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 47m on average. Another popular route from Montana to Australia is flying from Bozeman to Sydney, which will take roughly 23h 07m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines, Qantas Airways, 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 October 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.

$576 Cheap Flights from Montana to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

3:46 pm - 11:05 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

25h 19m2 stops Dallas/Fort Worth Brisbane

11:15 am - 4:08 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

22h 53m2 stops Los Angeles Boise Air Term. Gowen Fld

$1,150Multiple Airlines

Tue, Feb 2 - Thu, Feb 18

6:15 am - 7:30 amMSO Missoula Johnson-Bell Field-BNE Brisbane

32h 15m2 stops Denver Intl San Francisco

11:20 am - 9:47 pmBNE Brisbane-MSO Missoula Johnson-Bell Field

27h 27m2 stops San Francisco Denver Intl

$1,170United Airlines

Mon, Nov 16 - Mon, Nov 23

2:37 pm - 7:30 amMSO Missoula Johnson-Bell Field-BNE Brisbane

23h 53m2 stops Denver Intl San Francisco

11:20 am - 9:47 pmBNE Brisbane-MSO Missoula Johnson-Bell Field

27h 27m2 stops San Francisco Denver Intl

$1,171United Airlines

Sat, Nov 14 - Sat, Nov 21

1:30 pm - 10:35 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

27h 05m2 stops Los Angeles Auckland Intl

9:55 am - 4:37 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

24h 42m2 stops Auckland Intl Los Angeles

$1,185Air New Zealand

Sun, Jan 24 - Sun, Feb 28

7:45 pm - 6:25 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

41h 40m2 stops Seattle/Tacoma Intl San Francisco

11:10 am - 11:59 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

30h 49m2 stops Los Angeles Seattle/Tacoma Intl

$1,188Multiple Airlines

Tue, Oct 27 - Sat, Nov 7

1:03 pm - 6:25 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

24h 22m2 stops Portland Los Angeles

11:00 am - 11:59 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

30h 59m3 stops Brisbane Los Angeles Seattle/Tacoma Intl

$1,190Multiple Airlines

Tue, Oct 27 - Sat, Nov 7

10:20 am - 6:25 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

27h 05m2 stops Seattle/Tacoma Intl Los Angeles

11:00 am - 10:52 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

29h 52m3 stops Brisbane Los Angeles Seattle/Tacoma Intl

$1,190Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

1:15 pm - 8:35 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

25h 20m2 stops Los Angeles Auckland Intl

7:30 am - 4:37 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

27h 07m2 stops Auckland Intl Los Angeles

$1,203Air New Zealand

Mon, Feb 1 - Mon, Feb 22

1:47 pm - 6:55 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

24h 08m1 stop Dallas/Fort Worth

6:05 am - 12:52 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

24h 47m2 stops Brisbane Dallas/Fort Worth

$1,206Qantas Airways

Sat, Oct 31 - Sat, Nov 7

1:28 pm - 8:40 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

26h 12m1 stop Los Angeles

11:50 am - 3:16 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

21h 26m1 stop San Francisco

$1,238United Airlines

Sat, Oct 31 - Sat, Nov 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:30 am - 7:50 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

33h 20m2 stops Salt Lake City Los Angeles

10:15 am - 10:57 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

29h 42m2 stops Los Angeles Salt Lake City

$1,572Delta

Fri, Oct 9 - Thu, Oct 22

5:30 am - 7:50 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

33h 20m2 stops Salt Lake City Los Angeles

10:15 am - 10:57 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

29h 42m2 stops Los Angeles Salt Lake City

$1,573Delta

Fri, Oct 9 - Thu, Oct 22

12:26 pm - 8:00 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

50h 34m2 stops Chicago O'Hare Intl Los Angeles

11:20 am - 3:16 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

20h 56m1 stop San Francisco

$1,709United Airlines

Fri, Oct 9 - Thu, Oct 22

12:26 pm - 8:00 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

50h 34m2 stops Chicago O'Hare Intl Los Angeles

11:20 am - 10:04 amSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

39h 44m2 stops San Francisco Denver Intl

$1,709United Airlines

Fri, Oct 9 - Thu, Oct 22

5:30 am - 7:50 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

33h 20m2 stops Salt Lake City Los Angeles

10:15 am - 10:57 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

29h 42m2 stops Los Angeles Salt Lake City

$1,741Delta

Fri, Oct 9 - Thu, Oct 22

2:30 pm - 7:55 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

48h 25m2 stops Denver Intl San Francisco

11:20 am - 3:16 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

20h 56m1 stop San Francisco

$1,771United Airlines

Fri, Oct 9 - Thu, Oct 22

2:30 pm - 7:55 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

48h 25m2 stops Denver Intl San Francisco

11:20 am - 3:16 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

20h 56m1 stop San Francisco

$1,772United Airlines

Fri, Oct 9 - Thu, Oct 22

7:45 pm - 6:50 pmFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

30h 05m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 7:05 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

39h 20m2 stops Honolulu Seattle/Tacoma Intl

$1,832Multiple Airlines

Fri, Oct 9 - Thu, Oct 22

4:17 pm - 7:55 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

22h 38m1 stop San Francisco

11:20 am - 3:16 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

20h 56m1 stop San Francisco

$1,861United Airlines

Fri, Oct 9 - Thu, Oct 22

6:05 am - 8:00 amFCA Kalispell Glacier Park-SYD Sydney Kingsford Smith

32h 55m2 stops Denver Intl Los Angeles

11:20 am - 3:16 pmSYD Sydney Kingsford Smith-FCA Kalispell Glacier Park

20h 56m1 stop San Francisco

$1,866United Airlines

Fri, Oct 9 - Thu, Oct 22

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Air New Zealand flights from Montana to Australia

Our best Air New Zealand deals on Montana to Australia flight tickets

Air New Zealand

Jan 24

BZN1:30 pmBozeman Gallatin Field

27h 05m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 28

SYD9:55 amSydney Kingsford Smith

24h 42m

2 stops

BZN4:37 pmBozeman Gallatin Field

$1,185

Air New Zealand

Feb 1

BZN1:15 pmBozeman Gallatin Field

25h 20m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 22

SYD7:30 amSydney Kingsford Smith

27h 07m

2 stops

BZN4:37 pmBozeman Gallatin Field

$1,203

Air New Zealand

Feb 2

BZN1:15 pmBozeman Gallatin Field

25h 20m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 18

SYD2:05 pmSydney Kingsford Smith

44h 32m

2 stops

BZN4:37 pmBozeman Gallatin Field

$1,250

Qantas Airways flights from Montana to Australia

Our best Qantas Airways deals on Montana to Australia flight tickets

Qantas Airways

Feb 2

BZN3:46 pmBozeman Gallatin Field

25h 59m

2 stops

SYD11:45 amSydney Kingsford Smith

Feb 18

SYD2:05 pmSydney Kingsford Smith

40h 58m

1 stop

BZN1:03 pmBozeman Gallatin Field

$1,178

Qantas Airways

Oct 31

BZN1:47 pmBozeman Gallatin Field

24h 08m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 7

SYD6:05 amSydney Kingsford Smith

24h 47m

2 stops

BZN12:52 pmBozeman Gallatin Field

$1,206

Qantas Airways

Nov 16

MSO6:50 amMissoula Johnson-Bell Field

35h 50m

2 stops

BNE11:40 amBrisbane

Nov 23

BNE9:40 amBrisbane

28h 49m

1 stop

MSO9:29 pmMissoula Johnson-Bell Field

$1,625

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 2/2

3:46 pm-11:05 am

2 stops25h 19m

Sydney Kingsford Smith

Thu 2/18

11:15 am-4:08 pm

2 stops22h 53m

$1,150

MissoulaBrisbane

MSO Missoula Johnson-Bell Field - BNE Brisbane

MSOBNE

Missoula Johnson-Bell Field

Mon 11/16

6:15 am-7:30 am

2 stops32h 15m

Brisbane

Mon 11/23

11:20 am-9:47 pm

2 stops27h 27m

$1,170

MissoulaBrisbane

MSO Missoula Johnson-Bell Field - BNE Brisbane

MSOBNE

Missoula Johnson-Bell Field

Sat 11/14

2:37 pm-7:30 am

2 stops23h 53m

Brisbane

Sat 11/21

11:20 am-9:47 pm

2 stops27h 27m

$1,171

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Sun 1/24

1:30 pm-10:35 am

2 stops27h 05m

Sydney Kingsford Smith

Sun 2/28

9:55 am-4:37 pm

2 stops24h 42m

$1,185

KalispellSydney

FCA Kalispell Glacier Park - SYD Sydney Kingsford Smith

FCASYD

Kalispell Glacier Park

Tue 10/27

7:45 pm-6:25 am

2 stops41h 40m

Sydney Kingsford Smith

Sat 11/7

11:10 am-11:59 pm

2 stops30h 49m

$1,188

KalispellSydney

FCA Kalispell Glacier Park - SYD Sydney Kingsford Smith

FCASYD

Kalispell Glacier Park

Tue 10/27

1:03 pm-6:25 am

2 stops24h 22m

Sydney Kingsford Smith

Sat 11/7

11:00 am-11:59 pm

3 stops30h 59m

$1,190

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Sat 10/31

10:20 am-6:25 am

2 stops27h 05m

Sydney Kingsford Smith

Sat 11/7

11:00 am-10:52 pm

3 stops29h 52m

$1,190

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Mon 2/1

1:15 pm-8:35 am

2 stops25h 20m

Sydney Kingsford Smith

Mon 2/22

7:30 am-4:37 pm

2 stops27h 07m

$1,203

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Sat 10/31

1:47 pm-6:55 am

1 stop24h 08m

Sydney Kingsford Smith

Sat 11/7

6:05 am-12:52 pm

2 stops24h 47m

$1,206

Quickest round-trip

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Sat 10/31

1:28 pm-8:40 am

1 stop26h 12m

Sydney Kingsford Smith

Sat 11/7

11:50 am-3:16 pm

1 stop21h 26m

$1,238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Best Price Found	$576
Fastest flight time	22h 47m
Direct flights	None

The best one-way flight to Australia from Montana in the past 72 hours is $576. The best round-trip flight deal from Montana to Australia found on momondo in the last 72 hours is $1,150.

The fastest flight from Montana to Australia takes 22h 47m

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 many operators does momondo search for flights from Montana to Australia?
As of October 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 $1,124	Free Cancellation	Rating 7.4 10,283 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.