Cheap flights from Montreal to Australia from C$ 812

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
11 Jan — 18 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 12 December 2025.

Wed 10/124:45 p.m.YUL - MEL
2 stops48h 45mUnited Airlines
Sat 10/111:30 a.m.MEL - YUL
2 stops25h 47mUnited Airlines
Deal found 10/12C$ 2,646
Wed 24/127:30 a.m.YUL - MEL
2 stops34h 00mAmerican Airlines
Wed 14/112:00 p.m.MEL - YUL
2 stops26h 59mAmerican Airlines
Deal found 10/12C$ 2,681
Wed 31/122:29 p.m.YUL - SYD
2 stops26h 31mAmerican Airlines
Tue 20/111:20 a.m.SYD - YUL
2 stops27h 24mAmerican Airlines
Deal found 11/12C$ 2,682
Fri 26/126:45 a.m.YUL - SYD
2 stops34h 15mMultiple Airlines
Fri 16/15:45 p.m.SYD - YUL
2 stops29h 20mMultiple Airlines
Deal found 11/12C$ 2,702
Wed 31/126:25 p.m.YUL - SYD
1 stop44h 30mAir Canada
Tue 20/111:20 a.m.SYD - YUL
2 stops27h 59mAir Canada
Deal found 11/12C$ 2,703
Sat 27/127:30 a.m.YUL - SYD
1 stop34h 05mAir Canada
Sun 18/111:20 a.m.SYD - YUL
2 stops35h 50mAir Canada
Deal found 11/12C$ 2,706
Fri 26/129:30 p.m.YUL - BNE
2 stops44h 15mAir Canada
Tue 13/110:45 a.m.BNE - YUL
2 stops40h 13mAir Canada
Deal found 11/12C$ 2,742
Wed 31/129:30 p.m.YUL - BNE
2 stops44h 15mAir Canada
Sun 18/110:45 a.m.BNE - YUL
1 stop23h 40mAir Canada
Deal found 10/12C$ 2,744
Sat 27/127:30 a.m.YUL - SYD
1 stop34h 05mAir Canada
Thu 15/111:20 a.m.SYD - YUL
1 stop24h 05mAir Canada
Deal found 11/12C$ 2,757
Sat 27/127:30 a.m.YUL - SYD
1 stop34h 05mAir Canada
Sat 17/18:30 a.m.SYD - YUL
2 stops26h 55mAir Canada
Deal found 11/12C$ 2,777
Mon 29/129:00 p.m.YUL - SYD
1 stop44h 35mAir Canada
Sun 18/111:20 a.m.SYD - YUL
2 stops35h 50mAir Canada
Deal found 11/12C$ 2,782
Wed 31/127:30 a.m.YUL - BNE
2 stops30h 30mAmerican Airlines
Sun 18/112:10 p.m.BNE - YUL
2 stops25h 49mAmerican Airlines
Deal found 11/12C$ 2,786

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 12 December 2025.

Round-trip from

C$ 1,325

One-way from

C$ 812

Popular in

December

Cheapest in

September

Average price

C$ 2,761
Delta
  • Delta
  • 20/1-24/2
  • 4 total stops
  • 61h 09m 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$ 320 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 66 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 12 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

Mon 2/2

1:02 p.m.-8:30 a.m.

2 stops27h 28m

Sydney Kingsford Smith

Mon 2/3

10:40 a.m.-11:59 p.m.

2 stops29h 19m

C$ 1,325

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

7:00 a.m.-6:50 a.m.

2 stops31h 50m

Sydney Kingsford Smith

Sun 8/3

10:40 a.m.-10:37 a.m.

2 stops39h 57m

C$ 1,325

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

12:55 p.m.-7:25 a.m.

2 stops27h 30m

Sydney Kingsford Smith

Tue 21/4

9:25 a.m.-11:10 p.m.

2 stops27h 45m

C$ 1,325

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

6:00 a.m.-8:30 a.m.

2 stops34h 30m

Sydney Kingsford Smith

Mon 16/3

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

2 stops24h 56m

C$ 1,325

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:00 a.m.-8:30 a.m.

2 stops33h 30m

Sydney Kingsford Smith

Tue 24/2

10:40 a.m.-11:25 a.m.

2 stops40h 45m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

6:00 p.m.-6:50 a.m.

2 stops44h 50m

Sydney Kingsford Smith

Tue 17/3

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

2 stops24h 56m

C$ 1,327

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

7:00 a.m.-6:50 a.m.

2 stops31h 50m

Sydney Kingsford Smith

Wed 18/3

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

2 stops28h 31m

C$ 1,328

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

6:00 a.m.-8:30 a.m.

2 stops34h 30m

Sydney Kingsford Smith

Tue 7/4

9:25 a.m.-11:59 p.m.

2 stops28h 34m

C$ 1,328

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

2:13 p.m.-9:00 a.m.

2 stops27h 47m

Melbourne

Wed 13/5

9:30 a.m.-9:01 p.m.

2 stops25h 31m

C$ 1,462

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

2:13 p.m.-9:30 a.m.

2 stops27h 17m

Melbourne

Wed 18/2

1:00 p.m.-1:28 p.m.

2 stops40h 28m

C$ 1,462

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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$ 1,678). 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 12 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 12 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.

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

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 27h 28m. Fly via Delta, United Airlines, or Qatar Airways 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$ 1,030 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$ 1,143 and C$ 1,519, 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$ 1,678). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 295AverageC$ 381FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 329AverageC$ 558FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 450AverageC$ 1,083FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,103AverageC$ 1,888FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,234AverageC$ 2,261FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,712AverageC$ 2,287FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,728AverageC$ 1,893FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air FranceCheapestC$ 1,917AverageC$ 2,225FlexibilityNo cancel feeOn-time77%
Search Air France flights
Qatar AirwaysCheapestC$ 2,026AverageC$ 2,739FlexibilityNo 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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