
Deal found 11/5$4,896

Cheap 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,168
(Delta)
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 November 5, 2025.
Use the filters below to find and compare flights from Missoula to Sydney that are best for you.

Fly from

Missoula

Fly to

Sydney

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

5:00 am-8:30 am

2 stops33h 30m

Sydney Kingsford Smith

Tue 3/3

2:15 pm-12:29 am

2 stops28h 14m

$1,168

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

5:05 am-6:50 am

2 stops31h 45m

Sydney Kingsford Smith

Wed 3/4

10:40 am-12:29 am

2 stops31h 49m

$1,218

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

1:21 pm-9:00 am

2 stops25h 39m

Sydney Kingsford Smith

Tue 3/3

11:20 am-9:45 pm

2 stops28h 25m

$1,249

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

7:01 am-9:00 am

2 stops31h 59m

Sydney Kingsford Smith

Wed 3/4

11:20 am-9:45 pm

2 stops28h 25m

$1,253

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

7:01 am-9:00 am

2 stops31h 59m

Sydney Kingsford Smith

Sat 3/7

2:05 pm-9:45 pm

1 stop25h 40m

$1,258

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

5:05 am-6:50 am

2 stops31h 45m

Sydney Kingsford Smith

Sat 3/7

10:40 am-11:25 pm

2 stops30h 45m

$1,268

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

2:34 pm-9:05 am

2 stops24h 31m

Sydney Kingsford Smith

Sat 3/7

12:10 pm-2:05 pm

1 stop19h 55m

$1,343

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

1:20 pm-7:45 pm

2 stops36h 25m

Sydney Kingsford Smith

Sat 3/7

9:40 pm-11:57 pm

2 stops20h 17m

$1,382

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 12/16

1:12 pm-7:45 pm

2 stops36h 33m

$5,097

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 11/4

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Missoula-Sydney flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated November 5, 2025.
Peruse reviews from past customers who have flown with United Airlines from Missoula to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,002 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 25h 39m. Delta provides one of the quickest options available for as low as $1,249. Airlines will cover a distance of 8081 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Missoula to Sydney round-trip?

    Currently priced at $878, United Airlines will fly you from Missoula to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • 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
Manly
Coogee

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Alternative routes for Missoula to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Sydney flights
Kalispell to Sydney flights

Top airline flying from Missoula to Sydney

Discover the top airline that operate flights from Missoula to Sydney. 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$878Average$1,494FlexibilityNo cancel feeOn-time69%

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