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 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 April 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.

$596 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

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 7:30 am

BZN

SYD

32h 30m

2 stops

5:50 pm - 1:24 pm

SYD

BZN

35h 34m

2 stops

$1,299Alaska Airlines

Wed, Sep 2 - Wed, Sep 9

1:41 pm - 6:55 am

BZN

SYD

25h 14m

1 stop

12:00 pm - 8:44 pm

SYD

BZN

24h 44m

1 stop

$1,325American Airlines

Mon, May 11 - Mon, May 25

11:48 am - 6:55 am

BZN

SYD

27h 07m

1 stop

12:00 pm - 8:44 pm

SYD

BZN

24h 44m

1 stop

$1,327Qantas Airways

Mon, Jun 1 - Thu, Jun 11

4:17 pm - 6:55 am

BZN

SYD

22h 38m

1 stop

9:30 am - 2:56 pm

SYD

BZN

21h 26m

1 stop

$1,328United Airlines

Wed, Aug 5 - Wed, Aug 12

1:41 pm - 7:30 am

BZN

SYD

25h 49m

2 stops

9:10 am - 8:44 pm

SYD

BZN

27h 34m

2 stops

$1,329American Airlines

Mon, May 11 - Mon, May 25

5:16 pm - 7:00 am

BZN

SYD

21h 44m

1 stop

10:20 am - 3:21 pm

SYD

BZN

21h 01m

1 stop

$1,368United Airlines

Mon, Jun 1 - Fri, Jun 12

11:48 am - 6:55 am

BZN

SYD

27h 07m

1 stop

12:00 pm - 8:44 pm

SYD

BZN

24h 44m

1 stop

$1,370Qantas Airways

Mon, Jun 1 - Thu, Jun 11

10:33 am - 6:55 am

BZN

SYD

28h 22m

2 stops

10:20 am - 3:33 pm

SYD

BZN

21h 13m

2 stops

$1,373United Airlines

Mon, Jun 1 - Fri, Jun 12

4:19 pm - 6:55 am

MSO

SYD

22h 36m

1 stop

10:20 am - 3:22 pm

SYD

MSO

21h 02m

1 stop

$3,504Air New Zealand

Sat, Sep 12 - Fri, Oct 2

4:19 pm - 6:55 am

MSO

SYD

22h 36m

1 stop

11:20 am - 3:22 pm

SYD

MSO

21h 02m

1 stop

$3,505Air New Zealand

Tue, Sep 15 - Thu, Oct 8

Alaska Airlines flights from Montana to Sydney

Our best Alaska Airlines deals on Montana to Sydney flight tickets

Alaska Airlines

Sep 2

BZN7:00 amBozeman Gallatin Field

32h 30m

2 stops

SYD7:30 amSydney Kingsford Smith

Sep 9

SYD5:50 pmSydney Kingsford Smith

35h 34m

2 stops

BZN1:24 pmBozeman Gallatin Field

$1,299

Alaska Airlines

Aug 5

BZN6:03 amBozeman Gallatin Field

33h 27m

2 stops

SYD7:30 amSydney Kingsford Smith

Aug 12

SYD5:50 pmSydney Kingsford Smith

31h 56m

3 stops

BZN9:46 amBozeman Gallatin Field

$1,478

Alaska Airlines

Jun 1

BZN11:43 amBozeman Gallatin Field

27h 47m

3 stops

SYD7:30 amSydney Kingsford Smith

Jun 11

SYD5:50 pmSydney Kingsford Smith

35h 20m

2 stops

BZN1:10 pmBozeman Gallatin Field

$2,860

Qantas Airways flights from Montana to Sydney

Our best Qantas Airways deals on Montana to Sydney flight tickets

Qantas Airways

Jun 1

BZN11:48 amBozeman Gallatin Field

27h 07m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 11

SYD12:00 pmSydney Kingsford Smith

24h 44m

1 stop

BZN8:44 pmBozeman Gallatin Field

$1,327

Qantas Airways

Jun 1

BZN11:48 amBozeman Gallatin Field

27h 07m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 11

SYD12:00 pmSydney Kingsford Smith

24h 44m

1 stop

BZN8:44 pmBozeman Gallatin Field

$1,370

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 9/2

7:00 am-7:30 am

2 stops32h 30m

Sydney Kingsford Smith

Wed 9/9

5:50 pm-1:24 pm

2 stops35h 34m

$1,299

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 5/11

1:41 pm-6:55 am

1 stop25h 14m

Sydney Kingsford Smith

Mon 5/25

12:00 pm-8:44 pm

1 stop24h 44m

$1,325

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Thu 6/11

12:00 pm-8:44 pm

1 stop24h 44m

$1,327

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Wed 8/5

4:17 pm-6:55 am

1 stop22h 38m

Sydney Kingsford Smith

Wed 8/12

9:30 am-2:56 pm

1 stop21h 26m

$1,328

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 5/11

1:41 pm-7:30 am

2 stops25h 49m

Sydney Kingsford Smith

Mon 5/25

9:10 am-8:44 pm

2 stops27h 34m

$1,329

Quickest round-trip

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

5:16 pm-7:00 am

1 stop21h 44m

Sydney Kingsford Smith

Fri 6/12

10:20 am-3:21 pm

1 stop21h 01m

$1,368

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

11:48 am-6:55 am

1 stop27h 07m

Sydney Kingsford Smith

Thu 6/11

12:00 pm-8:44 pm

1 stop24h 44m

$1,370

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 6/1

10:33 am-6:55 am

2 stops28h 22m

Sydney Kingsford Smith

Fri 6/12

10:20 am-3:33 pm

2 stops21h 13m

$1,373

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sat 9/12

4:19 pm-6:55 am

1 stop22h 36m

Sydney Kingsford Smith

Fri 10/2

10:20 am-3:22 pm

1 stop21h 02m

$3,504

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 9/15

4:19 pm-6:55 am

1 stop22h 36m

Sydney Kingsford Smith

Thu 10/8

11:20 am-3:22 pm

1 stop21h 02m

$3,505

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

Prices

Airlines

Other information

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

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 April 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 9,581 reviews		Search United Airlines flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Penrith

Leura

Randwick

Coogee

Lithgow

Manly

Cronulla

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.

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

Thu 5/14

Thu 5/21

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 $596

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 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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 one-way flights

Cheap last minute flights

Alaska Airlines flights from Montana to Sydney

Our best Alaska Airlines deals on Montana to Sydney flight tickets

Qantas Airways flights from Montana to Sydney

Our best Qantas Airways 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?

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

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