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

Alaska Airlines, United Airlines, and American 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 40m on average. Another popular route from Montana to Australia is flying from Missoula to Sydney, which will take roughly 24h 38m. 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 November 2025, 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.

$817 Cheap Flights from Montana to Australia in 2025/26

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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.

5:00 am - 8:30 amMSO-SYD

33h 30m2 stops

2:15 pm - 5:21 pmSYD-MSO

21h 06m2 stops

$1,169Delta

Find Deal

Wed, Feb 11 - Tue, Mar 3

6:15 am - 6:30 amHLN-BNE

32h 15m2 stops

10:40 am - 8:59 pmBNE-HLN

26h 19m2 stops

$1,214United Airlines

Find Deal

Tue, Mar 17 - Sat, Mar 21

7:25 pm - 7:45 pmBZN-SYD

30h 20m2 stops

9:40 pm - 10:42 amSYD-BZN

31h 02m2 stops

$1,338Alaska Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 30

12:00 pm - 7:45 pmBZN-SYD

37h 45m2 stops

9:40 pm - 1:06 pmSYD-BZN

33h 26m2 stops

$1,361Alaska Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 30

1:21 pm - 9:00 amMSO-SYD

25h 39m2 stops

2:05 pm - 9:45 pmSYD-MSO

25h 40m1 stop

$1,400American Airlines

Find Deal

Wed, Feb 11 - Tue, Mar 3

7:01 am - 9:00 amMSO-SYD

31h 59m2 stops

2:05 pm - 9:45 pmSYD-MSO

25h 40m1 stop

$1,404American Airlines

Find Deal

Thu, Feb 12 - Wed, Mar 4

2:13 pm - 10:55 amBZN-SYD

26h 42m2 stops

2:05 pm - 1:19 pmSYD-BZN

41h 14m1 stop

$1,619Qantas Airways

Find Deal

Fri, Jan 16 - Fri, Jan 30

2:13 pm - 12:15 pmBZN-SYD

28h 02m2 stops

2:05 pm - 1:19 pmSYD-BZN

41h 14m1 stop

$1,637Qantas Airways

Find Deal

Fri, Jan 16 - Fri, Jan 30

6:15 am - 8:45 amBZN-SYD

32h 30m3 stops

11:45 am - 9:13 pmSYD-BZN

27h 28m3 stops

$1,860Multiple Airlines

Find Deal

Wed, Feb 4 - Sat, Feb 14

10:50 am - 8:45 amBZN-SYD

27h 55m3 stops

11:45 am - 9:33 pmSYD-BZN

27h 48m3 stops

$2,062Multiple Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 30

Delta flights from Montana to Australia

Our best Delta deals on Montana to Australia flight tickets

Delta

Feb 11

MSO5:00 amMissoula Johnson-Bell Field

33h 30m

2 stops

SYD8:30 amSydney Kingsford Smith

Mar 3

SYD2:15 pmSydney Kingsford Smith

21h 06m

2 stops

MSO5:21 pmMissoula Johnson-Bell Field

$1,169

Find similar

Delta

Feb 4

BZN3:50 pmBozeman Gallatin Field

22h 40m

1 stop

SYD8:30 amSydney Kingsford Smith

Feb 14

SYD2:15 pmSydney Kingsford Smith

19h 34m

1 stop

BZN3:49 pmBozeman Gallatin Field

$1,214

Find similar

Delta

Feb 12

MSO5:05 amMissoula Johnson-Bell Field

31h 45m

2 stops

SYD6:50 amSydney Kingsford Smith

Mar 4

SYD10:40 amSydney Kingsford Smith

31h 49m

2 stops

MSO12:29 amMissoula Johnson-Bell Field

$1,219

Find similar

Alaska Airlines flights from Montana to Australia

Our best Alaska Airlines deals on Montana to Australia flight tickets

Alaska Airlines

Jan 16

BZN7:25 pmBozeman Gallatin Field

30h 20m

2 stops

SYD7:45 pmSydney Kingsford Smith

Jan 30

SYD9:40 pmSydney Kingsford Smith

31h 02m

2 stops

BZN10:42 amBozeman Gallatin Field

$1,338

Find similar

Alaska Airlines

Jan 16

BZN12:00 pmBozeman Gallatin Field

37h 45m

2 stops

SYD7:45 pmSydney Kingsford Smith

Jan 30

SYD9:40 pmSydney Kingsford Smith

33h 26m

2 stops

BZN1:06 pmBozeman Gallatin Field

$1,361

Find similar

Alaska Airlines

Jan 16

BZN7:25 pmBozeman Gallatin Field

30h 20m

2 stops

SYD7:45 pmSydney Kingsford Smith

Jan 30

SYD9:40 pmSydney Kingsford Smith

31h 02m

3 stops

BZN10:42 amBozeman Gallatin Field

$1,459

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

5:00 am-8:30 am

2 stops33h 30m

Sydney Kingsford Smith

Tue 3/3

2:15 pm-5:21 pm

2 stops21h 06m

$1,169

HelenaBrisbane

HLN - BNE

HLNBNE

Helena

Tue 3/17

6:15 am-6:30 am

2 stops32h 15m

Brisbane

Sat 3/21

10:40 am-8:59 pm

2 stops26h 19m

$1,214

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

7:25 pm-7:45 pm

2 stops30h 20m

Sydney Kingsford Smith

Fri 1/30

9:40 pm-10:42 am

2 stops31h 02m

$1,338

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

12:00 pm-7:45 pm

2 stops37h 45m

Sydney Kingsford Smith

Fri 1/30

9:40 pm-1:06 pm

2 stops33h 26m

$1,361

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

1:21 pm-9:00 am

2 stops25h 39m

Sydney Kingsford Smith

Tue 3/3

2:05 pm-9:45 pm

1 stop25h 40m

$1,400

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

7:01 am-9:00 am

2 stops31h 59m

Sydney Kingsford Smith

Wed 3/4

2:05 pm-9:45 pm

1 stop25h 40m

$1,404

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

2:13 pm-10:55 am

2 stops26h 42m

Sydney Kingsford Smith

Fri 1/30

2:05 pm-1:19 pm

1 stop41h 14m

$1,619

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

2:13 pm-12:15 pm

2 stops28h 02m

Sydney Kingsford Smith

Fri 1/30

2:05 pm-1:19 pm

1 stop41h 14m

$1,637

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 2/4

6:15 am-8:45 am

3 stops32h 30m

Sydney Kingsford Smith

Sat 2/14

11:45 am-9:13 pm

3 stops27h 28m

$1,860

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

10:50 am-8:45 am

3 stops27h 55m

Sydney Kingsford Smith

Fri 1/30

11:45 am-9:33 pm

3 stops27h 48m

$2,062

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 $1,194.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Montana to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $995. On the other hand, Friday is the most expensive day to depart from Montana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $3,153.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Montana in the morning is the least expensive time of day to depart. momondo users have found prices as low as $995 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,522 on average. Flights to Australia from Montana at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Montana to Australia flights?

You could potentially save up to 6% 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

Direct flights	None

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 November 2025, 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 8,997 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.