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Cheap flights from Montana to Sydney from $2,231

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SYD
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Montana to Sydney

Keep the following information in mind while searching for Montana to Sydney flight deals. Data was last updated 15 April 2025.

Round-trip from

$2,389

Popular in

December

Cheapest in

August

Average price

$2,237
United Airlines
  • United Airlines
  • 14/5-21/5
  • 4 total stops
  • 52h 14m total
  • Montana to Sydney
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($1,903 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($333 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Montana to Sydney

Cheapest flights from Montana to Sydney
Explore the most affordable flight options available from Montana to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Tue 21/1010:38MSO - SYD
2 stops28h 22mUnited Airlines
Fri 7/1111:50SYD - MSO
2 stops27h 36mUnited Airlines
Deal found 14/4$2,231
Sat 18/1014:35MSO - SYD
2 stops48h 30mAlaska Airlines
Sat 8/1111:15SYD - MSO
2 stops30h 44mAlaska Airlines
Deal found 15/4$2,237
Thu 17/413:32MSO - SYD
1 stop25h 23mAmerican Airlines
Sat 10/520:25SYD - MSO
2 stops32h 01mAmerican Airlines
Deal found 14/4$2,731
Tue 21/1006:35MSO - SYD
2 stops42h 35mMultiple Airlines
Fri 7/1118:15SYD - MSO
3 stops41h 41mMultiple Airlines
Deal found 15/4$3,333
Sat 7/606:42MSO - SYD
2 stops21h 03mHawaiian Airlines
Sat 21/621:40SYD - MSO
2 stops30h 55mHawaiian Airlines
Deal found 14/4$12,124

Cheapflights Fare Finder

Customise 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, Cheapflights users made 647,157 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from Montana to Sydney that are best for you.

Fly from

Montana

Fly to

Sydney

Route

Depart

Return

Price

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 14/5

14:35-07:00

2 stops24h 25m

Sydney Kingsford Smith

Wed 21/5

09:30-21:19

2 stops27h 49m

$2,389

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 11/5

18:36-19:45

2 stops33h 09m

Sydney Kingsford Smith

Sun 18/5

21:40-17:59

2 stops36h 19m

$2,584

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sun 11/5

13:22-06:55

1 stop25h 33m

Sydney Kingsford Smith

Sun 18/5

21:30-12:26

2 stops30h 56m

$4,277

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Wed 14/5

06:42-17:10

2 stops42h 28m

Sydney Kingsford Smith

Wed 21/5

17:45-17:59

3 stops40h 14m

$4,772

MissoulaSydney

MSO - SYD

MSOSYD

Missoula Johnson-Bell Field

Sat 7/6

06:42-19:45

2 stops21h 03m

Sydney Kingsford Smith

Sat 21/6

21:40-12:35

2 stops30h 55m

$12,124

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Best time to book a flight from Montana to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Montana with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to Sydney

What is the cheapest month to book a flight from Montana to Sydney?

Currently, May is the cheapest month in which you can book a flight from Montana to Sydney (average of $129). Flying from Montana to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 15 April 2025.
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very Good
9,871 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,375 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very Good
9,871 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Montana to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Montana?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Montana. Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • Can I find deals for flights from Montana to Sydney that include hotel bookings?

    Yes. In addition to deals on Montana to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Montana to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Sydney.

  • Can I find deals for business class flights from Montana to Sydney?

    Yes. Cheapflights offers flight deals from Montana to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Montana to Sydney (average of $129). Flying from Montana to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montana?

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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from Montana to Sydney?

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Yes! Cheapflights helps users easily find flights from Montana to Sydney with no change fees.

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Not ready to book yet? You can track prices for flights from Montana to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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