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Cheap flights from Montana to Sydney from $582

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 4/10. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 6:55 amMSO-SYD
29h 55m1 stop
American Airlines Logo
2:05 pm - 9:45 pmSYD-MSO
25h 40m1 stop
$1,245American Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
American Airlines Logo
1:21 pm - 9:00 amMSO-SYD
25h 39m2 stops
American Airlines Logo
11:20 am - 9:45 pmSYD-MSO
28h 25m2 stops
$1,248American Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
Delta Logo
12:44 pm - 6:50 amMSO-SYD
24h 06m2 stops
Delta Logo
10:40 am - 11:25 pmSYD-MSO
30h 45m2 stops
$1,273Delta
Find Deal
Thu, Feb 12 - Sat, Mar 7
Delta Logo
5:45 am - 6:35 amBZN-SYD
32h 50m2 stops
Delta Logo
9:25 am - 2:36 pmSYD-BZN
21h 11m2 stops
$1,273Delta
Find Deal
Sat, May 2 - Thu, May 14
Alaska Airlines Logo
8:10 pm - 7:45 pmFCA-SYD
29h 35m2 stops
Alaska Airlines Logo
9:40 pm - 12:14 pmSYD-FCA
32h 34m2 stops
$1,360Alaska Airlines
Find Deal
Tue, Jan 6 - Thu, Jan 22
Alaska Airlines Logo
7:25 pm - 7:45 pmBZN-SYD
30h 20m2 stops
Alaska Airlines Logo
9:40 pm - 10:42 amSYD-BZN
31h 02m3 stops
$1,384Alaska Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 30
Air New Zealand Logo
1:05 pm - 8:45 amBZN-SYD
26h 40m2 stops
Air New Zealand Logo
9:55 am - 11:59 amSYD-BZN
43h 04m2 stops
$1,414Air New Zealand
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Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
2:37 pm - 7:00 amBZN-SYD
48h 23m3 stops
United Airlines Logo
10:20 am - 3:30 pmSYD-BZN
21h 10m2 stops
$1,415United Airlines
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Sat, May 2 - Thu, May 14
Air New Zealand Logo
1:20 pm - 7:00 amBZN-SYD
25h 40m1 stop
Air New Zealand Logo
11:50 am - 10:56 pmSYD-BZN
27h 06m2 stops
$1,417Air New Zealand
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Thu, Apr 16 - Thu, Apr 30
United Airlines Logo
3:40 pm - 6:55 amBZN-SYD
23h 15m1 stop
United Airlines Logo
9:30 am - 2:56 pmSYD-BZN
21h 26m1 stop
$1,461United Airlines
Find Deal
Thu, Apr 16 - Thu, Apr 30

American Airlines flights from Montana to Sydney

Our best American Airlines deals on Montana to Sydney flight tickets
American Airlines
Feb 11
MSO7:00 amMissoula Johnson-Bell Field
29h 55m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 3
SYD2:05 pmSydney Kingsford Smith
25h 40m
1 stop
MSO9:45 pmMissoula Johnson-Bell Field
$1,245
Find similar
American Airlines
Feb 11
MSO1:21 pmMissoula Johnson-Bell Field
25h 39m
2 stops
SYD9:00 amSydney Kingsford Smith
Mar 3
SYD11:20 amSydney Kingsford Smith
28h 25m
2 stops
MSO9:45 pmMissoula Johnson-Bell Field
$1,248
Find similar
American Airlines
Feb 12
MSO7:01 amMissoula Johnson-Bell Field
31h 59m
2 stops
SYD9:00 amSydney Kingsford Smith
Mar 4
SYD2:05 pmSydney Kingsford Smith
25h 40m
1 stop
MSO9:45 pmMissoula Johnson-Bell Field
$1,249
Find similar

Delta flights from Montana to Sydney

Our best Delta deals on Montana to Sydney flight tickets
Delta
Feb 12
MSO12:44 pmMissoula Johnson-Bell Field
24h 06m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 7
SYD10:40 amSydney Kingsford Smith
30h 45m
2 stops
MSO11:25 pmMissoula Johnson-Bell Field
$1,273
Find similar
Delta
Apr 16
BZN5:45 amBozeman Gallatin Field
32h 50m
2 stops
SYD6:35 amSydney Kingsford Smith
Apr 30
SYD9:25 amSydney Kingsford Smith
28h 59m
2 stops
BZN10:24 pmBozeman Gallatin Field
$1,284
Find similar
Delta
Feb 12
MSO5:05 amMissoula Johnson-Bell Field
31h 45m
2 stops
SYD6:50 amSydney Kingsford Smith
Mar 7
SYD10:40 amSydney Kingsford Smith
30h 45m
2 stops
MSO11:25 pmMissoula Johnson-Bell Field
$1,351
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 November 10, 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

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

7:00 am-6:55 am

1 stop29h 55m

Sydney Kingsford Smith

Tue 3/3

2:05 pm-9:45 pm

1 stop25h 40m

$1,245

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 2/11

1:21 pm-9:00 am

2 stops25h 39m

Sydney Kingsford Smith

Tue 3/3

11:20 am-9:45 pm

2 stops28h 25m

$1,248

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Thu 2/12

12:44 pm-6:50 am

2 stops24h 06m

Sydney Kingsford Smith

Sat 3/7

10:40 am-11:25 pm

2 stops30h 45m

$1,273

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 5/2

5:45 am-6:35 am

2 stops32h 50m

Sydney Kingsford Smith

Thu 5/14

9:25 am-2:36 pm

2 stops21h 11m

$1,273

KalispellSydney

FCA - SYD

FCASYD

Kalispell Glacier Park

Tue 1/6

8:10 pm-7:45 pm

2 stops29h 35m

Sydney Kingsford Smith

Thu 1/22

9:40 pm-12:14 pm

2 stops32h 34m

$1,360

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Fri 1/16

7:25 pm-7:45 pm

2 stops30h 20m

Sydney Kingsford Smith

Fri 1/30

9:40 pm-10:42 am

3 stops31h 02m

$1,384

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Thu 3/19

1:05 pm-8:45 am

2 stops26h 40m

Sydney Kingsford Smith

Mon 3/23

9:55 am-11:59 am

2 stops43h 04m

$1,414

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Sat 5/2

2:37 pm-7:00 am

3 stops48h 23m

Sydney Kingsford Smith

Thu 5/14

10:20 am-3:30 pm

2 stops21h 10m

$1,415

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Thu 4/16

1:20 pm-7:00 am

1 stop25h 40m

Sydney Kingsford Smith

Thu 4/30

11:50 am-10:56 pm

2 stops27h 06m

$1,417

BozemanSydney

BZN - SYD

BZNSYD

Bozeman Gallatin Field

Thu 4/16

3:40 pm-6:55 am

1 stop23h 15m

Sydney Kingsford Smith

Thu 4/30

9:30 am-2:56 pm

1 stop21h 26m

$1,461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 March is also very affordable. Most momondo users find prices during this month for around $1,173.

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 6% 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 $878Free CancellationRating
7.4
9,012 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
Coogee
Cronulla
Manly
Penrith
Leura
Lithgow
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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