What is the cheapest airline that flies from Montana to Sydney Kingsford Smith?

Qantas Airways and American Airlines are the most popular carriers operating from Montana to Sydney Kingsford Smith

How long does it take to fly to Sydney?

Flight times from Montana to Sydney vary, but if you’re flying out of Kalispell and flying into Sydney (one of the most popular routes), then the duration is 23h 08m on average. Another popular route from Montana to Sydney is flying from Bozeman to Sydney, which will take roughly 24h 07m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Montana to Sydney Kingsford Smith Airport?

Prices for flights from Montana to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from Montana to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from Montana to Sydney Kingsford Smith Airport as of September 2026.

How old do you have to be to fly from Montana to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$635 Cheap Flights from Montana to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Sydney

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7:03 am - 6:25 amMSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

30h 22m3 stops Seattle/Tacoma Intl Portland Los Angeles

11:05 am - 9:18 pmSYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

28h 13m3 stops Brisbane Los Angeles Seattle/Tacoma Intl

$1,154Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

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

24h 08m1 stop Dallas/Fort Worth

11:05 am - 10:52 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

29h 47m3 stops Brisbane Los Angeles Seattle/Tacoma Intl

$1,154Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

1:55 pm - 6:25 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

23h 30m2 stops Seattle/Tacoma Intl Los Angeles

11:05 am - 10:52 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

29h 47m3 stops Brisbane Los Angeles Seattle/Tacoma Intl

$1,154Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

1:30 pm - 12:50 pmBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

29h 20m2 stops Los Angeles Auckland Intl

9:55 am - 12:01 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

44h 06m2 stops Auckland Intl Los Angeles

$1,198Air New Zealand

Tue, Feb 2 - Thu, Feb 18

1:30 pm - 12:50 pmBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

29h 20m2 stops Los Angeles Auckland Intl

2:05 pm - 12:01 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

39h 56m2 stops Auckland Intl Los Angeles

$1,199Air New Zealand

Tue, Feb 2 - Thu, Feb 18

1:30 pm - 12:50 pmBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

29h 20m2 stops Los Angeles Auckland Intl

9:55 am - 12:01 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

44h 06m2 stops Auckland Intl Los Angeles

$1,200Air New Zealand

Tue, Feb 2 - Thu, Feb 18

1:30 pm - 12:50 pmBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

29h 20m2 stops Los Angeles Auckland Intl

2:05 pm - 12:01 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

39h 56m2 stops Auckland Intl Los Angeles

$1,200Air New Zealand

Tue, Feb 2 - Thu, Feb 18

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

27h 05m2 stops Los Angeles Auckland Intl

9:55 am - 12:01 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

44h 06m2 stops Auckland Intl Los Angeles

$1,211Air New Zealand

Tue, Feb 2 - Thu, Feb 18

1:28 pm - 8:05 amBZN Bozeman Gallatin Field-SYD Sydney Kingsford Smith

25h 37m1 stop Los Angeles

11:20 am - 12:22 pmSYD Sydney Kingsford Smith-BZN Bozeman Gallatin Field

19h 02m1 stop Los Angeles

$1,310United Airlines

Tue, Oct 27 - Tue, Nov 3

9:50 am - 7:00 amMSO Missoula Johnson-Bell Field-SYD Sydney Kingsford Smith

27h 10m2 stops Denver Intl Houston George Bush Intcntl

11:50 am - 9:47 pmSYD Sydney Kingsford Smith-MSO Missoula Johnson-Bell Field

27h 57m2 stops San Francisco Denver Intl

$1,314United Airlines

Wed, Dec 2 - Wed, Dec 16

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United Airlines flights from Montana to Sydney

Our best United Airlines deals on Montana to Sydney flight tickets

United Airlines

Oct 27

BZN1:28 pmBozeman Gallatin Field

25h 37m

1 stop

SYD8:05 amSydney Kingsford Smith

Nov 3

SYD11:20 amSydney Kingsford Smith

19h 02m

1 stop

BZN12:22 pmBozeman Gallatin Field

$1,310

United Airlines

Dec 2

MSO9:50 amMissoula Johnson-Bell Field

27h 10m

2 stops

SYD7:00 amSydney Kingsford Smith

Dec 16

SYD11:50 amSydney Kingsford Smith

27h 57m

2 stops

MSO9:47 pmMissoula Johnson-Bell Field

$1,314

United Airlines

Dec 1

FCA6:15 amKalispell Glacier Park

32h 50m

2 stops

SYD9:05 amSydney Kingsford Smith

Dec 8

SYD11:50 amSydney Kingsford Smith

28h 01m

2 stops

FCA9:51 pmKalispell Glacier Park

$1,315

Air New Zealand flights from Montana to Sydney

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

Air New Zealand

Feb 2

BZN1:30 pmBozeman Gallatin Field

29h 20m

2 stops

SYD12:50 pmSydney Kingsford Smith

Feb 18

SYD9:55 amSydney Kingsford Smith

44h 06m

2 stops

BZN12:01 pmBozeman Gallatin Field

$1,198

Air New Zealand

Feb 2

BZN1:30 pmBozeman Gallatin Field

29h 20m

2 stops

SYD12:50 pmSydney Kingsford Smith

Feb 18

SYD2:05 pmSydney Kingsford Smith

39h 56m

2 stops

BZN12:01 pmBozeman Gallatin Field

$1,199

Air New Zealand

Feb 2

BZN1:30 pmBozeman Gallatin Field

29h 20m

2 stops

SYD12:50 pmSydney Kingsford Smith

Feb 18

SYD2:05 pmSydney Kingsford Smith

39h 56m

2 stops

BZN12:01 pmBozeman Gallatin Field

$1,200

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Thu 10/29

7:03 am-6:25 am

3 stops30h 22m

Sydney Kingsford Smith

Thu 11/5

11:05 am-9:18 pm

3 stops28h 13m

$1,154

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 10/27

1:47 pm-6:55 am

1 stop24h 08m

Sydney Kingsford Smith

Tue 11/3

11:05 am-10:52 pm

3 stops29h 47m

$1,154

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 10/27

1:55 pm-6:25 am

2 stops23h 30m

Sydney Kingsford Smith

Tue 11/3

11:05 am-10:52 pm

3 stops29h 47m

$1,154

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 2/2

1:30 pm-12:50 pm

2 stops29h 20m

Sydney Kingsford Smith

Thu 2/18

9:55 am-12:01 pm

2 stops44h 06m

$1,198

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 2/2

1:30 pm-12:50 pm

2 stops29h 20m

Sydney Kingsford Smith

Thu 2/18

2:05 pm-12:01 pm

2 stops39h 56m

$1,199

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 2/2

1:30 pm-12:50 pm

2 stops29h 20m

Sydney Kingsford Smith

Thu 2/18

9:55 am-12:01 pm

2 stops44h 06m

$1,200

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 2/2

1:30 pm-12:50 pm

2 stops29h 20m

Sydney Kingsford Smith

Thu 2/18

2:05 pm-12:01 pm

2 stops39h 56m

$1,200

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 2/2

1:30 pm-10:35 am

2 stops27h 05m

Sydney Kingsford Smith

Thu 2/18

9:55 am-12:01 pm

2 stops44h 06m

$1,211

Quickest round-trip

BozemanSydney

BZN Bozeman Gallatin Field - SYD Sydney Kingsford Smith

BZNSYD

Bozeman Gallatin Field

Tue 10/27

1:28 pm-8:05 am

1 stop25h 37m

Sydney Kingsford Smith

Tue 11/3

11:20 am-12:22 pm

1 stop19h 02m

$1,310

MissoulaSydney

MSO Missoula Johnson-Bell Field - SYD Sydney Kingsford Smith

MSOSYD

Missoula Johnson-Bell Field

Wed 12/2

9:50 am-7:00 am

2 stops27h 10m

Sydney Kingsford Smith

Wed 12/16

11:50 am-9:47 pm

2 stops27h 57m

$1,314

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 Sydney

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

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Can stopping save me money on Montana to Sydney flights?

You could potentially save up to 23% on your flight if you consider stops on a Montana to Sydney flight.

Cheap Montana to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Sydney

Best Price Found	$635
Fastest flight time	23h 08m
Direct flights	None

The best one-way flight to Sydney from Montana in the past 72 hours is $635. The best round-trip flight deal from Montana to Sydney found on momondo in the last 72 hours is $1,154.

The fastest flight from Montana to Sydney takes 23h 08m

There are no direct flights from Montana to Sydney. There are no popular flight routes from Montana to Sydney.

Search flight deals

Frequently asked questions about flying from Montana to Sydney

When did momondo last update prices for flights from Montana to Sydney Kingsford Smith Airport?
Prices for flights from Montana to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Montana to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from Montana to Sydney Kingsford Smith Airport as of September 2026.
How old do you have to be to fly from Montana to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Sydney

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,340	Free Cancellation	Rating 7.4 10,214 reviews		Search United Airlines flights

Parramatta

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Wollongong

Penrith

Katoomba

Coogee

Cronulla

Leura

Randwick

Manly

Terrigal

Lithgow

Charlestown

Swansea

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montana to Sydney for you.

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

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

How can momondo help me find flights from Montana to Sydney?

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 Sydney from Montana.

I’m not ready to book a flight from Montana to Sydney right now. Can momondo alert me if prices change?

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

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Cheap flights from Montana to Sydney from $635

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Sydney departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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An easier way to manage your Sydney trip

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