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$548+ Cheap flights from Missoula (MSO) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
1 adult, Economy
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Cheap flight deals from Missoula to Sydney

Best flights from Missoula to Sydney
Discover carefully curated flight deals from Missoula to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 2/117:00 amMSO - SYD
1 stop29h 55mAmerican Airlines
mar. 3/32:05 pmSYD - MSO
1 stop25h 36mAmerican Airlines
Deal found 12/3$1,096
This Delta deal was found by Cheapflights users on 12/4. 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.
dom. 2/225:00 amMSO - SYD
2 stops31h 50mDelta
dom. 3/159:40 amSYD - MSO
2 stops24h 41mDelta
Deal found 12/4$1,166
This American Airlines deal was found by Cheapflights users on 12/3. 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.
jue. 2/127:00 amMSO - SYD
1 stop29h 55mAmerican Airlines
mié. 3/42:05 pmSYD - MSO
1 stop25h 36mAmerican Airlines
Deal found 12/3$1,146
This Delta deal was found by Cheapflights users on 12/4. 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.
dom. 2/225:00 amMSO - SYD
2 stops33h 30mDelta
lun. 3/169:40 amSYD - MSO
2 stops24h 41mDelta
Deal found 12/4$1,166
This Delta deal was found by Cheapflights users on 12/4. 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.
sáb. 2/215:00 amMSO - SYD
2 stops55h 50mDelta
lun. 3/169:40 amSYD - MSO
2 stops24h 41mDelta
Deal found 12/4$1,180
This American Airlines deal was found by Cheapflights users on 12/3. 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.
jue. 2/127:00 amMSO - SYD
1 stop29h 55mAmerican Airlines
sáb. 3/72:05 pmSYD - MSO
1 stop25h 36mAmerican Airlines
Deal found 12/3$1,196
This Delta deal was found by Cheapflights users on 12/4. 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.
sáb. 2/211:16 pmMSO - SYD
2 stops47h 34mDelta
dom. 3/159:40 amSYD - MSO
2 stops24h 41mDelta
Deal found 12/4$1,180

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 diciembre 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,096
(American Airlines)

One-way from

$548
(Kiwi.com)
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
One-way flight 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 diciembre 4, 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

mié. 2/11

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

mar. 3/3

2:05 pm-9:41 pm

1 stop25h 36m

$1,096

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

jue. 2/12

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

mié. 3/4

2:05 pm-9:41 pm

1 stop25h 36m

$1,146

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

dom. 2/22

5:00 am-6:50 am

2 stops31h 50m

Sydney Kingsford Smith

dom. 3/15

9:40 am-5:21 pm

2 stops24h 41m

$1,166

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

dom. 2/22

5:00 am-8:30 am

2 stops33h 30m

Sydney Kingsford Smith

lun. 3/16

9:40 am-5:21 pm

2 stops24h 41m

$1,166

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

sáb. 2/21

5:00 am-6:50 am

2 stops55h 50m

Sydney Kingsford Smith

lun. 3/16

9:40 am-5:21 pm

2 stops24h 41m

$1,180

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

sáb. 2/21

1:16 pm-6:50 am

2 stops47h 34m

Sydney Kingsford Smith

dom. 3/15

9:40 am-5:21 pm

2 stops24h 41m

$1,180

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

jue. 2/12

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

sáb. 3/7

2:05 pm-9:41 pm

1 stop25h 36m

$1,196

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

vie. 2/20

1:01 pm-12:35 pm

3 stops29h 34m

$548

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

sáb. 2/21

6:23 am-12:35 pm

3 stops36h 12m

$558

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

sáb. 2/21

7:00 am-6:55 am

1 stop29h 55m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 14 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 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 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 Expedia the most. Expedia 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 diciembre 4, 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
9,066 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 29h 55m. American Airlines provides one of the quickest options available for as low as $1,096. Airlines will cover a distance of 8081 mi.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$878Average$1,494FlexibilityNo cancel feeOn-time69%

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