$1,120+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SYD
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missoula to Australia
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Best
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Cheapest flights from Missoula to AustraliaExplore 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 11, 2026.
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 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/29:50 am -
2 stops27h 10m
Wed 12/1611:50 am -
2 stops27h 36m
Deal found 9/10![United Airlines logo]()
$1,315
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/286:15 am -
2 stops32h 50m
Sun 11/111:50 am -
2 stops27h 57m
Deal found 9/6![United Airlines logo]()
$1,505
This Qantas Airways deal was found by Cheapflights users on 9/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:40 am -
3 stops29h 45m
Wed 12/1611:05 am -
3 stops30h 54m
Deal found 9/10![Multiple Airlines logo]()
$2,020
This KAYAK deal was found by Cheapflights users on 9/7. 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 12/26:50 am -
1 stop30h 05m
Wed 12/169:25 pm -
2 stops41h 22m
Deal found 9/7![Qantas Airways logo]()
$2,155
This American Airlines deal was found by Cheapflights users on 9/6. 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 12/26:50 am -
1 stop30h 05m
Wed 12/162:05 pm -
1 stop24h 10m
Deal found 9/6![American Airlines logo]()
$2,837
Best flights from Missoula to AustraliaDiscover carefully curated flight deals from Missoula to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Missoula to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Qantas Airways deal was found by Cheapflights users on 9/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/136:40 am -
3 stops29h 45m
Sat 2/2711:05 am -
3 stops30h 54m
Deal found 9/10![Multiple Airlines logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 9/6. 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 12/29:50 am -
2 stops27h 10m
Wed 12/1611:50 am -
2 stops27h 36m
Deal found 9/6![United Airlines logo]()
$1,315
This United Airlines deal was found by Cheapflights users on 9/10. 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 2/102:27 pm -
2 stops24h 38m
Fri 2/2611:50 am -
2 stops22h 20m
Deal found 9/10![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 2/162:27 pm -
2 stops24h 38m
Sat 2/2711:50 am -
2 stops22h 20m
Deal found 9/10![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 2/166:15 am -
2 stops30h 45m
Wed 2/249:15 am -
2 stops30h 11m
Deal found 9/10![United Airlines logo]()
$1,410
This United Airlines deal was found by Cheapflights users on 9/10. 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 2/112:27 pm -
2 stops24h 53m
Fri 2/2611:50 am -
2 stops22h 20m
Deal found 9/10![United Airlines logo]()
$1,415
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/282:37 pm -
2 stops24h 28m
Sun 11/19:15 am -
2 stops30h 32m
Deal found 9/8![United Airlines logo]()
$1,505
Last-minute flights from Missoula to AustraliaDiscover last-minute flight deals from Missoula to Australia. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Australia. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/286:15 am -
2 stops32h 50m
Sun 11/111:50 am -
2 stops27h 57m
Deal found 9/6![United Airlines logo]()
$1,505
Find 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,120 (Qantas Airways) |
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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Missoula to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Sat 2/13
6:40 am-6:25 am
3 stops29h 45m
Sydney Kingsford Smith
Sat 2/27
11:05 am-11:59 pm
3 stops30h 54m
$1,120
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Wed 12/2
9:50 am-7:00 am
2 stops27h 10m
Sydney Kingsford Smith
Wed 12/16
11:50 am-9:26 pm
2 stops27h 36m
$1,315
Quickest round-trip
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Wed 2/10
2:27 pm-9:05 am
2 stops24h 38m
Sydney Kingsford Smith
Fri 2/26
11:50 am-4:10 pm
2 stops22h 20m
$1,365
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Tue 2/16
2:27 pm-9:05 am
2 stops24h 38m
Sydney Kingsford Smith
Sat 2/27
11:50 am-4:10 pm
2 stops22h 20m
$1,365
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Tue 2/16
6:15 am-7:00 am
2 stops30h 45m
Sydney Kingsford Smith
Wed 2/24
9:15 am-9:26 pm
2 stops30h 11m
$1,410
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Thu 2/11
2:27 pm-9:20 am
2 stops24h 53m
Sydney Kingsford Smith
Fri 2/26
11:50 am-4:10 pm
2 stops22h 20m
$1,415
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Wed 10/28
2:37 pm-8:05 am
2 stops24h 28m
Sydney Kingsford Smith
Sun 11/1
9:15 am-10:47 pm
2 stops30h 32m
$1,505
Sorted by cheapest first
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.
MSO-SYD
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
MSO-AU0
MSO-SYD
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 11, 2026.
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.
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Missoula to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missoula to Australia by cabin class
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Missoula and Australia flights
Browse other Missoula and Australia flight options. Last updated on September 11, 2026.
Popular flight searches
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Fly to Australia regions
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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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,124 | Average$1,124 | FlexibilityNo cancel fee | On-time69% |