What is the cheapest airline that flies from Montana to Australia?

United Airlines is the most popular carrier operating 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.

$1,442 Cheap Flights from Montana to Australia in 2026

1 adult

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Find the cheapest flights from Montana to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:00 - 09:30

BTM

MEL

29h 30m

2 stops

13:00 - 22:26

MEL

BTM

27h 26m

2 stops

$1,443United Airlines

Fri, 20 Feb - Tue, 24 Feb

06:15 - 07:30

HLN

BNE

32h 15m

2 stops

10:30 - 21:46

BNE

HLN

27h 16m

2 stops

$1,682United Airlines

Tue, 3 Mar - Sun, 3 May

06:15 - 07:30

HLN

BNE

56h 15m

2 stops

10:30 - 21:33

BNE

HLN

27h 03m

2 stops

$1,705United Airlines

Sat, 28 Feb - Tue, 28 Apr

06:15 - 07:30

HLN

BNE

32h 15m

2 stops

10:30 - 21:33

BNE

HLN

27h 03m

2 stops

$1,718United Airlines

Thu, 26 Feb - Tue, 28 Apr

13:20 - 08:05

MSO

SYD

25h 45m

2 stops

08:45 - 21:56

SYD

MSO

29h 11m

2 stops

$1,750American Airlines

Mon, 30 Mar - Mon, 6 Apr

06:44 - 05:00

BZN

BNE

30h 16m

2 stops

20:35 - 13:01

BNE

BZN

32h 26m

2 stops

$1,930American Airlines

Mon, 1 Jun - Fri, 31 Jul

13:05 - 09:55

BZN

BNE

27h 50m

2 stops

09:35 - 12:30

BNE

BZN

42h 55m

2 stops

$2,011Air New Zealand

Tue, 24 Feb - Fri, 1 May

13:20 - 09:55

BZN

BNE

27h 35m

2 stops

19:35 - 12:20

BNE

BZN

56h 45m

2 stops

$2,013Air New Zealand

Thu, 5 Mar - Sat, 25 Apr

16:36 - 08:45

HLN

BNE

23h 09m

2 stops

10:00 - 17:45

BNE

HLN

23h 45m

2 stops

$2,749Multiple Airlines

Mon, 2 Mar - Thu, 30 Apr

16:36 - 08:45

HLN

BNE

23h 09m

2 stops

10:00 - 17:45

BNE

HLN

23h 45m

2 stops

$2,808Multiple Airlines

Sat, 28 Feb - Thu, 30 Apr

American Airlines flights from Montana to Australia

Our best American Airlines deals on Montana to Australia flight tickets

American Airlines

11 Feb

MSO07:00Missoula Johnson-Bell Field

29h 55m

1 stop

SYD06:55Sydney Kingsford Smith

3 Mar

SYD14:05Sydney Kingsford Smith

25h 51m

1 stop

MSO21:56Missoula Johnson-Bell Field

$1,670

American Airlines

11 Feb

MSO13:21Missoula Johnson-Bell Field

25h 39m

2 stops

SYD09:00Sydney Kingsford Smith

3 Mar

SYD11:20Sydney Kingsford Smith

28h 36m

2 stops

MSO21:56Missoula Johnson-Bell Field

$1,673

American Airlines

11 Feb

MSO13:21Missoula Johnson-Bell Field

25h 39m

2 stops

SYD09:00Sydney Kingsford Smith

3 Mar

SYD14:05Sydney Kingsford Smith

25h 51m

1 stop

MSO21:56Missoula Johnson-Bell Field

$1,676

Qatar Airways flights from Montana to Australia

Our best Qatar Airways deals on Montana to Australia flight tickets

Qatar Airways

12 Feb

MSO06:15Missoula Johnson-Bell Field

54h 35m

2 stops

SYD06:50Sydney Kingsford Smith

4 Mar

SYD19:00Sydney Kingsford Smith

44h 56m

3 stops

MSO21:56Missoula Johnson-Bell Field

$5,824

Qatar Airways

12 Feb

MSO06:15Missoula Johnson-Bell Field

54h 35m

2 stops

SYD06:50Sydney Kingsford Smith

4 Mar

SYD19:00Sydney Kingsford Smith

44h 56m

3 stops

MSO21:56Missoula Johnson-Bell Field

$5,826

Qatar Airways

12 Feb

MSO06:15Missoula Johnson-Bell Field

54h 35m

2 stops

SYD06:50Sydney Kingsford Smith

7 Mar

SYD19:00Sydney Kingsford Smith

43h 56m

3 stops

MSO20:56Missoula Johnson-Bell Field

$5,882

Fly from

Fly to

Route

Depart

Return

Price

ButteMelbourne

BTM - MEL

BTMMEL

Butte Silver Bow Co

Fri 20/2

10:00-09:30

2 stops29h 30m

Melbourne

Tue 24/2

13:00-22:26

2 stops27h 26m

$1,442

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Tue 3/3

06:15-07:30

2 stops32h 15m

Brisbane

Sun 3/5

10:30-21:46

2 stops27h 16m

$1,682

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Sat 28/2

06:15-07:30

2 stops56h 15m

Brisbane

Tue 28/4

10:30-21:33

2 stops27h 03m

$1,705

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Thu 26/2

06:15-07:30

2 stops32h 15m

Brisbane

Tue 28/4

10:30-21:33

2 stops27h 03m

$1,718

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Mon 30/3

13:20-08:05

2 stops25h 45m

Sydney Kingsford Smith

Mon 6/4

08:45-21:56

2 stops29h 11m

$1,750

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Mon 1/6

06:44-05:00

2 stops30h 16m

Brisbane

Fri 31/7

20:35-13:01

2 stops32h 26m

$1,930

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Tue 24/2

13:05-09:55

2 stops27h 50m

Brisbane

Fri 1/5

09:35-12:30

2 stops42h 55m

$2,011

BozemanBrisbane

BZN - BNE

BZNBNE

Bozeman Gallatin Field

Thu 5/3

13:20-09:55

2 stops27h 35m

Brisbane

Sat 25/4

19:35-12:20

2 stops56h 45m

$2,013

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Mon 2/3

16:36-08:45

2 stops23h 09m

Brisbane

Thu 30/4

10:00-17:45

2 stops23h 45m

$2,749

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Sat 28/2

16:36-08:45

2 stops23h 09m

Brisbane

Thu 30/4

10:00-17:45

2 stops23h 45m

$2,808

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted 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

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, June is the cheapest month to fly from Montana to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,607. If you don’t want to visit Australia in June, then you should wait until March to fly from Montana, when ticket prices are also cheap, with an average price of $1,613.

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.

Search flight deals

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.