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Cheap flights from Montreal to Sydney from C$ 864

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Sydney departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:05 a.m. - 7:20 a.m.
YUL
-
SYD
33h 15m
2 stops
Air Canada Logo
9:20 a.m. - 11:39 a.m.
SYD
-
YUL
40h 19m
2 stops
C$ 1,469Air Canada
Mon, 15 Jun - Mon, 6 Jul
Air Canada Logo
2:25 p.m. - 8:35 a.m.
YUL
-
SYD
27h 10m
2 stops
Air Canada Logo
9:20 a.m. - 6:31 a.m.
SYD
-
YUL
35h 11m
3 stops
C$ 1,482Air Canada
Mon, 16 Mar - Mon, 6 Apr
Air Canada Logo
9:30 p.m. - 7:20 a.m.
YUL
-
SYD
43h 50m
1 stop
Air Canada Logo
10:30 a.m. - 4:59 p.m.
SYD
-
YUL
44h 29m
2 stops
C$ 1,498Air Canada
Mon, 15 Jun - Mon, 6 Jul
Air Canada Logo
8:05 a.m. - 9:35 a.m.
YUL
-
SYD
57h 30m
2 stops
Air Canada Logo
11:20 a.m. - 8:16 a.m.
SYD
-
YUL
35h 56m
2 stops
C$ 1,502Air Canada
Mon, 2 Mar - Mon, 9 Mar
Air Canada Logo
8:50 p.m. - 8:20 a.m.
YUL
-
SYD
44h 30m
2 stops
Air Canada Logo
9:20 a.m. - 12:02 p.m.
SYD
-
YUL
40h 42m
2 stops
C$ 1,512Air Canada
Thu, 26 Mar - Thu, 9 Apr
Air Canada Logo
1:45 p.m. - 7:20 a.m.
YUL
-
SYD
51h 35m
2 stops
Air Canada Logo
9:20 a.m. - 12:18 p.m.
SYD
-
YUL
40h 58m
2 stops
C$ 1,520Air Canada
Thu, 16 Apr - Wed, 6 May
Air Canada Logo
8:05 a.m. - 7:20 a.m.
YUL
-
SYD
57h 15m
2 stops
Air Canada Logo
7:00 a.m. - 8:57 p.m.
SYD
-
YUL
27h 57m
2 stops
C$ 1,540Air Canada
Thu, 16 Apr - Wed, 6 May
Air Canada Logo
3:35 p.m. - 9:35 a.m.
YUL
-
SYD
26h 00m
2 stops
Air Canada Logo
10:20 a.m. - 12:09 p.m.
SYD
-
YUL
40h 49m
2 stops
C$ 1,542Air Canada
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
8:05 a.m. - 7:20 a.m.
YUL
-
SYD
57h 15m
2 stops
Air Canada Logo
6:30 a.m. - 7:27 p.m.
SYD
-
YUL
26h 57m
2 stops
C$ 1,549Air Canada
Thu, 16 Apr - Wed, 6 May
Air Canada Logo
8:05 a.m. - 9:35 a.m.
YUL
-
SYD
57h 30m
2 stops
Air Canada Logo
11:20 a.m. - 12:09 p.m.
SYD
-
YUL
39h 49m
2 stops
C$ 1,554Air Canada
Mon, 2 Mar - Mon, 9 Mar

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets
Air Canada
15 Jun
YUL8:05 a.m.Montreal Pierre Elliott Trudeau Intl
33h 15m
2 stops
SYD7:20 a.m.Sydney Kingsford Smith
6 Jul
SYD9:20 a.m.Sydney Kingsford Smith
40h 19m
2 stops
YUL11:39 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,469
Air Canada
16 Mar
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
27h 10m
2 stops
SYD8:35 a.m.Sydney Kingsford Smith
6 Apr
SYD9:20 a.m.Sydney Kingsford Smith
35h 11m
3 stops
YUL6:31 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,482
Air Canada
15 Jun
YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl
43h 50m
1 stop
SYD7:20 a.m.Sydney Kingsford Smith
6 Jul
SYD10:30 a.m.Sydney Kingsford Smith
44h 29m
2 stops
YUL4:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,498

Qantas Airways flights from Montreal to Sydney

Our best Qantas Airways deals on Montreal to Sydney flight tickets
Qantas Airways
9 May
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
28h 35m
2 stops
SYD7:05 a.m.Sydney Kingsford Smith
31 May
SYD9:10 a.m.Sydney Kingsford Smith
28h 35m
2 stops
YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,667
Qantas Airways
16 Mar
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
48h 40m
2 stops
SYD7:25 a.m.Sydney Kingsford Smith
1 Apr
SYD10:10 a.m.Sydney Kingsford Smith
43h 48m
2 stops
YUL2:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,670
Qantas Airways
7 Feb
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
47h 05m
2 stops
SYD6:55 a.m.Sydney Kingsford Smith
20 Feb
SYD5:45 p.m.Sydney Kingsford Smith
37h 19m
2 stops
YUL3:04 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,685

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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, momondo users made 96,600 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Montreal to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

8:05 a.m.-7:20 a.m.

2 stops33h 15m

Sydney Kingsford Smith

Mon 6/7

9:20 a.m.-11:39 a.m.

2 stops40h 19m

C$ 1,469

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

2:25 p.m.-8:35 a.m.

2 stops27h 10m

Sydney Kingsford Smith

Mon 6/4

9:20 a.m.-6:31 a.m.

3 stops35h 11m

C$ 1,482

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

9:30 p.m.-7:20 a.m.

1 stop43h 50m

Sydney Kingsford Smith

Mon 6/7

10:30 a.m.-4:59 p.m.

2 stops44h 29m

C$ 1,498

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

8:05 a.m.-9:35 a.m.

2 stops57h 30m

Sydney Kingsford Smith

Mon 9/3

11:20 a.m.-8:16 a.m.

2 stops35h 56m

C$ 1,502

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

8:50 p.m.-8:20 a.m.

2 stops44h 30m

Sydney Kingsford Smith

Thu 9/4

9:20 a.m.-12:02 p.m.

2 stops40h 42m

C$ 1,512

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

1:45 p.m.-7:20 a.m.

2 stops51h 35m

Sydney Kingsford Smith

Wed 6/5

9:20 a.m.-12:18 p.m.

2 stops40h 58m

C$ 1,520

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

8:05 a.m.-7:20 a.m.

2 stops57h 15m

Sydney Kingsford Smith

Wed 6/5

7:00 a.m.-8:57 p.m.

2 stops27h 57m

C$ 1,540

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

3:35 p.m.-9:35 a.m.

2 stops26h 00m

Sydney Kingsford Smith

Wed 11/3

10:20 a.m.-12:09 p.m.

2 stops40h 49m

C$ 1,542

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

8:05 a.m.-7:20 a.m.

2 stops57h 15m

Sydney Kingsford Smith

Wed 6/5

6:30 a.m.-7:27 p.m.

2 stops26h 57m

C$ 1,549

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

8:05 a.m.-9:35 a.m.

2 stops57h 30m

Sydney Kingsford Smith

Mon 9/3

11:20 a.m.-12:09 p.m.

2 stops39h 49m

C$ 1,554

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Montreal to Sydney

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

What is the typical price of a round-trip flight between Montreal and Sydney?

What is the cheapest month to fly to Sydney?

If you aren’t able to travel to Sydney during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 2,016.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around C$ 2,246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Montreal for as low as C$ 1,542 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 1% on your flight if you consider stops on a Montreal to Sydney flight.

How have Montreal to Sydney flight prices changed over time?

As of February 2026, prices for Montreal to Sydney flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Montreal to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Sydney (YMQ to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Sydney

Fastest flight time

25h 10m

Direct flights

None
The fastest flight from Montreal to Sydney takes 25h 10m
There are no direct flights from Montreal to Sydney. There are no popular flight routes from Montreal to Sydney.
Search flight deals

  • How far is Montreal to Sydney Kingsford Smith by plane?

    A flight from Montreal to Sydney Kingsford Smith will travel around 16019.1 km. By plane, this route typically takes 25h 10m.

  • When did momondo last update prices for flights from Montreal to Sydney Kingsford Smith Airport?

    Prices for flights from Montreal to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Montreal to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Montreal to Sydney Kingsford Smith Airport?

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Montreal to Sydney?

Best airlines flying from Montreal to Sydney

Compare and see reviews for airlines that fly from Montreal to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 292Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 326Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
DeltaPriceFrom C$ 446Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Fiji AirwaysPriceFrom C$ 978Free CancellationRating
8.0
223 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom C$ 1,093Free CancellationRating
7.5
985 reviews
Search Qantas Airways flights
United AirlinesPriceFrom C$ 1,496Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 1,657Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
Air New ZealandPriceFrom C$ 1,764Free CancellationRating
8.0
578 reviews
Search Air New Zealand flights
Qatar AirwaysPriceFrom C$ 1,959Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Penrith
Bondi Beach

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Montreal to Sydney with flexible booking policies on momondo?

All flight searches from Montreal to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to Sydney?

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 Sydney from Montreal.

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

Price alerts on flights to Sydney from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Australia

Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air Canada
United Airlines
Delta
Porter Airlines
Qatar Airways
WestJet
Air New Zealand
Qantas Airways
Fiji Airways