How long is the flight from Montana to Australia?

Flight times from Montana to Australia vary, but if you’re flying out of Missoula and flying into Sydney (one of the most popular routes), then the duration is 22h 36m on average. Another popular route from Montana to Australia is flying from Bozeman to Sydney, which will take roughly 22h 38m. Keep in mind that layovers or delays could extend your travel time.

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

American Airlines and Delta are the most popular carriers 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 many operators does momondo search for flights from Montana to Australia?

As of March 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.

$604 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.

4:15 pm - 6:55 am

BZN

SYD

22h 40m

1 stop

12:00 pm - 8:39 pm

SYD

BZN

24h 39m

1 stop

$1,225Multiple Airlines

Sun, Aug 9 - Tue, Aug 18

4:11 pm - 6:55 am

FCA

SYD

22h 44m

1 stop

9:30 am - 12:21 pm

SYD

FCA

18h 51m

1 stop

$1,228United Airlines

Wed, Aug 5 - Wed, Aug 19

1:22 pm - 7:30 am

BZN

SYD

26h 08m

2 stops

9:25 pm - 11:10 am

SYD

BZN

29h 45m

2 stops

$1,229American Airlines

Sun, Aug 9 - Tue, Aug 18

5:15 am - 6:50 am

BZN

SYD

33h 35m

2 stops

9:15 am - 2:36 pm

SYD

BZN

21h 21m

2 stops

$1,233Delta

Sun, Aug 9 - Sun, Aug 16

6:00 pm - 6:50 am

BZN

SYD

44h 50m

2 stops

9:15 am - 2:36 pm

SYD

BZN

21h 21m

2 stops

$1,247Delta

Sat, Aug 8 - Sun, Aug 16

4:15 pm - 6:55 am

BZN

SYD

22h 40m

1 stop

12:00 pm - 8:39 pm

SYD

BZN

24h 39m

1 stop

$1,254Qantas Airways

Sun, Aug 9 - Mon, Aug 17

11:48 am - 6:55 am

BZN

SYD

27h 07m

1 stop

12:00 pm - 8:44 pm

SYD

BZN

24h 44m

1 stop

$1,271Qantas Airways

Mon, Jun 1 - Thu, Jun 11

6:45 am - 6:55 am

MSO

SYD

32h 10m

1 stop

9:10 am - 4:14 pm

SYD

MSO

23h 04m

1 stop

$1,315American Airlines

Wed, May 20 - Sun, May 31

5:16 pm - 10:55 am

BZN

MEL

25h 39m

2 stops

9:00 pm - 4:14 pm

MEL

BZN

35h 14m

2 stops

$1,591Air New Zealand

Mon, Jun 8 - Mon, Jun 22

3:40 pm - 7:30 am

BZN

MEL

23h 50m

1 stop

6:55 pm - 2:56 pm

MEL

BZN

60h 01m

2 stops

$1,633Air New Zealand

Fri, Sep 4 - Sat, Sep 12

American Airlines flights from Montana to Australia

Our best American Airlines deals on Montana to Australia flight tickets

American Airlines

Aug 9

BZN1:22 pmBozeman Gallatin Field

26h 08m

2 stops

SYD7:30 amSydney Kingsford Smith

Aug 18

SYD9:25 pmSydney Kingsford Smith

29h 45m

2 stops

BZN11:10 amBozeman Gallatin Field

$1,229

American Airlines

Jun 1

BZN11:48 amBozeman Gallatin Field

27h 17m

2 stops

SYD7:05 amSydney Kingsford Smith

Jun 12

SYD9:25 pmSydney Kingsford Smith

29h 33m

2 stops

BZN10:58 amBozeman Gallatin Field

$1,279

American Airlines

May 20

MSO6:45 amMissoula Johnson-Bell Field

32h 10m

1 stop

SYD6:55 amSydney Kingsford Smith

May 31

SYD9:10 amSydney Kingsford Smith

23h 04m

1 stop

MSO4:14 pmMissoula Johnson-Bell Field

$1,315

Delta flights from Montana to Australia

Our best Delta deals on Montana to Australia flight tickets

Delta

Aug 9

BZN5:15 amBozeman Gallatin Field

33h 35m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 16

SYD9:15 amSydney Kingsford Smith

21h 21m

2 stops

BZN2:36 pmBozeman Gallatin Field

$1,233

Delta

Aug 8

BZN6:00 pmBozeman Gallatin Field

44h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 16

SYD9:15 amSydney Kingsford Smith

21h 21m

2 stops

BZN2:36 pmBozeman Gallatin Field

$1,247

Delta

Jun 1

BZN1:00 pmBozeman Gallatin Field

25h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Jun 11

SYD9:15 amSydney Kingsford Smith

31h 08m

2 stops

BZN12:23 amBozeman Gallatin Field

$1,273

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sun 8/9

4:15 pm-6:55 am

1 stop22h 40m

Sydney Kingsford Smith

Tue 8/18

12:00 pm-8:39 pm

1 stop24h 39m

$1,225

Quickest round-trip

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

Wed 8/5

4:11 pm-6:55 am

1 stop22h 44m

Sydney Kingsford Smith

Wed 8/19

9:30 am-12:21 pm

1 stop18h 51m

$1,228

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sun 8/9

1:22 pm-7:30 am

2 stops26h 08m

Sydney Kingsford Smith

Tue 8/18

9:25 pm-11:10 am

2 stops29h 45m

$1,229

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sun 8/9

5:15 am-6:50 am

2 stops33h 35m

Sydney Kingsford Smith

Sun 8/16

9:15 am-2:36 pm

2 stops21h 21m

$1,233

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 8/8

6:00 pm-6:50 am

2 stops44h 50m

Sydney Kingsford Smith

Sun 8/16

9:15 am-2:36 pm

2 stops21h 21m

$1,247

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sun 8/9

4:15 pm-6:55 am

1 stop22h 40m

Sydney Kingsford Smith

Mon 8/17

12:00 pm-8:39 pm

1 stop24h 39m

$1,254

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Thu 6/11

12:00 pm-8:44 pm

1 stop24h 44m

$1,271

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 5/20

6:45 am-6:55 am

1 stop32h 10m

Sydney Kingsford Smith

Sun 5/31

9:10 am-4:14 pm

1 stop23h 04m

$1,315

BozemanMelbourne

BZN - MEL

BZNMEL

Bozeman Gallatin Field

Mon 6/8

5:16 pm-10:55 am

2 stops25h 39m

Melbourne

Mon 6/22

9:00 pm-4:14 pm

2 stops35h 14m

$1,591

BozemanMelbourne

BZN - MEL

BZNMEL

Bozeman Gallatin Field

Fri 9/4

3:40 pm-7:30 am

1 stop23h 50m

Melbourne

Sat 9/12

6:55 pm-2:56 pm

2 stops60h 01m

$1,633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

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 March 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 $860	Free Cancellation	Rating 7.4 9,491 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.