Cheap flights from Montreal to Australia from C$ 837

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SYD
15 Jul — 22 Jul1
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 15 June 2026.

Fri 19/67:00 a.m.
YUL
-
MEL
2 stops34h 50m
Delta
Sun 5/710:00 a.m.
MEL
-
YUL
2 stops27h 55m
Delta
Deal found 15/6C$ 1,372
Tue 4/86:00 a.m.
YUL
-
SYD
2 stops34h 50m
Delta
Tue 18/89:15 a.m.
SYD
-
YUL
2 stops28h 25m
Delta
Deal found 13/6C$ 1,447
Mon 15/612:48 p.m.
YUL
-
SYD
2 stops28h 02m
Delta
Mon 6/79:15 a.m.
SYD
-
YUL
2 stops28h 40m
Delta
Deal found 12/6C$ 1,448
Mon 3/86:47 p.m.
YUL
-
SYD
2 stops46h 03m
Delta
Fri 14/89:15 a.m.
SYD
-
YUL
2 stops52h 25m
Delta
Deal found 14/6C$ 1,516
Wed 1/76:50 p.m.
YUL
-
SYD
2 stops46h 00m
Delta
Wed 15/79:15 a.m.
SYD
-
YUL
2 stops28h 10m
Delta
Deal found 15/6C$ 1,518
Thu 18/67:00 a.m.
YUL
-
SYD
2 stops33h 50m
Delta
Tue 14/79:15 a.m.
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 10/6C$ 1,523
Fri 24/76:47 p.m.
YUL
-
SYD
2 stops46h 03m
Delta
Fri 21/89:15 a.m.
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 14/6C$ 1,588
Mon 3/86:47 p.m.
YUL
-
SYD
2 stops46h 03m
Delta
Wed 9/99:15 a.m.
SYD
-
YUL
2 stops27h 55m
Delta
Deal found 12/6C$ 1,662
Sat 29/82:46 p.m.
YUL
-
SYD
2 stops50h 04m
Delta
Thu 17/99:15 a.m.
SYD
-
YUL
2 stops28h 07m
Delta
Deal found 14/6C$ 1,732
Thu 27/812:47 p.m.
YUL
-
SYD
2 stops28h 03m
Delta
Tue 29/99:15 a.m.
SYD
-
YUL
2 stops28h 07m
Delta
Deal found 12/6C$ 1,733
Fri 18/97:15 a.m.
YUL
-
MEL
3 stops38h 45m
Multiple Airlines
Fri 2/101:30 p.m.
MEL
-
YUL
3 stops31h 35m
Multiple Airlines
Deal found 14/6C$ 1,813
Fri 18/97:15 a.m.
YUL
-
BNE
3 stops37h 20m
Multiple Airlines
Fri 2/1011:35 a.m.
BNE
-
YUL
3 stops33h 30m
Multiple Airlines
Deal found 14/6C$ 1,834

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 15 June 2026.

Round-trip from

C$ 1,372

One-way from

C$ 837

Popular in

December

Cheapest in

September

Average price

C$ 2,317
Delta
  • Delta
  • 11/8-23/8
  • 4 total stops
  • 74h 33m total
  • Montreal to Australia
Delta
  • Delta
  • 31/8
  • 2 total stops
  • 24h 40m total
  • Montreal to Australia
Highest demand for flights based on searches. 3% potential increase in price (C$ 121 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 June 2026

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 15 June 2026.
Use the filters below to find and compare flights from Montreal to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

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

2 stops33h 50m

Sydney Kingsford Smith

Sun 16/8

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

2 stops52h 25m

C$ 1,447

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

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

2 stops34h 50m

Melbourne

Wed 26/8

10:00 a.m.-11:52 p.m.

2 stops27h 52m

C$ 1,960

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

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

2 stops46h 00m

Sydney Kingsford Smith

Sun 12/7

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

2 stops52h 25m

C$ 2,129

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

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

2 stops31h 50m

Sydney Kingsford Smith

Sun 10/1

7:40 p.m.-3:07 p.m.

3 stops35h 27m

C$ 2,320

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

7:15 a.m.-6:35 a.m.

2 stops56h 20m

Sydney Kingsford Smith

Fri 23/10

6:50 p.m.-11:45 p.m.

2 stops43h 55m

C$ 2,444

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

6:50 p.m.-7:55 a.m.

2 stops48h 05m

Perth

Sat 5/12

9:25 a.m.-6:20 p.m.

2 stops45h 55m

C$ 2,444

MontrealMelbourne

YUL - AVV

YULAVV

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

7:45 p.m.-3:20 p.m.

2 stops28h 35m

Melbourne Avalon

Sat 24/10

6:00 a.m.-4:54 p.m.

2 stops25h 54m

C$ 2,465

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

9:35 p.m.-5:50 p.m.

1 stop29h 15m

Melbourne

Tue 27/10

4:10 p.m.-3:05 p.m.

1 stop37h 55m

C$ 2,467

MontrealPerth

YUL - PER

YULPER

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

8:10 p.m.-7:55 a.m.

2 stops46h 45m

Perth

Sat 5/12

9:25 a.m.-6:20 p.m.

2 stops45h 55m

C$ 2,493

MontrealMelbourne

YUL - MEL

YULMEL

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

2:10 p.m.-12:35 p.m.

3 stops31h 25m

Melbourne

Wed 28/10

7:10 a.m.-9:06 p.m.

2 stops28h 56m

C$ 2,513

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Montreal to Australia (average of C$ 282). Flying from Montreal to Australia in June is currently the most expensive (average of C$ 581). 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.

How far ahead should I book a flight from Montreal to Australia?

The best time to book flights from Montreal to Australia is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 15 June 2026.
Read reviews from past customers who have flown Air New Zealand,United Airlines, 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.

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 50m. Fly via Delta, Austrian Airlines, or Qantas 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$ 1,005 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 1,044 and C$ 1,264, 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, February is the cheapest month in which you can book a flight from Montreal to Australia (average of C$ 282). Flying from Montreal to Australia in June is currently the most expensive (average of C$ 581). 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 7 airlines flying from Montreal to Australia

Discover the top 7 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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 367AverageC$ 569FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 448AverageC$ 1,151FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapestC$ 1,118AverageC$ 1,742FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,459AverageC$ 2,263FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,496AverageC$ 2,328FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapestC$ 1,805AverageC$ 2,179FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 1,914AverageC$ 2,557FlexibilityNo 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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