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

Delta and United 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 Bozeman and flying into Sydney (one of the most popular routes), then the duration is 21h 44m on average. Another popular route from Montana to Sydney is flying from Kalispell to Sydney, which will take roughly 23h 52m. 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 March 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.

$543 Cheap Flights from Montana to Sydney in 2026

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Find the cheapest flights from Montana to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 6:20 am

MSO

SYD

31h 05m

2 stops

12:10 pm - 9:57 pm

SYD

MSO

26h 47m

2 stops

$1,071United Airlines

Sun, Mar 8 - Wed, Mar 11

2:40 pm - 6:55 am

BZN

SYD

48h 15m

3 stops

9:30 am - 12:20 pm

SYD

BZN

18h 50m

1 stop

$1,071United Airlines

Sat, Apr 25 - Wed, Apr 29

6:15 am - 6:20 am

MSO

SYD

31h 05m

2 stops

10:25 am - 4:08 pm

SYD

MSO

22h 43m

2 stops

$1,072United Airlines

Sun, Mar 8 - Wed, Mar 11

2:40 pm - 7:00 am

BZN

SYD

48h 20m

3 stops

10:20 am - 3:23 pm

SYD

BZN

21h 03m

1 stop

$1,072United Airlines

Sat, Apr 25 - Wed, Apr 29

4:17 pm - 6:55 am

BZN

SYD

22h 38m

1 stop

9:30 am - 4:14 pm

SYD

BZN

22h 44m

1 stop

$1,107United Airlines

Mon, Jun 1 - Fri, Jun 12

4:17 pm - 6:55 am

BZN

SYD

22h 38m

1 stop

10:20 am - 3:21 pm

SYD

BZN

21h 01m

1 stop

$1,108United Airlines

Mon, Jun 1 - Fri, Jun 12

2:40 pm - 7:00 am

BZN

SYD

48h 20m

3 stops

9:30 am - 12:30 pm

SYD

BZN

19h 00m

1 stop

$1,112United Airlines

Sat, May 2 - Fri, May 15

2:40 pm - 7:00 am

BZN

SYD

48h 20m

3 stops

10:20 am - 3:34 pm

SYD

BZN

21h 14m

2 stops

$1,113United Airlines

Sat, May 2 - Fri, May 15

4:18 pm - 6:55 am

BZN

SYD

22h 37m

1 stop

10:20 am - 3:22 pm

SYD

BZN

21h 02m

1 stop

$1,147United Airlines

Sat, May 2 - Fri, May 15

1:37 pm - 7:00 am

BZN

SYD

25h 23m

1 stop

10:20 am - 3:22 pm

SYD

BZN

21h 02m

1 stop

$1,148United Airlines

Sat, May 2 - Fri, May 15

United Airlines flights from Montana to Sydney

Our best United Airlines deals on Montana to Sydney flight tickets

United Airlines

Mar 8

MSO6:15 amMissoula Johnson-Bell Field

31h 05m

2 stops

SYD6:20 amSydney Kingsford Smith

Mar 11

SYD12:10 pmSydney Kingsford Smith

26h 47m

2 stops

MSO9:57 pmMissoula Johnson-Bell Field

$1,071

United Airlines

Mar 8

MSO6:15 amMissoula Johnson-Bell Field

31h 05m

2 stops

SYD6:20 amSydney Kingsford Smith

Mar 11

SYD10:25 amSydney Kingsford Smith

22h 43m

2 stops

MSO4:08 pmMissoula Johnson-Bell Field

$1,072

United Airlines

Jun 1

BZN4:17 pmBozeman Gallatin Field

22h 38m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 12

SYD9:30 amSydney Kingsford Smith

22h 44m

1 stop

BZN4:14 pmBozeman Gallatin Field

$1,107

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 3/8

6:15 am-6:20 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 3/11

12:10 pm-9:57 pm

2 stops26h 47m

$1,071

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 4/25

2:40 pm-6:55 am

3 stops48h 15m

Sydney Kingsford Smith

Wed 4/29

9:30 am-12:20 pm

1 stop18h 50m

$1,071

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 3/8

6:15 am-6:20 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 3/11

10:25 am-4:08 pm

2 stops22h 43m

$1,072

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 4/25

2:40 pm-7:00 am

3 stops48h 20m

Sydney Kingsford Smith

Wed 4/29

10:20 am-3:23 pm

1 stop21h 03m

$1,072

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

4:17 pm-6:55 am

1 stop22h 38m

Sydney Kingsford Smith

Fri 6/12

9:30 am-4:14 pm

1 stop22h 44m

$1,107

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

4:17 pm-6:55 am

1 stop22h 38m

Sydney Kingsford Smith

Fri 6/12

10:20 am-3:21 pm

1 stop21h 01m

$1,108

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 5/2

2:40 pm-7:00 am

3 stops48h 20m

Sydney Kingsford Smith

Fri 5/15

9:30 am-12:30 pm

1 stop19h 00m

$1,112

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 5/2

2:40 pm-7:00 am

3 stops48h 20m

Sydney Kingsford Smith

Fri 5/15

10:20 am-3:34 pm

2 stops21h 14m

$1,113

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 5/2

4:18 pm-6:55 am

1 stop22h 37m

Sydney Kingsford Smith

Fri 5/15

10:20 am-3:22 pm

1 stop21h 02m

$1,147

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 5/2

1:37 pm-7:00 am

1 stop25h 23m

Sydney Kingsford Smith

Fri 5/15

10:20 am-3:22 pm

1 stop21h 02m

$1,148

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 8% 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	21h 44m
Direct flights	None

The fastest flight from Montana to Sydney takes 21h 44m

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

Search flight deals

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 March 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 $878	Free Cancellation	Rating 7.4 9,375 reviews		Search United Airlines flights

Bondi Beach

Katoomba

Parramatta

Wollongong

Penrith

Coogee

Manly

Randwick

Lithgow

Leura

Cronulla

Charlestown

Terrigal

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 $543

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 8/13. 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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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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