What is the cheapest airline that flies from Montreal to Sydney Kingsford Smith?

Delta is the most popular carrier operating from Montreal to Sydney Kingsford Smith

Which airport is the most popular layover for flights between Montreal and Sydney?

Vancouver (YVR) was the most common stop: 78% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest travel time from Montreal to Sydney?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 9h 11m.

Which layover airport offers the lowest fares from Montreal to Sydney?

Flights via Atlanta (ATL) offer the lowest average round-trip price of C$ 446.

Which layover airport has the shortest connection time from Montreal to Sydney?

Toronto (YYZ) has the shortest average layover time for this route: 2h 02m.

Which airlines fly to Sydney?

Air Canada, United Airlines and Air New Zealand are the top three most popular airlines that fly to Sydney from Montreal according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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?

There are 9 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of April 2026.

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.

C$ 812 Cheap Flights from Montreal to Sydney in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 2,416 to C$ 1,946. The lowest price recently found on this route was C$ 1,537.

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montreal to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 a.m. - 11:50 a.m.

YUL

SYD

38h 35m

3 stops

6:00 a.m. - 7:05 a.m.

SYD

YUL

39h 05m

3 stops

C$ 1,537Multiple Airlines

Tue, 26 May - Tue, 2 Jun

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

YUL

SYD

39h 05m

3 stops

6:00 a.m. - 7:05 a.m.

SYD

YUL

39h 05m

3 stops

C$ 1,762Multiple Airlines

Sat, 9 May - Sat, 16 May

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

YUL

SYD

33h 50m

2 stops

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

SYD

YUL

28h 11m

2 stops

C$ 1,776Delta

Mon, 13 Apr - Wed, 29 Apr

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:55 p.m.

SYD

YUL

28h 40m

2 stops

C$ 1,778Delta

Wed, 22 Jul - Sun, 9 Aug

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

YUL

SYD

34h 50m

2 stops

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

SYD

YUL

28h 19m

2 stops

C$ 1,779Delta

Tue, 21 Jul - Wed, 12 Aug

12:55 p.m. - 6:50 a.m.

YUL

SYD

27h 55m

2 stops

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

SYD

YUL

28h 11m

2 stops

C$ 1,780Delta

Sun, 19 Apr - Mon, 4 May

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

YUL

SYD

34h 50m

2 stops

9:15 a.m. - 11:44 a.m.

SYD

YUL

40h 29m

2 stops

C$ 1,782Delta

Tue, 21 Jul - Sun, 9 Aug

12:44 p.m. - 6:50 a.m.

YUL

SYD

28h 06m

2 stops

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

SYD

YUL

28h 25m

2 stops

C$ 1,826Delta

Thu, 23 Jul - Tue, 4 Aug

12:47 p.m. - 6:50 a.m.

YUL

SYD

28h 03m

2 stops

9:15 a.m. - 11:55 p.m.

SYD

YUL

28h 40m

2 stops

C$ 1,828Delta

Thu, 23 Jul - Sun, 9 Aug

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

YUL

SYD

33h 50m

2 stops

9:15 a.m. - 11:25 p.m.

SYD

YUL

28h 10m

2 stops

C$ 1,829Delta

Thu, 23 Jul - Tue, 4 Aug

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Delta

13 Apr

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

29 Apr

SYD9:15 a.m.Sydney Kingsford Smith

28h 11m

2 stops

YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,776

Delta

22 Jul

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

33h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

9 Aug

SYD9:15 a.m.Sydney Kingsford Smith

28h 40m

2 stops

YUL11:55 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,778

Delta

21 Jul

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

34h 50m

2 stops

SYD6:50 a.m.Sydney Kingsford Smith

10 Aug

SYD9:15 a.m.Sydney Kingsford Smith

28h 41m

2 stops

YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,779

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets

Qatar Airways

19 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

29h 35m

1 stop

SYD5:10 p.m.Sydney Kingsford Smith

4 May

SYD8:45 p.m.Sydney Kingsford Smith

32h 00m

1 stop

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,009

Qatar Airways

19 Apr

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

29h 35m

1 stop

SYD5:10 p.m.Sydney Kingsford Smith

4 May

SYD8:45 p.m.Sydney Kingsford Smith

33h 25m

1 stop

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,013

Qatar Airways

1 Sep

YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl

42h 35m

1 stop

SYD6:10 a.m.Sydney Kingsford Smith

17 Sep

SYD8:45 p.m.Sydney Kingsford Smith

32h 00m

1 stop

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 2,031

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

7:15 a.m.-11:50 a.m.

3 stops38h 35m

Sydney Kingsford Smith

Tue 2/6

6:00 a.m.-7:05 a.m.

3 stops39h 05m

C$ 1,537

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

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

3 stops39h 05m

Sydney Kingsford Smith

Sat 16/5

6:00 a.m.-7:05 a.m.

3 stops39h 05m

C$ 1,762

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

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

2 stops33h 50m

Sydney Kingsford Smith

Wed 29/4

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

2 stops28h 11m

C$ 1,776

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

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

2 stops33h 50m

Sydney Kingsford Smith

Sun 9/8

9:15 a.m.-11:55 p.m.

2 stops28h 40m

C$ 1,778

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

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

2 stops34h 50m

Sydney Kingsford Smith

Wed 12/8

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

2 stops28h 19m

C$ 1,779

Quickest round-trip

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

12:55 p.m.-6:50 a.m.

2 stops27h 55m

Sydney Kingsford Smith

Mon 4/5

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

2 stops28h 11m

C$ 1,780

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

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

2 stops34h 50m

Sydney Kingsford Smith

Sun 9/8

9:15 a.m.-11:44 a.m.

2 stops40h 29m

C$ 1,782

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:44 p.m.-6:50 a.m.

2 stops28h 06m

Sydney Kingsford Smith

Tue 4/8

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

2 stops28h 25m

C$ 1,826

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:47 p.m.-6:50 a.m.

2 stops28h 03m

Sydney Kingsford Smith

Sun 9/8

9:15 a.m.-11:55 p.m.

2 stops28h 40m

C$ 1,828

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

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

2 stops33h 50m

Sydney Kingsford Smith

Tue 4/8

9:15 a.m.-11:25 p.m.

2 stops28h 10m

C$ 1,829

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 February is also cheap. Prices for this month can be found on momondo for an average of C$ 2,087.

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$ 2,266 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$ 1,821 on momondo.

Can stopping save me money on Montreal to Sydney flights?

You could potentially save up to 19% 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 April 2026, prices for Montreal to Sydney flights are approximately 10% 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	22h 20m
Direct flights	None

The fastest flight from Montreal to Sydney takes 22h 20m

There are no direct flights from Montreal to Sydney. There are no popular flight routes from Montreal to Sydney.

Search flight deals

Frequently asked questions about flying from Montreal to Sydney

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 22h 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?
There are 9 operators available for flights from Montreal to Sydney Kingsford Smith Airport as of April 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Sydney is Air Canada (59% of total bookings). The next most popular airlines are United Airlines (31%), Air New Zealand (4%), and Qantas Airways (4%).

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 Airlines	PriceFrom C$ 281	Free Cancellation	Rating 8.0 430 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 366	Free Cancellation	Rating 7.2 3,313 reviews	Search WestJet flights
Delta	PriceFrom C$ 455	Free Cancellation	Rating 7.9 8,382 reviews	Search Delta flights
Fiji Airways	PriceFrom C$ 995	Free Cancellation	Rating 8.1 238 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom C$ 1,115	Free Cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
United Airlines	PriceFrom C$ 1,526	Free Cancellation	Rating 7.4 9,541 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,649	Free Cancellation	Rating 7.1 10,891 reviews	Search Air Canada flights
Air New Zealand	PriceFrom C$ 1,799	Free Cancellation	Rating 8.0 623 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom C$ 1,999	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights

Parramatta

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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 4/5

Mon 11/5

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Airlines

Other Australia destinations

Other flights from Montreal

Complete your trip

Feeling lucky

Fly your favourite airline to Sydney

Cheap flights from Montreal to Sydney from C$ 812

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 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montreal to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Delta flights from Montreal to Sydney

Our best Delta deals on Montreal to Sydney flight tickets

Qatar Airways flights from Montreal to Sydney

Our best Qatar Airways deals on Montreal to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montreal to Sydney that are best for you.

See travel insights to Sydney from

How to get the cheapest flight ticket from Montreal to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Montreal to Sydney flights?

How have Montreal to Sydney flight prices changed over time?

What is the cheapest airline that flies from Montreal to Sydney Kingsford Smith?

Which airlines fly to Sydney?

Which airport is the most popular layover for flights between Montreal and Sydney?

Which layover airport offers the lowest fares from Montreal to Sydney?

Which layover airport has the shortest travel time from Montreal to Sydney?

Which layover airport has the shortest connection time from Montreal to Sydney?

When to book flights from Montreal to Sydney

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

Direct flights

Frequently asked questions about flying 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

Travelling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Popular Cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Montreal

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year