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Cheap flights from Montana to Sydney from $1,023

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 1/16. 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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0 bags

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Find the cheapest flights from Montana to Sydney

Cheap round-trip flights

Alaska Airlines Logo
7:13 pm - 7:45 pmBZN-SYD
30h 32m2 stops
Alaska Airlines Logo
9:40 pm - 2:25 pmSYD-BZN
34h 45m2 stops
$1,023Alaska Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 30
Alaska Airlines Logo
7:13 pm - 7:45 pmBZN-SYD
30h 32m2 stops
Alaska Airlines Logo
9:40 pm - 2:25 pmSYD-BZN
34h 45m2 stops
$1,025Alaska Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 30
American Airlines Logo
7:00 am - 7:25 amMSO-SYD
30h 25m2 stops
American Airlines Logo
11:15 am - 9:37 pmSYD-MSO
28h 22m2 stops
$1,135American Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
American Airlines Logo
7:00 am - 7:25 amMSO-SYD
30h 25m2 stops
American Airlines Logo
2:05 pm - 9:37 pmSYD-MSO
25h 32m1 stop
$1,136American Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
Air New Zealand Logo
1:37 pm - 8:45 amBZN-SYD
25h 08m2 stops
Air New Zealand Logo
9:55 am - 12:31 pmSYD-BZN
44h 36m2 stops
$1,252Air New Zealand
Find Deal
Mon, Nov 10 - Wed, Nov 19
United Airlines Logo
6:15 am - 9:05 amMSO-SYD
32h 50m2 stops
United Airlines Logo
12:10 pm - 2:05 pmSYD-MSO
19h 55m1 stop
$1,275United Airlines
Find Deal
Thu, Feb 12 - Sat, Mar 7
United Airlines Logo
5:10 pm - 7:00 amMSO-SYD
43h 50m2 stops
United Airlines Logo
11:20 am - 9:47 pmSYD-MSO
28h 27m2 stops
$1,286United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
Delta Logo
3:20 pm - 8:30 amBZN-SYD
23h 10m1 stop
Delta Logo
10:40 am - 2:35 pmSYD-BZN
21h 55m1 stop
$1,420Delta
Find Deal
Fri, Jan 16 - Fri, Jan 30
Delta Logo
3:20 pm - 8:30 amBZN-SYD
23h 10m1 stop
Delta Logo
10:40 am - 10:19 pmSYD-BZN
29h 39m2 stops
$1,425Delta
Find Deal
Fri, Jan 16 - Fri, Jan 30
Air New Zealand Logo
1:37 pm - 10:30 amBZN-SYD
26h 53m2 stops
Air New Zealand Logo
11:20 am - 12:31 pmSYD-BZN
19h 11m1 stop
$1,444Air New Zealand
Find Deal
Fri, Nov 7 - Fri, Nov 14

United Airlines flights from Montana to Sydney

Our best United Airlines deals on Montana to Sydney flight tickets
United Airlines
Feb 12
MSO6:15 amMissoula Johnson-Bell Field
32h 50m
2 stops
SYD9:05 amSydney Kingsford Smith
Mar 7
SYD12:10 pmSydney Kingsford Smith
19h 55m
1 stop
MSO2:05 pmMissoula Johnson-Bell Field
$1,275
Find similar
United Airlines
Nov 12
MSO5:10 pmMissoula Johnson-Bell Field
43h 50m
2 stops
SYD7:00 amSydney Kingsford Smith
Nov 16
SYD11:20 amSydney Kingsford Smith
28h 27m
2 stops
MSO9:47 pmMissoula Johnson-Bell Field
$1,286
Find similar
United Airlines
Nov 10
BZN4:35 pmBozeman Gallatin Field
22h 30m
2 stops
SYD9:05 amSydney Kingsford Smith
Nov 19
SYD11:20 amSydney Kingsford Smith
19h 11m
1 stop
BZN12:31 pmBozeman Gallatin Field
$1,353
Find similar

Alaska Airlines flights from Montana to Sydney

Our best Alaska Airlines deals on Montana to Sydney flight tickets
Alaska Airlines
Jan 16
BZN7:13 pmBozeman Gallatin Field
30h 32m
2 stops
SYD7:45 pmSydney Kingsford Smith
Jan 30
SYD9:40 pmSydney Kingsford Smith
34h 45m
2 stops
BZN2:25 pmBozeman Gallatin Field
$1,023
Find similar
Alaska Airlines
Jan 16
BZN7:13 pmBozeman Gallatin Field
30h 32m
2 stops
SYD7:45 pmSydney Kingsford Smith
Jan 30
SYD9:40 pmSydney Kingsford Smith
34h 45m
2 stops
BZN2:25 pmBozeman Gallatin Field
$1,025
Find similar
Alaska Airlines
Nov 7
BZN3:02 pmBozeman Gallatin Field
34h 43m
2 stops
SYD7:45 pmSydney Kingsford Smith
Nov 14
SYD9:40 pmSydney Kingsford Smith
34h 28m
2 stops
BZN2:08 pmBozeman Gallatin Field
$1,035
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 24, 2025.
Use the filters below to find and compare flights from Montana to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

7:13 pm-7:45 pm

2 stops30h 32m

Sydney Kingsford Smith

Fri 1/30

9:40 pm-2:25 pm

2 stops34h 45m

$1,023

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

7:13 pm-7:45 pm

2 stops30h 32m

Sydney Kingsford Smith

Fri 1/30

9:40 pm-2:25 pm

2 stops34h 45m

$1,025

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

7:00 am-7:25 am

2 stops30h 25m

Sydney Kingsford Smith

Tue 3/3

11:15 am-9:37 pm

2 stops28h 22m

$1,135

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

7:00 am-7:25 am

2 stops30h 25m

Sydney Kingsford Smith

Tue 3/3

2:05 pm-9:37 pm

1 stop25h 32m

$1,136

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Mon 11/10

1:37 pm-8:45 am

2 stops25h 08m

Sydney Kingsford Smith

Wed 11/19

9:55 am-12:31 pm

2 stops44h 36m

$1,252

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

6:15 am-9:05 am

2 stops32h 50m

Sydney Kingsford Smith

Sat 3/7

12:10 pm-2:05 pm

1 stop19h 55m

$1,275

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 11/12

5:10 pm-7:00 am

2 stops43h 50m

Sydney Kingsford Smith

Sun 11/16

11:20 am-9:47 pm

2 stops28h 27m

$1,286

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

3:20 pm-8:30 am

1 stop23h 10m

Sydney Kingsford Smith

Fri 1/30

10:40 am-2:35 pm

1 stop21h 55m

$1,420

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

3:20 pm-8:30 am

1 stop23h 10m

Sydney Kingsford Smith

Fri 1/30

10:40 am-10:19 pm

2 stops29h 39m

$1,425

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 11/7

1:37 pm-10:30 am

2 stops26h 53m

Sydney Kingsford Smith

Fri 11/14

11:20 am-12:31 pm

1 stop19h 11m

$1,444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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 February is also very affordable. Most momondo users find prices during this month for around $1,258.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Montana to Sydney is on a Saturday when prices can be found for as low as $995. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,153.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Montana to Sydney in the morning for as low as $995. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,522. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
There are no direct flights from Montana to Sydney. There are no popular flight routes from Montana to Sydney.
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  • 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?

  • 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 AirlinesPriceFrom $890Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Coogee
Lithgow
Penrith
Manly
Leura
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.

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