Cheap flights from Montreal to Australia from C$ 814

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SYD
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Australia
Explore the most affordable flight options available from Montreal to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Wed 31/1210:30 a.m.YUL - SYD
2 stops31h 05mAir Canada
Tue 20/111:20 a.m.SYD - YUL
2 stops22h 35mAir Canada
Deal found 22/12C$ 2,660
Wed 31/1212:59 p.m.YUL - SYD
2 stops28h 01mAmerican Airlines
Tue 20/111:20 a.m.SYD - YUL
2 stops27h 24mAmerican Airlines
Deal found 20/12C$ 2,690
Wed 31/126:25 p.m.YUL - BNE
1 stop23h 20mAir Canada
Sun 18/110:45 a.m.BNE - YUL
2 stops27h 34mAir Canada
Deal found 22/12C$ 2,697
Mon 29/126:20 p.m.YUL - MEL
2 stops27h 55mAir Canada
Sat 17/112:00 p.m.MEL - YUL
2 stops45h 00mAir Canada
Deal found 21/12C$ 2,712
Mon 29/127:08 a.m.YUL - MEL
2 stops29h 52mAmerican Airlines
Sat 17/14:05 p.m.MEL - YUL
2 stops37h 40mAmerican Airlines
Deal found 20/12C$ 2,737
Mon 29/124:09 p.m.YUL - SYD
1 stop22h 46mAmerican Airlines
Sat 17/111:20 a.m.SYD - YUL
2 stops27h 24mAmerican Airlines
Deal found 22/12C$ 2,738
Fri 26/121:25 p.m.YUL - BNE
1 stop28h 20mAir Canada
Tue 13/110:45 a.m.BNE - YUL
1 stop25h 15mAir Canada
Deal found 21/12C$ 2,741
Wed 31/126:25 p.m.YUL - BNE
1 stop23h 20mAir Canada
Sat 17/110:45 a.m.BNE - YUL
1 stop25h 24mAir Canada
Deal found 22/12C$ 2,747
Fri 26/124:09 p.m.YUL - SYD
1 stop22h 46mAmerican Airlines
Sun 28/129:25 p.m.SYD - YUL
2 stops30h 55mAmerican Airlines
Deal found 22/12C$ 2,752
Mon 29/124:09 p.m.YUL - BNE
1 stop23h 21mAmerican Airlines
Mon 12/17:40 p.m.BNE - YUL
2 stops33h 05mAmerican Airlines
Deal found 22/12C$ 2,847
Mon 29/128:50 p.m.YUL - MEL
1 stop34h 30mQatar Airways
Sat 17/14:10 p.m.MEL - YUL
1 stop37h 55mQatar Airways
Deal found 22/12C$ 2,858
Thu 25/127:30 a.m.YUL - PER
2 stops34h 25mMultiple Airlines
Thu 15/18:40 p.m.PER - YUL
3 stops35h 45mMultiple Airlines
Deal found 21/12C$ 2,981

Find flight deals from Montreal to Australia

Keep the following information in mind while searching for Montreal to Australia flight deals. Data was last updated 23 December 2025.

Round-trip from

C$ 1,327

One-way from

C$ 814

Popular in

December

Cheapest in

September

Average price

C$ 2,756
Delta
  • Delta
  • 4/5-24/5
  • 4 total stops
  • 55h 35m total
  • Montreal to Australia
Delta
  • Delta
  • 18/1
  • 2 total stops
  • 33h 30m total
  • Montreal to Australia
Highest demand for flights based on searches. 9% potential increase in price (C$ 318 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 67 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Australia 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 629,999 searches. Data last updated 23 December 2025.
Use the filters below to find and compare flights from Montreal to Australia that are best for you.

Fly from

Montreal

Fly to

Australia

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

7:00 a.m.-7:35 a.m.

2 stops33h 35m

Sydney Kingsford Smith

Sun 12/4

9:15 a.m.-11:40 p.m.

2 stops28h 25m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:00 a.m.-6:35 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Tue 26/5

9:15 a.m.-11:58 p.m.

2 stops28h 43m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

6:00 a.m.-7:35 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Sun 19/4

9:15 a.m.-11:26 p.m.

2 stops28h 11m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

2:40 p.m.-8:30 a.m.

2 stops25h 50m

Sydney Kingsford Smith

Tue 10/3

1:15 p.m.-11:59 a.m.

2 stops37h 44m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

12:52 p.m.-8:30 a.m.

2 stops27h 38m

Sydney Kingsford Smith

Tue 17/3

1:15 p.m.-11:40 p.m.

2 stops25h 25m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

2:40 p.m.-8:30 a.m.

2 stops25h 50m

Sydney Kingsford Smith

Tue 7/4

9:15 a.m.-11:37 a.m.

2 stops40h 22m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 p.m.-6:35 a.m.

2 stops45h 50m

Sydney Kingsford Smith

Sun 24/5

9:15 a.m.-11:10 p.m.

2 stops27h 55m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

7:00 a.m.-7:25 a.m.

2 stops33h 25m

Sydney Kingsford Smith

Mon 23/3

1:15 p.m.-11:37 a.m.

2 stops37h 22m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

12:55 p.m.-6:35 a.m.

2 stops27h 40m

Sydney Kingsford Smith

Sun 24/5

9:15 a.m.-11:34 p.m.

2 stops28h 19m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

12:52 p.m.-8:30 a.m.

2 stops27h 38m

Sydney Kingsford Smith

Mon 16/3

9:40 a.m.-11:59 p.m.

2 stops29h 19m

C$ 1,327

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 60 results
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Best time to book a flight from Montreal to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Montreal with our price prediction graph.
Estimated round-trip 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 Montreal to Australia

What is the cheapest month to book a flight from Montreal to Australia?

Currently, May is the cheapest month in which you can book a flight from Montreal to Australia (average of C$ 354). Flying from Montreal to Australia in June is currently the most expensive (average of C$ 1,676). 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.

What is the cheapest time of day to fly from YMQ to AU?

Find hourly flight availability from Montreal to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

It’s typically best to fly out from Montreal to Australia in the morning. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Montreal to Australia?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Australia. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Australia flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 23 December 2025.
Read reviews from past customers who have flown Air New Zealand,Qantas Airways, andQatar Airways from Montreal to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Comfort

8.0

Food

7.4

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Boarding

8.2

Crew

8.5

Comfort

8.0

Food

7.4

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Boarding

8.2

Crew

8.5

Comfort

8.0

Food

7.4

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Boarding

8.2

Crew

8.5

Comfort

8.0

Food

7.4

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Boarding

8.2

Crew

8.5

Comfort

8.0

Food

7.4

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Boarding

8.2

Crew

8.5

Comfort

8.0

Food

7.4

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Related info for your journey

Find useful and relevant information for your journey from Montreal to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Australia from Montreal?

    There are several airports serving flights from Montreal to Australia, including Montreal Mirabel International Airport, Montreal-Pierre Elliott Trudeau International Airport, and Montreal Saint-Hubert Longueuil Airport. These three airports are some of the busiest air hubs in the country, processing hundreds of international flights in their expansive terminals. Montreal-Pierre Elliott Trudeau International Airport is the most used airport for flights to Australia. Located only 13 km from downtown Montreal, the airport is easily accessible at just 25min from the city center. When traveling by bus, the 747 is the only line that connects all Montreal areas with the airport; this ride costs about C$ 7. Other means to get to the airport include Montreal taxis, limousines, and rental cars.

  • Which airlines fly directly to Australia from Montreal?

    Currently, you cannot fly non-stop to Australia from Montreal. If you’re going to fly this route, you will make one or more stopovers in major connecting hubs like Paris Charles de Gaulle Airport, Abu Dhabi International Airport, Newark Liberty International Airport, or Los Angeles LAX. The most popular airlines flying from Montreal to Australia are the major airlines, such as American Airlines and Air Canada. If you want to spend the least time travelling, Qatar Airways is the best option, as its one-stop route is normally the shortest. Routes with stopovers in Newark and Abu Dhabi are mostly serviced by Air Canada.

  • What are the stopover options between Montreal and Australia?

    Because there are no direct flights from Montreal Trudeau Airport, you will have to make one or more stops during the journey. If you fly with Air Canada, your possible stopover locations will be at Paris and Abu Dhabi before you proceed to Australia. This route is also served by United Airlines and Qatar Airlines. The flight routes that most travelers take to Australia from Montreal are the Montreal Trudeau Airport route that connects to Sydney Kingsford Smith International Airport and the Montreal Trudeau Airport route to Brisbane.

  • Do I need a passport or visa to fly to Australia from Montreal?

    Any Canadian who desires to travel to Australia is expected to have a passport that’s valid for six months past your date of arrival in the country. Although a visa is not necessary, Canadian citizens must obtain an Electronic Travel Authorization (ETA) before entering Australia. With an ETA, you have the opportunity to make multiple trips to Australia as long as you don’t exceed the 90-day stay limit. You can, however, request for multiple entries through the immigration authorities. The ETA can be easily accessed through iVisa.com, which ensures speedy processing, security, and a low chance of rejection. As a first-time traveller, you may be asked to produce proof of financial capability for your visit.

  • How long is the flight from Montreal to Australia?

    There are many flights that can get you from Montreal to Australia in 33h 35m. Fly via Delta, Qatar Airways, or KLM to get the fastest option. The distance between Montreal and Australia is about 16011 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Montreal to Australia one-way?

    C$ 1,029 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Qatar Airways and United Airlines, with prices starting from C$ 1,141 and C$ 1,516, respectively.

  • What are the most popular routes from Montreal to Australia?

  • Can I find deals for flights from Montreal to Australia that include hotel bookings?

    Yes. In addition to deals on Montreal to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Australia?

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

  • Can I find deals for business class flights from Montreal to Australia?

    Yes. Cheapflights offers flight deals from Montreal to Australia 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 Montreal to Australia?

    Currently, May is the cheapest month in which you can book a flight from Montreal to Australia (average of C$ 354). Flying from Montreal to Australia in June is currently the most expensive (average of C$ 1,676). 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

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Alternative routes for Montreal to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Montreal to Australia

Discover the top 9 airlines that operate flights from Montreal to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 295AverageC$ 380FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 328AverageC$ 507FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 449AverageC$ 1,082FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,101AverageC$ 1,819FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,232AverageC$ 2,257FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,493AverageC$ 2,289FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,725AverageC$ 1,905FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air FranceCheapestC$ 1,914AverageC$ 2,221FlexibilityNo cancel feeOn-time77%
Search Air France flights
Qatar AirwaysCheapestC$ 2,070AverageC$ 2,710FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Montreal to Australia?

When you search for this flight from Montreal to Australia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Australia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to Australia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Montreal to Australia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to Australia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to Australia become cheaper?

Yes, Cheapflights offers price alerts on Montreal to Australia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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