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.

$1,664 Cheap Flights from Montana to Australia in 2026

Find the cheapest flights from Montana to Australia

Return

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 07:30HLN Helena-BNE Brisbane

31h 30m2 stops Denver Intl San Francisco

11:40 - 20:59BNE Brisbane-HLN Helena

26h 19m2 stops San Francisco Denver Intl

$1,664United Airlines

Sat, 30 Jan - Wed, 3 Feb

07:00 - 07:30HLN Helena-BNE Brisbane

31h 30m2 stops Denver Intl San Francisco

11:40 - 20:59BNE Brisbane-HLN Helena

26h 19m2 stops San Francisco Denver Intl

$1,665United Airlines

Sat, 30 Jan - Wed, 3 Feb

06:15 - 09:05MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

32h 50m2 stops Denver Intl Los Angeles Los Angeles

11:50 - 21:26SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

27h 36m2 stops San Francisco Denver Intl

$1,850United Airlines

Wed, 2 Dec - Wed, 16 Dec

06:15 - 09:05MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

32h 50m2 stops Denver Intl Los Angeles Los Angeles

11:50 - 21:26SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

27h 36m2 stops San Francisco Denver Intl

$1,851United Airlines

Wed, 2 Dec - Wed, 16 Dec

07:00 - 06:25MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

29h 25m2 stops Dallas/Fort Worth San Francisco

09:10 - 16:13SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

23h 03m1 stop Los Angeles Los Angeles

$1,915American Airlines

Wed, 20 Jan - Sun, 6 Jun

07:00 - 06:25MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

29h 25m2 stops Dallas/Fort Worth San Francisco

09:10 - 16:13SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

23h 03m1 stop Los Angeles Los Angeles

$1,916American Airlines

Wed, 20 Jan - Sun, 6 Jun

05:40 - 08:30MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

32h 50m2 stops Salt Lake City Los Angeles Los Angeles

09:15 - 00:31SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

31h 16m2 stops Los Angeles Los Angeles Salt Lake City

$1,920Delta

Wed, 20 Jan - Thu, 3 Jun

06:15 - 09:20MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

33h 05m2 stops Denver Intl San Francisco

10:20 - 15:28SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

21h 08m1 stop San Francisco

$1,991United Airlines

Wed, 20 Jan - Thu, 3 Jun

06:15 - 08:05MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

32h 50m2 stops Denver Intl Los Angeles Los Angeles

11:20 - 21:47SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

28h 27m2 stops Los Angeles Los Angeles Denver Intl

$2,117United Airlines

Fri, 30 Oct - Tue, 3 Nov

06:15 - 08:05MSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

32h 50m2 stops Denver Intl Los Angeles Los Angeles

11:20 - 21:47SYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

28h 27m2 stops Los Angeles Los Angeles Denver Intl

$2,119United Airlines

Fri, 30 Oct - Tue, 3 Nov

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American Airlines flights from Montana to Australia

Our best American Airlines deals on Montana to Australia flight tickets

American Airlines

20 Jan

MSO07:00Missoula Johnson-Bell Field

29h 25m

2 stops

SYD06:25Sydney Kingsford Smith

6 June

SYD09:10Sydney Kingsford Smith

23h 03m

1 stop

MSO16:13Missoula Johnson-Bell Field

$1,915

American Airlines

20 Jan

MSO07:00Missoula Johnson-Bell Field

29h 25m

2 stops

SYD06:25Sydney Kingsford Smith

6 June

SYD09:10Sydney Kingsford Smith

23h 03m

1 stop

MSO16:13Missoula Johnson-Bell Field

$1,916

American Airlines

20 Jan

MSO07:00Missoula Johnson-Bell Field

29h 55m

1 stop

SYD06:55Sydney Kingsford Smith

6 June

SYD10:20Sydney Kingsford Smith

21h 53m

1 stop

MSO16:13Missoula Johnson-Bell Field

$2,120

Qantas Airways flights from Montana to Australia

Our best Qantas Airways deals on Montana to Australia flight tickets

Qantas Airways

9 Feb

MSO07:00Missoula Johnson-Bell Field

29h 55m

1 stop

SYD06:55Sydney Kingsford Smith

23 Feb

SYD21:50Sydney Kingsford Smith

41h 44m

2 stops

MSO21:34Missoula Johnson-Bell Field

$2,261

Qantas Airways

2 Dec

MSO06:50Missoula Johnson-Bell Field

30h 05m

1 stop

SYD06:55Sydney Kingsford Smith

16 Dec

SYD14:05Sydney Kingsford Smith

24h 10m

1 stop

MSO20:15Missoula Johnson-Bell Field

$2,461

Qantas Airways

2 Dec

MSO06:50Missoula Johnson-Bell Field

32h 10m

2 stops

SYD09:00Sydney Kingsford Smith

16 Dec

SYD14:05Sydney Kingsford Smith

24h 10m

1 stop

MSO20:15Missoula Johnson-Bell Field

$2,812

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HelenaBrisbane

HLN Helena - BNE Brisbane

HLNBNE

Helena

Sat 30/1

07:00-07:30

2 stops31h 30m

Brisbane

Wed 3/2

11:40-20:59

2 stops26h 19m

$1,664

HelenaBrisbane

HLN Helena - BNE Brisbane

HLNBNE

Helena

Sat 30/1

07:00-07:30

2 stops31h 30m

Brisbane

Wed 3/2

11:40-20:59

2 stops26h 19m

$1,665

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 2/12

06:15-09:05

2 stops32h 50m

Sydney Kingsford Smith

Wed 16/12

11:50-21:26

2 stops27h 36m

$1,850

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 2/12

06:15-09:05

2 stops32h 50m

Sydney Kingsford Smith

Wed 16/12

11:50-21:26

2 stops27h 36m

$1,851

Fastest return journey

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 20/1

07:00-06:25

2 stops29h 25m

Sydney Kingsford Smith

Sun 6/6

09:10-16:13

1 stop23h 03m

$1,915

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 20/1

07:00-06:25

2 stops29h 25m

Sydney Kingsford Smith

Sun 6/6

09:10-16:13

1 stop23h 03m

$1,916

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 20/1

05:40-08:30

2 stops32h 50m

Sydney Kingsford Smith

Thu 3/6

09:15-00:31

2 stops31h 16m

$1,920

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 20/1

06:15-09:20

2 stops33h 05m

Sydney Kingsford Smith

Thu 3/6

10:20-15:28

1 stop21h 08m

$1,991

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Fri 30/10

06:15-08:05

2 stops32h 50m

Sydney Kingsford Smith

Tue 3/11

11:20-21:47

2 stops28h 27m

$2,117

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Fri 30/10

06:15-08:05

2 stops32h 50m

Sydney Kingsford Smith

Tue 3/11

11:20-21:47

2 stops28h 27m

$2,119

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Best price found	$1,664
Fastest flight time	22h 44m
Direct flights	None

The best flight deal from Montana to Australia found on momondo in the last 72 hours is $1,664

The fastest flight from Montana to Australia takes 22h 44m

There are no direct flights from Montana to Australia. There are no popular flight routes from Montana to Australia.

Search flight deals

Frequently asked questions about flying 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.