Cheap flights from Montana to Australia from $1,018

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Australia departing on 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Montana to Australia

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
06:45 - 06:55
MSO
-
SYD
32h 10m
1 stop
American Airlines Logo
09:10 - 16:14
SYD
-
MSO
23h 04m
1 stop
$1,912American Airlines
Wed, 20 May - Sun, 31 May
American Airlines Logo
16:44 - 07:30
MSO
-
SYD
22h 46m
1 stop
American Airlines Logo
09:10 - 15:22
SYD
-
MSO
22h 12m
1 stop
$1,913American Airlines
Mon, 3 Aug - Wed, 12 Aug
American Airlines Logo
13:08 - 07:05
MSO
-
SYD
25h 57m
2 stops
American Airlines Logo
09:10 - 16:14
SYD
-
MSO
23h 04m
1 stop
$1,919American Airlines
Wed, 20 May - Sun, 31 May
Delta Logo
05:30 - 06:50
MSO
-
SYD
33h 20m
2 stops
Delta Logo
09:15 - 00:22
SYD
-
MSO
31h 07m
2 stops
$2,084Delta
Fri, 8 May - Fri, 15 May
Multiple Airlines Logo
16:57 - 18:50
MSO
-
SYD
33h 53m
2 stops
Multiple Airlines Logo
20:45 - 12:32
SYD
-
MSO
31h 47m
3 stops
$2,105Multiple Airlines
Thu, 13 Aug - Tue, 25 Aug
United Airlines Logo
06:15 - 07:00
MSO
-
SYD
32h 45m
2 stops
United Airlines Logo
10:20 - 21:30
SYD
-
MSO
27h 10m
2 stops
$2,182United Airlines
Sat, 16 May - Wed, 20 May
United Airlines Logo
14:37 - 06:55
MSO
-
SYD
24h 18m
2 stops
United Airlines Logo
10:20 - 21:30
SYD
-
MSO
27h 10m
2 stops
$2,184United Airlines
Sat, 16 May - Wed, 20 May
Qantas Airways Logo
13:41 - 10:05
BZN
-
BNE
28h 24m
2 stops
Qantas Airways Logo
08:45 - 20:40
BNE
-
BZN
27h 55m
2 stops
$2,463Qantas Airways
Sun, 10 May - Wed, 22 Jul
Multiple Airlines Logo
16:18 - 11:30
BZN
-
BNE
27h 12m
2 stops
Multiple Airlines Logo
06:05 - 16:14
BNE
-
BZN
26h 09m
2 stops
$2,885Multiple Airlines
Sun, 10 May - Wed, 22 Jul
Qantas Airways Logo
16:15 - 10:55
BZN
-
BNE
26h 40m
2 stops
Qantas Airways Logo
07:55 - 20:39
BNE
-
BZN
28h 44m
2 stops
$2,886Qantas Airways
Thu, 13 Aug - Mon, 17 Aug

American Airlines flights from Montana to Australia

Our best American Airlines deals on Montana to Australia flight tickets
American Airlines
20 May
MSO06:45Missoula Johnson-Bell Field
32h 10m
1 stop
SYD06:55Sydney Kingsford Smith
31 May
SYD09:10Sydney Kingsford Smith
23h 04m
1 stop
MSO16:14Missoula Johnson-Bell Field
$1,912
American Airlines
3 Aug
MSO16:44Missoula Johnson-Bell Field
22h 46m
1 stop
SYD07:30Sydney Kingsford Smith
12 Aug
SYD09:10Sydney Kingsford Smith
22h 12m
1 stop
MSO15:22Missoula Johnson-Bell Field
$1,913
American Airlines
20 May
MSO13:08Missoula Johnson-Bell Field
25h 57m
2 stops
SYD07:05Sydney Kingsford Smith
31 May
SYD09:10Sydney Kingsford Smith
23h 04m
1 stop
MSO16:14Missoula Johnson-Bell Field
$1,919

United Airlines flights from Montana to Australia

Our best United Airlines deals on Montana to Australia flight tickets
United Airlines
16 May
MSO06:15Missoula Johnson-Bell Field
32h 45m
2 stops
SYD07:00Sydney Kingsford Smith
20 May
SYD10:20Sydney Kingsford Smith
27h 10m
2 stops
MSO21:30Missoula Johnson-Bell Field
$2,182
United Airlines
16 May
MSO14:37Missoula Johnson-Bell Field
24h 18m
2 stops
SYD06:55Sydney Kingsford Smith
20 May
SYD10:20Sydney Kingsford Smith
27h 10m
2 stops
MSO21:30Missoula Johnson-Bell Field
$2,184
United Airlines
16 May
MSO06:15Missoula Johnson-Bell Field
32h 45m
2 stops
SYD07:00Sydney Kingsford Smith
20 May
SYD09:30Sydney Kingsford Smith
28h 00m
2 stops
MSO21:30Missoula Johnson-Bell Field
$2,226

momondo Fare Finder

 
Customise your flight search to find flights from Montana 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, momondo users made 78,305 searches. Data last updated 29 March 2026.
Use the filters below to find and compare flights from Montana to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 20/5

06:45-06:55

1 stop32h 10m

Sydney Kingsford Smith

Sun 31/5

09:10-16:14

1 stop23h 04m

$1,912
Fastest return journey

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Mon 3/8

16:44-07:30

1 stop22h 46m

Sydney Kingsford Smith

Wed 12/8

09:10-15:22

1 stop22h 12m

$1,913

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 20/5

13:08-07:05

2 stops25h 57m

Sydney Kingsford Smith

Sun 31/5

09:10-16:14

1 stop23h 04m

$1,919

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 8/5

05:30-06:50

2 stops33h 20m

Sydney Kingsford Smith

Fri 15/5

09:15-00:22

2 stops31h 07m

$2,084

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 13/8

16:57-18:50

2 stops33h 53m

Sydney Kingsford Smith

Tue 25/8

20:45-12:32

3 stops31h 47m

$2,105

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sat 16/5

06:15-07:00

2 stops32h 45m

Sydney Kingsford Smith

Wed 20/5

10:20-21:30

2 stops27h 10m

$2,182

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sat 16/5

14:37-06:55

2 stops24h 18m

Sydney Kingsford Smith

Wed 20/5

10:20-21:30

2 stops27h 10m

$2,184

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Sun 10/5

13:41-10:05

2 stops28h 24m

Brisbane

Wed 22/7

08:45-20:40

2 stops27h 55m

$2,463

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Sun 10/5

16:18-11:30

2 stops27h 12m

Brisbane

Wed 22/7

06:05-16:14

2 stops26h 09m

$2,885

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Thu 13/8

16:15-10:55

2 stops26h 40m

Brisbane

Mon 17/8

07:55-20:39

2 stops28h 44m

$2,886

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Australia from

How to get the cheapest flight ticket from Montana to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Montana to Australia flights?

You could potentially save up to 19% on your flight if you consider stops on a Montana to Australia flight.

Cheap Montana to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Australia

Fastest flight time

22h 12m

Direct flights

None
The fastest flight from Montana to Australia takes 22h 12m
There are no direct flights from Montana to Australia. There are no popular flight routes from Montana to Australia.
  • When did momondo last update prices for flights from Montana to Australia?

    Prices for flights from Montana to Australia are updated daily.

  • How old do you have to be to fly from Montana to Australia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Australia.

  • What documentation or ID do you need to fly to Australia?

    The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Montana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montana to Australia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Montana.

I’m not ready to book a flight from Montana to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montana to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

An easier way to manage your Australia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 28/4
Tue 5/5

Find better results for your trip to Australia