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 29m on average. Another popular route from Montana to Sydney is flying from Missoula to Sydney, which will take roughly 22h 36m. 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 May 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.

$1,293 Cheap Flights from Montana to Sydney in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montana to Sydney

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:26 pm - 7:00 am

BZN

SYD

24h 34m

2 stops

10:20 am - 3:19 pm

SYD

BZN

20h 59m

1 stop

$1,293United Airlines

Tue, Aug 4 - Tue, Aug 18

1:16 pm - 7:05 am

BZN

SYD

25h 49m

2 stops

9:25 pm - 11:05 am

SYD

BZN

29h 40m

2 stops

$1,294American Airlines

Tue, Aug 4 - Tue, Aug 18

5:15 am - 6:50 am

BZN

SYD

33h 35m

2 stops

9:15 am - 12:23 am

SYD

BZN

31h 08m

2 stops

$1,298Delta

Wed, Jun 24 - Wed, Jul 1

4:32 pm - 6:55 am

BZN

SYD

22h 23m

2 stops

9:30 am - 12:13 pm

SYD

BZN

18h 43m

1 stop

$1,343United Airlines

Tue, Aug 18 - Sat, Aug 29

2:30 pm - 6:55 am

BZN

SYD

24h 25m

2 stops

9:30 am - 6:42 pm

SYD

BZN

25h 12m

2 stops

$1,347Air New Zealand

Tue, Aug 18 - Sat, Aug 29

1:50 pm - 6:50 pm

BZN

SYD

37h 00m

2 stops

8:45 pm - 9:42 am

SYD

BZN

28h 57m

3 stops

$1,441Multiple Airlines

Tue, Aug 18 - Sat, Aug 29

4:20 pm - 7:00 am

BZN

SYD

46h 40m

2 stops

9:30 am - 3:14 pm

SYD

BZN

21h 44m

1 stop

$1,446United Airlines

Sat, Aug 8 - Wed, Aug 12

5:15 am - 6:50 am

BZN

SYD

33h 35m

2 stops

9:15 am - 12:30 pm

SYD

BZN

19h 15m

1 stop

$1,486Delta

Wed, Jun 24 - Wed, Jul 1

2:30 pm - 8:00 am

FCA

SYD

24h 30m

2 stops

11:20 am - 3:21 pm

SYD

FCA

21h 01m

1 stop

$1,743Air New Zealand

Fri, Oct 9 - Thu, Oct 22

4:44 pm - 8:10 pm

MSO

SYD

35h 26m

2 stops

7:45 pm - 4:09 pm

SYD

MSO

36h 24m

3 stops

$2,652Multiple Airlines

Fri, Jul 10 - Fri, Jul 17

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

BZN4:17 pmBozeman Gallatin Field

22h 38m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 12

SYD10:20 amSydney Kingsford Smith

26h 54m

2 stops

BZN9:14 pmBozeman Gallatin Field

$1,347

Air New Zealand

Jun 1

MSO2:26 pmMissoula Johnson-Bell Field

24h 34m

2 stops

SYD7:00 amSydney Kingsford Smith

Jun 25

SYD9:30 amSydney Kingsford Smith

28h 09m

2 stops

MSO9:39 pmMissoula Johnson-Bell Field

$1,685

Air New Zealand

Oct 9

FCA2:30 pmKalispell Glacier Park

24h 30m

2 stops

SYD8:00 amSydney Kingsford Smith

Oct 22

SYD11:20 amSydney Kingsford Smith

21h 01m

1 stop

FCA3:21 pmKalispell Glacier Park

$1,743

United Airlines flights from Montana to Sydney

Our best United Airlines deals on Montana to Sydney flight tickets

United Airlines

Aug 4

BZN2:26 pmBozeman Gallatin Field

24h 34m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 18

SYD10:20 amSydney Kingsford Smith

20h 59m

1 stop

BZN3:19 pmBozeman Gallatin Field

$1,293

United Airlines

Jun 1

BZN5:31 pmBozeman Gallatin Field

21h 29m

1 stop

SYD7:00 amSydney Kingsford Smith

Jun 11

SYD9:30 amSydney Kingsford Smith

22h 59m

1 stop

BZN4:29 pmBozeman Gallatin Field

$1,334

United Airlines

Jun 1

BZN8:00 amBozeman Gallatin Field

30h 55m

2 stops

SYD6:55 amSydney Kingsford Smith

Jun 12

SYD9:30 amSydney Kingsford Smith

22h 03m

2 stops

BZN3:33 pmBozeman Gallatin Field

$1,335

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 8/4

2:26 pm-7:00 am

2 stops24h 34m

Sydney Kingsford Smith

Tue 8/18

10:20 am-3:19 pm

1 stop20h 59m

$1,293

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 8/4

1:16 pm-7:05 am

2 stops25h 49m

Sydney Kingsford Smith

Tue 8/18

9:25 pm-11:05 am

2 stops29h 40m

$1,294

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 6/24

5:15 am-6:50 am

2 stops33h 35m

Sydney Kingsford Smith

Wed 7/1

9:15 am-12:23 am

2 stops31h 08m

$1,298

Quickest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 8/18

4:32 pm-6:55 am

2 stops22h 23m

Sydney Kingsford Smith

Sat 8/29

9:30 am-12:13 pm

1 stop18h 43m

$1,343

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 8/18

2:30 pm-6:55 am

2 stops24h 25m

Sydney Kingsford Smith

Sat 8/29

9:30 am-6:42 pm

2 stops25h 12m

$1,347

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Tue 8/18

1:50 pm-6:50 pm

2 stops37h 00m

Sydney Kingsford Smith

Sat 8/29

8:45 pm-9:42 am

3 stops28h 57m

$1,441

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 8/8

4:20 pm-7:00 am

2 stops46h 40m

Sydney Kingsford Smith

Wed 8/12

9:30 am-3:14 pm

1 stop21h 44m

$1,446

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 6/24

5:15 am-6:50 am

2 stops33h 35m

Sydney Kingsford Smith

Wed 7/1

9:15 am-12:30 pm

1 stop19h 15m

$1,486

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

Fri 10/9

2:30 pm-8:00 am

2 stops24h 30m

Sydney Kingsford Smith

Thu 10/22

11:20 am-3:21 pm

1 stop21h 01m

$1,743

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Fri 7/10

4:44 pm-8:10 pm

2 stops35h 26m

Sydney Kingsford Smith

Fri 7/17

7:45 pm-4:09 pm

3 stops36h 24m

$2,652

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Other information

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	21h 29m
Direct flights	None

The fastest flight from Montana to Sydney takes 21h 29m

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 May 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 $1,215	Free Cancellation	Rating 7.4 9,768 reviews		Search United Airlines flights

Bondi Beach

Parramatta

Katoomba

Penrith

Wollongong

Leura

Randwick

Lithgow

Coogee

Manly

Cronulla

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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 6/30

Tue 7/7

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from Montana

Complete your trip

Feeling lucky

Cheap flights from Montana to Sydney from $1,293

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Sydney departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montana to Sydney

Cheap round-trip flights

Cheap last minute flights

Air New Zealand flights from Montana to Sydney

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

United Airlines flights from Montana to Sydney

Our best United Airlines deals on Montana to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montana to Sydney that are best for you.

See travel insights to Sydney from

How to get the cheapest flight ticket from Montana to Sydney

Can stopping save me money on Montana to Sydney flights?

How long does it take to fly to Sydney?

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

Direct flights

Frequently asked questions about flying from Montana to Sydney

Best airlines flying from Montana to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

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

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Montana

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year