How long does it take to fly to Sydney?

Flight times from Montana to Sydney vary, but if you’re flying out of Bozeman and flying into Sydney (one of the most popular routes), then the duration is 22h 33m on average. Another popular route from Montana to Sydney is flying from Kalispell to Sydney, which will take roughly 25h 05m. Keep in mind that layovers or delays could extend your travel time.

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

Delta is the most popular carrier operating from Montana to Sydney Kingsford Smith

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 August 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.

$678 Cheap Flights from Montana to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Sydney

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:55 pm - 7:30 am-

22h 35m

10:20 am - 11:09 pm-

29h 49m

$1,150Multiple Airlines

Thu, Oct 22 - Thu, Oct 29

3:19 pm - 7:00 am-

23h 41m

9:30 am - 2:13 pm-

20h 43m

$1,237United Airlines

Mon, Aug 31 - Mon, Sep 7

7:55 am - 7:00 am-

31h 05m

9:30 am - 2:13 pm-

20h 43m

$1,241United Airlines

Mon, Aug 31 - Mon, Sep 7

1:47 pm - 6:55 am-

24h 08m

6:00 am - 1:52 pm-

24h 52m

$1,266Qantas Airways

Wed, Oct 28 - Sun, Nov 1

3:42 pm - 7:30 am-

23h 48m

12:00 pm - 8:43 pm-

24h 43m

$1,297Multiple Airlines

Wed, Sep 9 - Mon, Sep 21

10:34 am - 7:30 am-

28h 56m

12:00 pm - 10:59 pm-

26h 59m

$1,308Multiple Airlines

Wed, Sep 9 - Mon, Sep 21

4:16 pm - 6:55 am-

22h 39m

12:00 pm - 8:43 pm-

24h 43m

$1,354American Airlines

Wed, Sep 9 - Mon, Sep 21

6:15 am - 6:20 am-

30h 05m

11:50 am - 4:10 pm-

22h 20m

$1,361United Airlines

Wed, Dec 2 - Wed, Dec 16

2:21 pm - 7:20 am-

24h 59m

9:20 am - 9:04 pm-

27h 44m

$1,387Multiple Airlines

Thu, Sep 24 - Tue, Sep 29

1:47 pm - 6:55 am-

24h 08m

6:00 am - 1:52 pm-

24h 52m

$1,391Qantas Airways

Wed, Oct 28 - Sun, Nov 1

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Qantas Airways flights from Montana to Sydney

Our best Qantas Airways deals on Montana to Sydney flight tickets

Qantas Airways

Oct 28

BZN1:47 pmBozeman Gallatin Field

24h 08m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 1

SYD6:00 amSydney Kingsford Smith

24h 52m

2 stops

BZN1:52 pmBozeman Gallatin Field

$1,266

Qantas Airways

Oct 28

BZN1:47 pmBozeman Gallatin Field

24h 08m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 1

SYD6:00 amSydney Kingsford Smith

24h 52m

2 stops

BZN1:52 pmBozeman Gallatin Field

$1,391

Qantas Airways

Aug 16

BZN1:35 pmBozeman Gallatin Field

24h 50m

2 stops

SYD6:25 amSydney Kingsford Smith

Aug 23

SYD9:10 amSydney Kingsford Smith

27h 27m

2 stops

BZN8:37 pmBozeman Gallatin Field

$1,462

American Airlines flights from Montana to Sydney

Our best American Airlines deals on Montana to Sydney flight tickets

American Airlines

Sep 9

BZN4:16 pmBozeman Gallatin Field

22h 39m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 21

SYD12:00 pmSydney Kingsford Smith

24h 43m

1 stop

BZN8:43 pmBozeman Gallatin Field

$1,354

American Airlines

Dec 2

MSO7:00 amMissoula Johnson-Bell Field

29h 55m

1 stop

SYD6:55 amSydney Kingsford Smith

Dec 16

SYD2:05 pmSydney Kingsford Smith

24h 28m

1 stop

MSO8:33 pmMissoula Johnson-Bell Field

$1,559

American Airlines

Dec 2

MSO7:00 amMissoula Johnson-Bell Field

29h 25m

2 stops

SYD6:25 amSydney Kingsford Smith

Dec 16

SYD2:05 pmSydney Kingsford Smith

24h 28m

1 stop

MSO8:33 pmMissoula Johnson-Bell Field

$1,563

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Thu 10/22

3:55 pm-7:30 am

2 stops22h 35m

Sydney Kingsford Smith

Thu 10/29

10:20 am-11:09 pm

3 stops29h 49m

$1,150

Quickest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 8/31

3:19 pm-7:00 am

1 stop23h 41m

Sydney Kingsford Smith

Mon 9/7

9:30 am-2:13 pm

1 stop20h 43m

$1,237

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 8/31

7:55 am-7:00 am

2 stops31h 05m

Sydney Kingsford Smith

Mon 9/7

9:30 am-2:13 pm

1 stop20h 43m

$1,241

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 10/28

1:47 pm-6:55 am

1 stop24h 08m

Sydney Kingsford Smith

Sun 11/1

6:00 am-1:52 pm

2 stops24h 52m

$1,266

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 9/9

3:42 pm-7:30 am

2 stops23h 48m

Sydney Kingsford Smith

Mon 9/21

12:00 pm-8:43 pm

1 stop24h 43m

$1,297

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 9/9

10:34 am-7:30 am

3 stops28h 56m

Sydney Kingsford Smith

Mon 9/21

12:00 pm-10:59 pm

2 stops26h 59m

$1,308

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 9/9

4:16 pm-6:55 am

1 stop22h 39m

Sydney Kingsford Smith

Mon 9/21

12:00 pm-8:43 pm

1 stop24h 43m

$1,354

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 12/2

6:15 am-6:20 am

2 stops30h 05m

Sydney Kingsford Smith

Wed 12/16

11:50 am-4:10 pm

2 stops22h 20m

$1,361

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Thu 9/24

2:21 pm-7:20 am

2 stops24h 59m

Sydney Kingsford Smith

Tue 9/29

9:20 am-9:04 pm

2 stops27h 44m

$1,387

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 10/28

1:47 pm-6:55 am

1 stop24h 08m

Sydney Kingsford Smith

Sun 11/1

6:00 am-1:52 pm

2 stops24h 52m

$1,391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Fastest flight time	22h 33m
Direct flights	None

The fastest flight from Montana to Sydney takes 22h 33m

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

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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 August 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 10,059 reviews		Search United Airlines flights

Parramatta

Bondi Beach

Wollongong

Penrith

Katoomba

Leura

Cronulla

Randwick

Manly

Lithgow

Coogee

Terrigal

Charlestown

Swansea

Why use momondo?

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 $678

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 1/25. 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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Qantas Airways flights from Montana to Sydney

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How to get the cheapest flight ticket from Montana to Sydney

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An easier way to manage your Sydney trip

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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