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 20h 40m on average. Another popular route from Montana to Sydney is flying from Missoula to Sydney, which will take roughly 24h 41m. 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?

United Airlines 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 January 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.

$577 Cheap Flights from Montana to Sydney in 2026

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Find the cheapest flights from Montana to Sydney

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One-way

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Cheap round-trip flights

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3:40 pm - 10:40 am

BZN

SYD

27h 00m

2 stops

7:50 am - 2:56 pm

SYD

BZN

47h 06m

2 stops

$1,200Air New Zealand

lun., jun. 1 - vie., jun. 12

2:37 pm - 9:05 am

MSO

SYD

24h 28m

2 stops

11:20 am - 4:09 pm

SYD

MSO

22h 49m

2 stops

$1,219United Airlines

mié., feb. 11 - mar., mar. 3

1:28 pm - 6:20 am

FCA

SYD

23h 52m

1 stop

11:50 am - 9:57 pm

SYD

FCA

27h 07m

2 stops

$1,219United Airlines

dom., mar. 8 - mié., mar. 11

4:29 pm - 7:00 am

BZN

SYD

44h 31m

2 stops

11:50 am - 9:24 pm

SYD

BZN

27h 34m

2 stops

$1,219United Airlines

sáb., feb. 28 - mié., mar. 4

2:34 pm - 9:05 am

MSO

SYD

24h 31m

2 stops

11:20 am - 9:57 pm

SYD

MSO

28h 37m

2 stops

$1,220United Airlines

mar., feb. 24 - mar., mar. 3

1:10 pm - 7:05 am

MSO

SYD

25h 55m

2 stops

12:00 pm - 9:45 pm

SYD

MSO

25h 45m

1 stop

$1,243American Airlines

dom., may. 3 - dom., may. 10

12:10 pm - 6:05 am

FCA

SYD

24h 55m

2 stops

1:15 pm - 5:15 pm

SYD

FCA

21h 00m

2 stops

$1,249Delta

jue., mar. 12 - lun., mar. 23

6:15 am - 6:55 am

MSO

SYD

30h 40m

1 stop

2:05 pm - 9:56 pm

SYD

MSO

25h 51m

1 stop

$1,258American Airlines

mar., feb. 24 - mar., mar. 3

5:00 am - 8:30 am

FCA

SYD

57h 30m

2 stops

1:15 pm - 11:41 pm

SYD

FCA

27h 26m

2 stops

$1,264Delta

sáb., feb. 28 - sáb., mar. 14

3:55 pm - 6:25 am

MSO

SYD

22h 30m

2 stops

6:25 am - 11:50 pm

SYD

MSO

33h 25m

3 stops

$1,768Multiple Airlines

dom., may. 3 - dom., may. 10

Air New Zealand flights from Montana to Sydney

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

Air New Zealand

Jun 1

BZN3:40 pmBozeman Gallatin Field

27h 00m

2 stops

SYD10:40 amSydney Kingsford Smith

Jun 12

SYD7:50 amSydney Kingsford Smith

47h 06m

2 stops

BZN2:56 pmBozeman Gallatin Field

$1,200

Air New Zealand

May 2

BZN1:33 pmBozeman Gallatin Field

27h 12m

2 stops

SYD8:45 amSydney Kingsford Smith

May 14

SYD11:55 amSydney Kingsford Smith

40h 25m

2 stops

BZN12:20 pmBozeman Gallatin Field

$1,226

Air New Zealand

Jul 9

BZN3:40 pmBozeman Gallatin Field

27h 00m

2 stops

SYD10:40 amSydney Kingsford Smith

Jul 27

SYD11:55 amSydney Kingsford Smith

43h 01m

2 stops

BZN2:56 pmBozeman Gallatin Field

$1,227

Alaska Airlines flights from Montana to Sydney

Our best Alaska Airlines deals on Montana to Sydney flight tickets

Alaska Airlines

Jun 1

BZN11:15 amBozeman Gallatin Field

28h 15m

3 stops

SYD7:30 amSydney Kingsford Smith

Jun 11

SYD5:50 pmSydney Kingsford Smith

22h 07m

2 stops

BZN11:57 pmBozeman Gallatin Field

$2,340

Alaska Airlines

Jun 1

BZN11:15 amBozeman Gallatin Field

28h 15m

3 stops

SYD7:30 amSydney Kingsford Smith

Jun 11

SYD5:50 pmSydney Kingsford Smith

22h 07m

2 stops

BZN11:57 pmBozeman Gallatin Field

$2,377

Alaska Airlines

Jun 1

BZN11:15 amBozeman Gallatin Field

28h 15m

3 stops

SYD7:30 amSydney Kingsford Smith

Jun 12

SYD5:50 pmSydney Kingsford Smith

22h 07m

2 stops

BZN11:57 pmBozeman Gallatin Field

$2,423

Fly from

Fly to

Route

Depart

Return

Price

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

lun. 6/1

3:40 pm-10:40 am

2 stops27h 00m

Sydney Kingsford Smith

vie. 6/12

7:50 am-2:56 pm

2 stops47h 06m

$1,200

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

mié. 2/11

2:37 pm-9:05 am

2 stops24h 28m

Sydney Kingsford Smith

mar. 3/3

11:20 am-4:09 pm

2 stops22h 49m

$1,219

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

dom. 3/8

1:28 pm-6:20 am

1 stop23h 52m

Sydney Kingsford Smith

mié. 3/11

11:50 am-9:57 pm

2 stops27h 07m

$1,219

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

sáb. 2/28

4:29 pm-7:00 am

2 stops44h 31m

Sydney Kingsford Smith

mié. 3/4

11:50 am-9:24 pm

2 stops27h 34m

$1,219

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

mar. 2/24

2:34 pm-9:05 am

2 stops24h 31m

Sydney Kingsford Smith

mar. 3/3

11:20 am-9:57 pm

2 stops28h 37m

$1,220

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

dom. 5/3

1:10 pm-7:05 am

2 stops25h 55m

Sydney Kingsford Smith

dom. 5/10

12:00 pm-9:45 pm

1 stop25h 45m

$1,243

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

jue. 3/12

12:10 pm-6:05 am

2 stops24h 55m

Sydney Kingsford Smith

lun. 3/23

1:15 pm-5:15 pm

2 stops21h 00m

$1,249

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

mar. 2/24

6:15 am-6:55 am

1 stop30h 40m

Sydney Kingsford Smith

mar. 3/3

2:05 pm-9:56 pm

1 stop25h 51m

$1,258

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

sáb. 2/28

5:00 am-8:30 am

2 stops57h 30m

Sydney Kingsford Smith

sáb. 3/14

1:15 pm-11:41 pm

2 stops27h 26m

$1,264

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

dom. 5/3

3:55 pm-6:25 am

2 stops22h 30m

Sydney Kingsford Smith

dom. 5/10

6:25 am-11:50 pm

3 stops33h 25m

$1,768

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Prices

Airlines

Other information

What is the cheapest month to fly to Sydney?

In general, June is the cheapest month to fly from Montana to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,122. If you are unable to visit Sydney during the month of June, then departing from Montana during the month March is also very affordable. Most momondo users find prices during this month for around $1,126.

Can stopping save me money on Montana to Sydney flights?

You could potentially save up to 2% 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	20h 40m
Direct flights	None

The fastest flight from Montana to Sydney takes 20h 40m

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 January 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 9,143 reviews		Search United Airlines flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Randwick

Coogee

Manly

Lithgow

Cronulla

Leura

Penrith

Charlestown

Terrigal

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.