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

American Airlines, Delta, and United Airlines are the most popular carriers operating from Montana to Australia

How long is the flight from Montana to Australia?

Flight times from Montana to Australia vary, but if you’re flying out of Bozeman and flying into Sydney (one of the most popular routes), then the duration is 22h 19m on average. Another popular route from Montana to Australia is flying from Missoula to Sydney, which will take roughly 31h. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Montana to Australia?

Prices for flights from Montana to Australia are updated daily.

How many operators does momondo search for flights from Montana to Australia?

As of February 2026, there is 1 operator available to choose from for flights from Montana to Australia.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 license 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.

$577 Cheap Flights from Montana to Australia in 2026

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Find the cheapest flights from Montana to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:36 pm - 6:55 am

BZN

SYD

22h 19m

1 stop

1:05 pm - 12:57 pm

SYD

BZN

40h 52m

1 stop

$1,162Qantas Airways

Wed, Mar 18 - Wed, Mar 25

1:47 pm - 6:55 am

BZN

SYD

23h 08m

1 stop

11:20 am - 9:38 pm

SYD

BZN

27h 18m

2 stops

$1,170American Airlines

Mon, Mar 2 - Mon, Mar 9

3:36 pm - 9:00 am

BZN

SYD

24h 24m

2 stops

11:20 am - 12:57 pm

SYD

BZN

42h 37m

2 stops

$1,181American Airlines

Wed, Mar 18 - Wed, Mar 25

3:36 pm - 6:55 am

BZN

SYD

22h 19m

1 stop

11:20 am - 12:57 pm

SYD

BZN

42h 37m

2 stops

$1,182American Airlines

Wed, Mar 18 - Wed, Mar 25

3:36 pm - 12:15 pm

BZN

SYD

26h 39m

2 stops

11:20 am - 9:38 pm

SYD

BZN

27h 18m

2 stops

$1,195American Airlines

Mon, Mar 2 - Mon, Mar 9

4:30 pm - 8:30 am

BZN

SYD

22h 00m

1 stop

1:15 pm - 3:16 pm

SYD

BZN

19h 01m

1 stop

$1,219Delta

Mon, Mar 2 - Mon, Mar 9

1:05 pm - 9:05 am

BZN

SYD

26h 00m

1 stop

10:25 am - 12:14 pm

SYD

BZN

18h 49m

1 stop

$1,221United Airlines

Sun, Mar 1 - Wed, Mar 11

6:15 am - 9:15 am

MSO

SYD

34h 00m

2 stops

10:25 am - 9:57 pm

SYD

MSO

28h 32m

2 stops

$1,225United Airlines

Sun, Mar 8 - Wed, Mar 11

4:29 pm - 7:00 am

BZN

SYD

44h 31m

2 stops

12:10 pm - 2:21 pm

SYD

BZN

20h 11m

1 stop

$1,225United Airlines

Sat, Feb 28 - Wed, Mar 4

4:23 pm - 7:45 pm

MSO

SYD

34h 22m

2 stops

9:40 pm - 1:13 pm

SYD

MSO

32h 33m

3 stops

$2,132Hawaiian Airlines

Fri, Mar 20 - Fri, Mar 27

United Airlines flights from Montana to Australia

Our best United Airlines deals on Montana to Australia flight tickets

United Airlines

Mar 1

BZN1:05 pmBozeman Gallatin Field

26h 00m

1 stop

SYD9:05 amSydney Kingsford Smith

Mar 11

SYD10:25 amSydney Kingsford Smith

18h 49m

1 stop

BZN12:14 pmBozeman Gallatin Field

$1,221

United Airlines

Mar 8

MSO6:15 amMissoula Johnson-Bell Field

34h 00m

2 stops

SYD9:15 amSydney Kingsford Smith

Mar 11

SYD10:25 amSydney Kingsford Smith

28h 32m

2 stops

MSO9:57 pmMissoula Johnson-Bell Field

$1,225

United Airlines

Feb 28

BZN2:16 pmBozeman Gallatin Field

48h 49m

2 stops

SYD9:05 amSydney Kingsford Smith

Mar 4

SYD11:20 amSydney Kingsford Smith

18h 39m

1 stop

BZN11:59 amBozeman Gallatin Field

$1,243

Delta flights from Montana to Australia

Our best Delta deals on Montana to Australia flight tickets

Delta

Mar 2

BZN4:30 pmBozeman Gallatin Field

22h 00m

1 stop

SYD8:30 amSydney Kingsford Smith

Mar 9

SYD1:15 pmSydney Kingsford Smith

19h 01m

1 stop

BZN3:16 pmBozeman Gallatin Field

$1,219

Delta

Jun 1

BZN5:35 amBozeman Gallatin Field

33h 15m

2 stops

SYD6:50 amSydney Kingsford Smith

Jun 11

SYD9:15 amSydney Kingsford Smith

30h 44m

2 stops

BZN11:59 pmBozeman Gallatin Field

$1,274

Delta

Feb 14

BZN4:30 pmBozeman Gallatin Field

22h 00m

1 stop

SYD8:30 amSydney Kingsford Smith

Feb 28

SYD10:40 amSydney Kingsford Smith

23h 05m

1 stop

BZN3:45 pmBozeman Gallatin Field

$1,279

Fly from

Fly to

Route

Depart

Return

Price

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 3/18

3:36 pm-6:55 am

1 stop22h 19m

Sydney Kingsford Smith

Wed 3/25

1:05 pm-12:57 pm

1 stop40h 52m

$1,162

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 3/2

1:47 pm-6:55 am

1 stop23h 08m

Sydney Kingsford Smith

Mon 3/9

11:20 am-9:38 pm

2 stops27h 18m

$1,170

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 3/18

3:36 pm-9:00 am

2 stops24h 24m

Sydney Kingsford Smith

Wed 3/25

11:20 am-12:57 pm

2 stops42h 37m

$1,181

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 3/18

3:36 pm-6:55 am

1 stop22h 19m

Sydney Kingsford Smith

Wed 3/25

11:20 am-12:57 pm

2 stops42h 37m

$1,182

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 3/2

3:36 pm-12:15 pm

2 stops26h 39m

Sydney Kingsford Smith

Mon 3/9

11:20 am-9:38 pm

2 stops27h 18m

$1,195

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 3/2

4:30 pm-8:30 am

1 stop22h 00m

Sydney Kingsford Smith

Mon 3/9

1:15 pm-3:16 pm

1 stop19h 01m

$1,219

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sun 3/1

1:05 pm-9:05 am

1 stop26h 00m

Sydney Kingsford Smith

Wed 3/11

10:25 am-12:14 pm

1 stop18h 49m

$1,221

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 3/8

6:15 am-9:15 am

2 stops34h 00m

Sydney Kingsford Smith

Wed 3/11

10:25 am-9:57 pm

2 stops28h 32m

$1,225

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 2/28

4:29 pm-7:00 am

2 stops44h 31m

Sydney Kingsford Smith

Wed 3/4

12:10 pm-2:21 pm

1 stop20h 11m

$1,225

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 3/20

4:23 pm-7:45 pm

2 stops34h 22m

Sydney Kingsford Smith

Fri 3/27

9:40 pm-1:13 pm

3 stops32h 33m

$2,132

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

Other information

What is the cheapest month to fly to Australia?

The month of June is, on average, the cheapest month to fly to Australia from Montana, with most prices found around $1,122. If you aren’t able to travel during the month of June, then book flights to Australia from Montana during March instead. Flights to Australia in March, while not as cheap as those in June, still average around $1,126.

Can stopping save me money on Montana to Australia flights?

You could potentially save up to 3% 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 many operators does momondo search for flights from Montana to Australia?
As of February 2026, there is 1 operator available to choose from for flights from Montana to Australia.
How old do you have to be to fly from Montana to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 license 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.

Best airlines flying from Montana to Australia

Compare and see reviews for airlines that fly from Montana to Australia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $878	Free Cancellation	Rating 7.4 9,236 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Australia from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Montana to Australia flights to just show those with flexible booking policies.

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 simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Montana and alert you when they change.