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Cheap flights from Montreal to Sydney from C$ 600

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 20/10. 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 (YMQ-SYD)

Cheap round-trip flights

Logo
8:10 a.m. - 11:45 a.m.YUL-SYD
37h 35m2 stops
Logo
1:15 p.m. - 6:53 a.m.SYD-YUL
31h 38m2 stops
C$ 1,474
Find Deal
Fri, 5 Sep - Sun, 21 Sep
Logo
8:10 a.m. - 11:45 a.m.YUL-SYD
37h 35m2 stops
Logo
6:00 a.m. - 6:53 a.m.SYD-YUL
38h 53m2 stops
C$ 1,586
Find Deal
Fri, 5 Sep - Sun, 21 Sep
Logo
6:45 p.m. - 11:45 a.m.YUL-SYD
27h 00m2 stops
Logo
1:15 p.m. - 6:53 a.m.SYD-YUL
31h 38m2 stops
C$ 1,659
Find Deal
Mon, 8 Sep - Mon, 22 Sep
Air New Zealand Logo
6:20 p.m. - 8:45 a.m.YUL-SYD
47h 25m2 stops
Air New Zealand Logo
9:55 a.m. - 6:44 a.m.SYD-YUL
36h 49m2 stops
C$ 1,729Air New Zealand
Find Deal
Sat, 1 Nov - Tue, 11 Nov
Air New Zealand Logo
6:20 p.m. - 8:45 a.m.YUL-SYD
47h 25m2 stops
Air New Zealand Logo
9:55 a.m. - 6:44 a.m.SYD-YUL
36h 49m2 stops
C$ 1,730Air New Zealand
Find Deal
Sat, 1 Nov - Tue, 11 Nov
Air New Zealand Logo
9:00 a.m. - 10:30 a.m.YUL-SYD
34h 30m2 stops
Air New Zealand Logo
1:55 p.m. - 6:44 a.m.SYD-YUL
32h 49m2 stops
C$ 1,751Air New Zealand
Find Deal
Tue, 28 Oct - Mon, 10 Nov
Air Canada Logo
4:55 p.m. - 7:20 a.m.YUL-SYD
24h 25m2 stops
Air Canada Logo
9:20 a.m. - 7:00 a.m.SYD-YUL
35h 40m1 stop
C$ 1,874Air Canada
Find Deal
Mon, 8 Sep - Mon, 22 Sep
Air Canada Logo
1:25 p.m. - 9:35 a.m.YUL-SYD
28h 10m1 stop
Air Canada Logo
11:20 a.m. - 7:14 p.m.SYD-YUL
23h 54m2 stops
C$ 1,920Air Canada
Find Deal
Wed, 12 Nov - Wed, 3 Dec
Air Canada Logo
1:20 p.m. - 9:35 a.m.YUL-SYD
28h 15m3 stops
Air Canada Logo
11:20 a.m. - 7:14 p.m.SYD-YUL
23h 54m2 stops
C$ 1,930Air Canada
Find Deal
Wed, 12 Nov - Wed, 3 Dec
Air Canada Logo
9:40 a.m. - 7:20 a.m.YUL-SYD
31h 40m2 stops
Air Canada Logo
9:20 a.m. - 7:42 p.m.SYD-YUL
24h 22m2 stops
C$ 1,937Air Canada
Find Deal
Mon, 8 Sep - Mon, 15 Sep

Air New Zealand flights from Montreal to Sydney

Our best Air New Zealand deals on Montreal to Sydney flight tickets
Air New Zealand
1 Nov
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
47h 25m
2 stops
SYD8:45 a.m.Sydney Kingsford Smith
11 Nov
SYD9:55 a.m.Sydney Kingsford Smith
36h 49m
2 stops
YUL6:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,729
Find similar
Air New Zealand
1 Nov
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
47h 25m
2 stops
SYD8:45 a.m.Sydney Kingsford Smith
11 Nov
SYD9:55 a.m.Sydney Kingsford Smith
36h 49m
2 stops
YUL6:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,730
Find similar
Air New Zealand
28 Oct
YUL9:00 a.m.Montreal Pierre Elliott Trudeau Intl
34h 30m
2 stops
SYD10:30 a.m.Sydney Kingsford Smith
10 Nov
SYD1:55 p.m.Sydney Kingsford Smith
32h 49m
2 stops
YUL6:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,751
Find similar

Air Canada flights from Montreal to Sydney

Our best Air Canada deals on Montreal to Sydney flight tickets
Air Canada
8 Sep
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
24h 25m
2 stops
SYD7:20 a.m.Sydney Kingsford Smith
22 Sep
SYD9:20 a.m.Sydney Kingsford Smith
35h 40m
1 stop
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,874
Find similar
Air Canada
12 Nov
YUL1:25 p.m.Montreal Pierre Elliott Trudeau Intl
28h 10m
1 stop
SYD9:35 a.m.Sydney Kingsford Smith
3 Dec
SYD11:20 a.m.Sydney Kingsford Smith
23h 54m
2 stops
YUL7:14 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,920
Find similar
Air Canada
12 Nov
YUL1:20 p.m.Montreal Pierre Elliott Trudeau Intl
28h 15m
3 stops
SYD9:35 a.m.Sydney Kingsford Smith
3 Dec
SYD11:20 a.m.Sydney Kingsford Smith
23h 54m
2 stops
YUL7:14 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,930
Find similar

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 14 August 2025.
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

Fri 5/9

8:10 a.m.-11:45 a.m.

2 stops37h 35m

Sydney Kingsford Smith

Sun 21/9

1:15 p.m.-6:53 a.m.

2 stops31h 38m

C$ 1,474

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

8:10 a.m.-11:45 a.m.

2 stops37h 35m

Sydney Kingsford Smith

Sun 21/9

6:00 a.m.-6:53 a.m.

2 stops38h 53m

C$ 1,586

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

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

2 stops27h 00m

Sydney Kingsford Smith

Mon 22/9

1:15 p.m.-6:53 a.m.

2 stops31h 38m

C$ 1,659

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

6:20 p.m.-8:45 a.m.

2 stops47h 25m

Sydney Kingsford Smith

Tue 11/11

9:55 a.m.-6:44 a.m.

2 stops36h 49m

C$ 1,729

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

6:20 p.m.-8:45 a.m.

2 stops47h 25m

Sydney Kingsford Smith

Tue 11/11

9:55 a.m.-6:44 a.m.

2 stops36h 49m

C$ 1,730

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

9:00 a.m.-10:30 a.m.

2 stops34h 30m

Sydney Kingsford Smith

Mon 10/11

1:55 p.m.-6:44 a.m.

2 stops32h 49m

C$ 1,751

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

4:55 p.m.-7:20 a.m.

2 stops24h 25m

Sydney Kingsford Smith

Mon 22/9

9:20 a.m.-7:00 a.m.

1 stop35h 40m

C$ 1,874

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

1:25 p.m.-9:35 a.m.

1 stop28h 10m

Sydney Kingsford Smith

Wed 3/12

11:20 a.m.-7:14 p.m.

2 stops23h 54m

C$ 1,920

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

1:20 p.m.-9:35 a.m.

3 stops28h 15m

Sydney Kingsford Smith

Wed 3/12

11:20 a.m.-7:14 p.m.

2 stops23h 54m

C$ 1,930

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

9:40 a.m.-7:20 a.m.

2 stops31h 40m

Sydney Kingsford Smith

Mon 15/9

9:20 a.m.-7:42 p.m.

2 stops24h 22m

C$ 1,937

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 2,017.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Montreal to Sydney is on a Sunday when prices can be found for as low as C$ 2,176. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around C$ 2,315.

What is the cheapest time of day to depart on your flight to Sydney?

The cheapest time of day to fly to Sydney is in the evening when flights can be purchased for as low as C$ 1,996. In contrast, the most expensive time of day to depart to Sydney is in the afternoon when prices are around C$ 2,279.

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$ 2,239 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$ 1,626 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 8% 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 August 2025, prices for Montreal to Sydney flights are approximately 3% cheaper 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

Best price found

C$ 600

Fastest flight time

24h 20m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Montreal in the past 72 hours is C$ 600. The best round-trip flight deal from Montreal to Sydney found on momondo in the last 72 hours is C$ 1,474.
The fastest flight from Montreal to Sydney takes 24h 20m
There are no direct flights from Montreal to Sydney. Popular non-direct route for this connection is Montreal Pierre Elliott Trudeau Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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 24h 20m.

  • 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$ 295Free CancellationRating
8.0
332 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 328Free CancellationRating
7.2
3,015 reviews
Search WestJet flights
DeltaPriceFrom C$ 449Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Qantas AirwaysPriceFrom C$ 1,102Free CancellationRating
7.5
895 reviews
Search Qantas Airways flights
United AirlinesPriceFrom C$ 1,489Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 1,716Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
Air New ZealandPriceFrom C$ 1,725Free CancellationRating
8.0
504 reviews
Search Air New Zealand flights
Qatar AirwaysPriceFrom C$ 2,298Free CancellationRating
7.4
3,608 reviews
Search Qatar Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
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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Air Canada
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Porter Airlines
Air Transat
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