What is the cheapest airline that flies from Montana to Australia?

United Airlines and American Airlines are the most popular carriers operating from Montana to Australia

When did momondo last update prices for flights from Montana to Australia?

Prices for flights from Montana to Australia are updated daily.

How old do you have to be to fly from Montana to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,601 Cheap Flights from Montana to Australia in 2025

1 adult

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Find the cheapest flights from Montana to Australia

Round-trip

One-way

Cheap return flights

06:35 - 07:05MSO-SYD

32h 30m2 stops

09:10 - 00:27SYD-MSO

31h 17m2 stops

$1,601

Find Deal

Tue, 23 Sep - Tue, 30 Sep

06:40 - 07:05MSO-SYD

32h 25m2 stops

12:10 - 13:00SYD-MSO

40h 50m1 stop

$1,632American Airlines

Find Deal

Tue, 23 Sep - Tue, 30 Sep

14:14 - 07:05MSO-SYD

24h 51m2 stops

09:10 - 00:27SYD-MSO

31h 17m2 stops

$1,644

Find Deal

Mon, 8 Sep - Mon, 15 Sep

13:51 - 06:55MSO-SYD

25h 04m1 stop

12:10 - 13:00SYD-MSO

40h 50m1 stop

$1,722American Airlines

Find Deal

Tue, 23 Sep - Tue, 30 Sep

13:51 - 06:55MSO-SYD

25h 04m1 stop

12:10 - 23:18SYD-MSO

27h 08m2 stops

$1,739American Airlines

Find Deal

Mon, 8 Sep - Mon, 15 Sep

05:30 - 19:45MSO-SYD

20h 15m2 stops

21:40 - 15:24SYD-MSO

35h 44m2 stops

$2,090Alaska Airlines

Find Deal

Wed, 12 Nov - Sun, 16 Nov

05:30 - 06:35MSO-SYD

33h 05m2 stops

09:25 - 00:18SYD-MSO

30h 53m2 stops

$2,113Delta

Find Deal

Tue, 23 Sep - Tue, 30 Sep

09:45 - 08:15BTM-MEL

30h 30m2 stops

10:55 - 22:21MEL-BTM

27h 26m2 stops

$2,304United Airlines

Find Deal

Wed, 24 Sep - Wed, 1 Oct

18:40 - 14:40MSO-SYD

28h 00m2 stops

07:30 - 15:18SYD-MSO

23h 48m3 stops

$2,488

Find Deal

Tue, 23 Sep - Tue, 30 Sep

09:47 - 10:00BTM-MEL

30h 13m2 stops

13:00 - 22:14MEL-BTM

27h 14m2 stops

$3,155United Airlines

Find Deal

Thu, 6 Nov - Mon, 10 Nov

American Airlines flights from Montana to Australia

Our best American Airlines deals on Montana to Australia flight tickets

American Airlines

23 Sept

MSO06:40Missoula Johnson-Bell Field

32h 25m

2 stops

SYD07:05Sydney Kingsford Smith

30 Sept

SYD12:10Sydney Kingsford Smith

40h 50m

1 stop

MSO13:00Missoula Johnson-Bell Field

$1,632

Find similar

American Airlines

23 Sept

MSO13:51Missoula Johnson-Bell Field

25h 04m

1 stop

SYD06:55Sydney Kingsford Smith

30 Sept

SYD12:10Sydney Kingsford Smith

40h 50m

1 stop

MSO13:00Missoula Johnson-Bell Field

$1,722

Find similar

American Airlines

8 Sept

MSO13:51Missoula Johnson-Bell Field

25h 04m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD12:10Sydney Kingsford Smith

27h 08m

2 stops

MSO23:18Missoula Johnson-Bell Field

$1,739

Find similar

United Airlines flights from Montana to Australia

Our best United Airlines deals on Montana to Australia flight tickets

United Airlines

24 Sept

BTM09:45Butte Silver Bow Co

30h 30m

2 stops

MEL08:15Melbourne

1 Oct

MEL10:55Melbourne

27h 26m

2 stops

BTM22:21Butte Silver Bow Co

$2,304

Find similar

United Airlines

6 Nov

BTM09:47Butte Silver Bow Co

30h 13m

2 stops

MEL10:00Melbourne

10 Nov

MEL13:00Melbourne

27h 14m

2 stops

BTM22:14Butte Silver Bow Co

$3,155

Find similar

United Airlines

8 Sept

MSO16:17Missoula Johnson-Bell Field

22h 38m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD10:20Sydney Kingsford Smith

21h 16m

1 stop

MSO15:36Missoula Johnson-Bell Field

$10,555

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 23/9

06:35-07:05

2 stops32h 30m

Sydney Kingsford Smith

Tue 30/9

09:10-00:27

2 stops31h 17m

$1,601

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 23/9

06:40-07:05

2 stops32h 25m

Sydney Kingsford Smith

Tue 30/9

12:10-13:00

1 stop40h 50m

$1,632

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Mon 8/9

14:14-07:05

2 stops24h 51m

Sydney Kingsford Smith

Mon 15/9

09:10-00:27

2 stops31h 17m

$1,644

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 23/9

13:51-06:55

1 stop25h 04m

Sydney Kingsford Smith

Tue 30/9

12:10-13:00

1 stop40h 50m

$1,722

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Mon 8/9

13:51-06:55

1 stop25h 04m

Sydney Kingsford Smith

Mon 15/9

12:10-23:18

2 stops27h 08m

$1,739

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 12/11

05:30-19:45

2 stops20h 15m

Sydney Kingsford Smith

Sun 16/11

21:40-15:24

2 stops35h 44m

$2,090

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 23/9

05:30-06:35

2 stops33h 05m

Sydney Kingsford Smith

Tue 30/9

09:25-00:18

2 stops30h 53m

$2,113

ButteMelbourne

BTM - MEL

BTMMEL

Butte Silver Bow Co

Wed 24/9

09:45-08:15

2 stops30h 30m

Melbourne

Wed 1/10

10:55-22:21

2 stops27h 26m

$2,304

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Tue 23/9

18:40-14:40

2 stops28h 00m

Sydney Kingsford Smith

Tue 30/9

07:30-15:18

3 stops23h 48m

$2,488

ButteMelbourne

BTM - MEL

BTMMEL

Butte Silver Bow Co

Thu 6/11

09:47-10:00

2 stops30h 13m

Melbourne

Mon 10/11

13:00-22:14

2 stops27h 14m

$3,155

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to Australia

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

What is the cheapest month to fly to Australia?

In general, August is the cheapest month to fly from Montana to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,508. If you don’t want to visit Australia in August, then you should wait until June to fly from Montana, when ticket prices are also cheap, with an average price of $1,719.

Cheap Montana to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Australia

Best price found	$7,601
Fastest flight time	20h 15m
Direct flights	None
Airports in Australia	2 airports

The best one-way flight to Australia from Montana in the past 72 hours is $7,601. The best return flight deal from Montana to Australia found on momondo in the last 72 hours is $1,601.

The fastest flight from Montana to Australia takes 20h 15m

There are no direct flights from Montana to Australia. Popular non-direct routes for this connection are Missoula Johnson-Bell Field Airport - Sydney Kingsford Smith Airport and Butte Silver Bow Co Airport - Melbourne Airport.

There are 2 airports near Australia: Melbourne (MEL), Sydney Kingsford Smith (SYD)

Search flight deals

When did momondo last update prices for flights from Montana to Australia?
Prices for flights from Montana to Australia are updated daily.
How old do you have to be to fly from Montana to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Montana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montana to Australia?

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 Australia from Montana.

I’m not ready to book a flight from Montana to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montana to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.