$1,314+ 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
Oct 4 — Oct 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missoula to Sydney with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Sydney
Cheapest
Best
Last-minute
Cheapest flights from Missoula to SydneyExplore 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 September 4, 2026.
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 September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:27 pm -
2 stops24h 38m
Wed 12/1611:50 am -
2 stops24h 45m
Deal found 9/3![United Airlines logo]()
$1,314
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/186:15 am -
2 stops32h 40m
Sun 10/2510:30 am -
2 stops28h 17m
Deal found 9/2![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 8/30. 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 8/30![United Airlines logo]()
$1,505
This American Airlines deal was found by Cheapflights users on 9/2. 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 11/231:18 pm -
2 stops25h 42m
Thu 12/1011:20 am -
2 stops26h 55m
Deal found 9/2![American Airlines logo]()
$1,511
This American Airlines deal was found by Cheapflights users on 9/2. 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 -
2 stops29h 35m
Wed 12/162:05 pm -
1 stop24h 10m
Deal found 9/2![American Airlines logo]()
$1,716
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:03 am -
2 stops32h 57m
Sun 11/111:10 am -
2 stops28h 08m
Deal found 9/3![Alaska Airlines logo]()
$1,746
This Ovago deal was found by Cheapflights users on 9/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:05 pm -
1 stop24h 50m
Sun 10/251:05 pm -
1 stop41h 13m
Deal found 9/2![Qantas Airways logo]()
$1,802
This Jetabroad deal was found by Cheapflights users on 9/2. 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.
Sun 10/181:06 pm -
2 stops25h 24m
Sun 10/259:40 pm -
3 stops32h 46m
Deal found 9/2![Multiple Airlines logo]()
$1,848
This Qantas Airways deal was found by Cheapflights users on 9/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:16 pm -
3 stops26h 04m
Wed 12/1611:05 am -
3 stops30h 54m
Deal found 9/3![Multiple Airlines logo]()
$1,873
Best flights from Missoula to SydneyDiscover 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 September 4, 2026.
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 September 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 -
2 stops33h 05m
Wed 12/169:15 am -
2 stops30h 11m
Deal found 8/30![United Airlines logo]()
$1,315
This Delta deal was found by Cheapflights users on 8/30. 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.
Sat 1/2312:50 pm -
2 stops49h 40m
Tue 2/1610:40 am -
2 stops31h 51m
Deal found 8/30![Delta logo]()
$1,329
This American Airlines deal was found by Cheapflights users on 9/1. 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 -
2 stops29h 35m
Wed 12/162:05 pm -
1 stop24h 10m
Deal found 9/1![American Airlines logo]()
$1,716
This United Airlines deal was found by Cheapflights users on 8/30. 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 1/246:15 am -
2 stops30h 05m
Mon 2/1511:50 am -
2 stops27h 36m
Deal found 8/30![United Airlines logo]()
$1,315
This Delta deal was found by Cheapflights users on 8/30. 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.
Sat 1/2312:50 pm -
2 stops48h 00m
Thu 2/111:35 pm -
2 stops21h 52m
Deal found 8/30![Delta logo]()
$1,379
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/186:15 am -
2 stops32h 40m
Sun 10/2510:30 am -
2 stops28h 17m
Deal found 9/2![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 8/30. 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 1/252:27 pm -
2 stops24h 53m
Fri 2/121:20 pm -
2 stops26h 06m
Deal found 8/30![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 8/31. 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 8/31![United Airlines logo]()
$1,505
Last-minute flights from Missoula to SydneyDiscover last-minute flight deals from Missoula to Sydney. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Sydney. Data last updated September 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/184:15 pm -
1 stop22h 40m
Sun 10/2510:30 am -
2 stops22h 56m
Deal found 9/2![United Airlines logo]()
$1,365
This Ovago deal was found by Cheapflights users on 9/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:05 pm -
1 stop24h 50m
Sun 10/251:05 pm -
1 stop41h 13m
Deal found 9/2![Qantas Airways logo]()
$1,802
This Jetabroad deal was found by Cheapflights users on 9/2. 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.
Sun 10/181:06 pm -
2 stops25h 24m
Sun 10/259:40 pm -
3 stops32h 46m
Deal found 9/2![Multiple Airlines logo]()
$1,848
This United Airlines deal was found by Cheapflights users on 8/30. 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 8/30![United Airlines logo]()
$1,505
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:03 am -
2 stops32h 57m
Sun 11/111:10 am -
2 stops28h 08m
Deal found 9/3![Alaska Airlines logo]()
$1,746
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,310 (American Airlines) |
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 7,457,451 searches. Data last updated September 4, 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
Cheapest round-trip
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Wed 12/2
6:15 am-9:20 am
2 stops33h 05m
Sydney Kingsford Smith
Wed 12/16
9:15 am-9:26 pm
2 stops30h 11m
$1,315
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Sun 1/24
6:15 am-6:20 am
2 stops30h 05m
Sydney Kingsford Smith
Mon 2/15
11:50 am-9:26 pm
2 stops27h 36m
$1,315
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Sat 1/23
12:50 pm-8:30 am
2 stops49h 40m
Sydney Kingsford Smith
Tue 2/16
10:40 am-12:31 am
2 stops31h 51m
$1,329
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Sun 10/18
6:15 am-7:55 am
2 stops32h 40m
Sydney Kingsford Smith
Sun 10/25
10:30 am-9:47 pm
2 stops28h 17m
$1,365
Quickest round-trip
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Mon 1/25
2:27 pm-9:20 am
2 stops24h 53m
Sydney Kingsford Smith
Fri 2/12
1:20 pm-9:26 pm
2 stops26h 06m
$1,365
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Sat 1/23
12:50 pm-6:50 am
2 stops48h 00m
Sydney Kingsford Smith
Thu 2/11
1:35 pm-5:27 pm
2 stops21h 52m
$1,379
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
MissoulaSydney
MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith
MSOSYD
Missoula Johnson-Bell Field
Wed 12/2
6:50 am-6:25 am
2 stops29h 35m
Sydney Kingsford Smith
Wed 12/16
2:05 pm-8:15 pm
1 stop24h 10m
$1,716
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
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.
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Other flight options
Other flights from Missoula
Popular flights
Sydney flight routes