How long is the flight from Montreal to Sydney?

For as low as C$ 2,157, Qatar Airways can have you in Sydney from Montreal in 29h 05m. The distance from Montreal to Sydney is about 16011 km. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines flying from Montreal to Sydney round-trip?

Currently priced at C$ 298, Porter Airlines will fly you from Montreal to Sydney and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Delta - these airlines can fly you to your destination from C$ 332 and C$ 455, respectively. These flights start at 86% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 mm per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular airlines that fly from Montreal to Sydney?

When booking a flight from Montreal to Sydney, you may want to consider flying on Air Canada, United Airlines or Air New Zealand as they are the most popular for this route.

What airport do you fly into for flights to Sydney from Montreal?

If you book a flight to Sydney from Montreal, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Montreal to Kingsford Smith per day from 8 different airlines.

Can I find deals for flights from Montreal to Sydney that include hotel bookings?

Yes. In addition to deals on Montreal to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montreal to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Sydney.

Can I find deals for business class flights from Montreal to Sydney?

Yes. Cheapflights offers flight deals from Montreal to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 801+ Flights from Montreal to Sydney

Q: How much does it cost to fly round-trip from Montreal to Sydney?

Airfare is typical for this route at the moment. Montreal to Sydney flights typically cost between C$ 2,052 and C$ 2,403 in March. The cheapest round-trip price found within the last 3 days was C$ 2,095 on Multiple Airlines (10 Mar-24 Mar).

Cheapflights Tip: The best prices from Montreal to Sydney Kingsford Smith are usually found in September or April, booked 48 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Montreal to Sydney

Round-trip from	C$ 2,095
One-way from	C$ 801
Popular in	December
Cheapest in	September
Average price	C$ 2,290

Qatar Airways
10/3-24/3
3 total stops
79h 50m total
Montreal to Sydney

Search Deals

3/12
3 total stops
59h 05m total
Montreal to Sydney

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 403 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 78 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Montreal to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Sydney
Explore the most affordable flight options available from Montreal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Fri 14/117:30 a.m.YUL - SYD

2 stops31h 55mMultiple Airlines

Fri 28/115:45 p.m.SYD - YUL

2 stops31h 38mMultiple Airlines

Deal found 29/10C$ 2,125

Sun 7/1212:59 p.m.YUL - SYD

2 stops28h 01mAmerican Airlines

Mon 22/1211:20 a.m.SYD - YUL

2 stops27h 19mAmerican Airlines

Deal found 27/10C$ 2,138

Sun 7/1212:59 p.m.YUL - SYD

2 stops28h 01mAmerican Airlines

Tue 23/1211:20 a.m.SYD - YUL

2 stops27h 19mAmerican Airlines

Deal found 27/10C$ 2,152

Wed 19/112:29 p.m.YUL - SYD

2 stops26h 31mAmerican Airlines

Mon 8/1211:20 a.m.SYD - YUL

2 stops27h 20mAmerican Airlines

Deal found 27/10C$ 2,154

Tue 28/102:13 p.m.YUL - SYD

2 stops27h 52mUnited Airlines

Mon 10/1111:50 a.m.SYD - YUL

2 stops25h 27mUnited Airlines

Deal found 27/10C$ 2,157

Wed 29/102:13 p.m.YUL - SYD

2 stops25h 47mUnited Airlines

Wed 5/1111:20 a.m.SYD - YUL

2 stops24h 28mUnited Airlines

Deal found 28/10C$ 2,159

Mon 3/112:13 p.m.YUL - SYD

2 stops27h 02mUnited Airlines

Mon 24/1111:20 a.m.SYD - YUL

2 stops26h 22mUnited Airlines

Deal found 29/10C$ 2,161

Mon 1/127:00 a.m.YUL - SYD

3 stops33h 15mMultiple Airlines

Fri 5/122:00 p.m.SYD - YUL

3 stops33h 05mMultiple Airlines

Deal found 26/10C$ 2,190

Wed 29/107:00 a.m.YUL - SYD

2 stops34h 35mAir Canada

Wed 5/1111:20 a.m.SYD - YUL

3 stops29h 12mAir Canada

Deal found 28/10C$ 2,191

Best flights from Montreal to Sydney
Discover carefully curated flight deals from Montreal to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 October 2025.

Fri 6/38:50 p.m.YUL - SYD

1 stop42h 00mQatar Airways

Sat 28/33:50 p.m.SYD - YUL

1 stop37h 55mQatar Airways

Deal found 26/10C$ 2,122

Sun 25/19:15 a.m.YUL - SYD

2 stops29h 05mUnited Airlines

Mon 23/211:50 a.m.SYD - YUL

2 stops25h 52mUnited Airlines

Deal found 26/10C$ 2,157

Mon 26/16:00 a.m.YUL - SYD

2 stops32h 20mUnited Airlines

Tue 7/410:20 a.m.SYD - YUL

2 stops23h 58mUnited Airlines

Deal found 27/10C$ 2,157

Tue 20/19:15 a.m.YUL - SYD

2 stops31h 50mUnited Airlines

Mon 23/211:50 a.m.SYD - YUL

2 stops25h 52mUnited Airlines

Deal found 26/10C$ 2,157

Tue 20/16:00 a.m.YUL - SYD

2 stops32h 20mUnited Airlines

Sun 22/22:00 p.m.SYD - YUL

2 stops40h 00mUnited Airlines

Deal found 26/10C$ 2,157

Wed 21/16:00 a.m.YUL - SYD

2 stops32h 20mUnited Airlines

Sun 22/22:00 p.m.SYD - YUL

2 stops40h 00mUnited Airlines

Deal found 26/10C$ 2,157

Sun 22/29:15 a.m.YUL - SYD

2 stops31h 50mUnited Airlines

Sun 8/310:20 a.m.SYD - YUL

2 stops25h 12mUnited Airlines

Deal found 27/10C$ 2,157

Tue 20/19:15 a.m.YUL - SYD

2 stops31h 50mUnited Airlines

Mon 16/211:50 a.m.SYD - YUL

2 stops25h 52mUnited Airlines

Deal found 27/10C$ 2,157

Mon 19/19:15 a.m.YUL - SYD

2 stops29h 05mUnited Airlines

Mon 23/211:50 a.m.SYD - YUL

2 stops25h 52mUnited Airlines

Deal found 26/10C$ 2,157

Wed 28/17:00 a.m.YUL - SYD

2 stops31h 20mUnited Airlines

Wed 8/49:30 a.m.SYD - YUL

2 stops25h 31mUnited Airlines

Deal found 27/10C$ 2,157

Wed 21/16:00 a.m.YUL - SYD

2 stops32h 20mUnited Airlines

Tue 24/211:20 a.m.SYD - YUL

2 stops24h 28mUnited Airlines

Deal found 26/10C$ 2,157

Last-minute flights from Montreal to Sydney
Discover last-minute flight deals from Montreal to Sydney. Data last updated 29 October 2025 and is based on user searches.

Wed 29/102:13 p.m.YUL - SYD

2 stops25h 47mUnited Airlines

Wed 5/1111:20 a.m.SYD - YUL

2 stops24h 28mUnited Airlines

Deal found 28/10C$ 2,159

Wed 29/107:00 a.m.YUL - SYD

2 stops34h 35mAir Canada

Wed 5/1111:20 a.m.SYD - YUL

3 stops29h 12mAir Canada

Deal found 28/10C$ 2,191

Mon 3/112:13 p.m.YUL - SYD

2 stops27h 02mUnited Airlines

Sun 23/1112:10 p.m.SYD - YUL

2 stops23h 38mUnited Airlines

Deal found 27/10C$ 2,157

Mon 3/112:13 p.m.YUL - SYD

2 stops27h 02mUnited Airlines

Mon 24/1111:20 a.m.SYD - YUL

2 stops26h 22mUnited Airlines

Deal found 29/10C$ 2,161

Sat 8/112:13 p.m.YUL - SYD

2 stops48h 47mUnited Airlines

Sat 15/1112:10 p.m.SYD - YUL

2 stops23h 38mUnited Airlines

Deal found 26/10C$ 2,207

Wed 12/112:29 p.m.YUL - SYD

2 stops26h 31mAmerican Airlines

Wed 26/1111:20 a.m.SYD - YUL

2 stops27h 20mAmerican Airlines

Deal found 27/10C$ 2,152

Fri 14/117:30 a.m.YUL - SYD

2 stops31h 55mMultiple Airlines

Fri 28/115:45 p.m.SYD - YUL

2 stops31h 38mMultiple Airlines

Deal found 29/10C$ 2,125

Sun 16/118:50 p.m.YUL - SYD

1 stop42h 00mQatar Airways

Sun 23/113:50 p.m.SYD - YUL

1 stop38h 15mQatar Airways

Deal found 26/10C$ 2,205

Wed 19/112:29 p.m.YUL - SYD

2 stops26h 31mAmerican Airlines

Mon 8/1211:20 a.m.SYD - YUL

2 stops27h 20mAmerican Airlines

Deal found 27/10C$ 2,154

One-way flights from Montreal to Sydney
Search for one-way flight options from Montreal to Sydney. Find affordable one-way fares based on user searches. Data last updated 29 October 2025.

Wed 3/125:10 p.m.YUL - SYD

3 stops59h 05mMultiple Airlines

Deal found 29/10C$ 801

Mon 1/125:55 p.m.YUL - SYD

3 stops58h 20mMultiple Airlines

Deal found 29/10C$ 840

Sat 29/115:55 p.m.YUL - SYD

3 stops58h 20mMultiple Airlines

Deal found 29/10C$ 847

Sun 30/115:55 p.m.YUL - SYD

3 stops58h 20mMultiple Airlines

Deal found 29/10C$ 857

Fri 28/115:55 p.m.YUL - SYD

3 stops58h 20mMultiple Airlines

Deal found 29/10C$ 879

Mon 26/12:30 p.m.YUL - SYD

3 stops47h 40mMultiple Airlines

Deal found 26/10C$ 922

Thu 11/126:45 a.m.YUL - SYD

3 stops45h 00mMultiple Airlines

Deal found 26/10C$ 949

Sun 25/16:45 a.m.YUL - SYD

2 stops32h 40mMultiple Airlines

Deal found 26/10C$ 953

Sat 22/115:55 p.m.YUL - SYD

3 stops52h 45mMultiple Airlines

Deal found 29/10C$ 961

Thu 27/115:55 p.m.YUL - SYD

3 stops52h 45mMultiple Airlines

Deal found 29/10C$ 965

Fly from

Fly to

Route

Depart

Return

Price

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

8:50 p.m.-6:50 a.m.

1 stop42h 00m

Sydney Kingsford Smith

Sat 28/3

3:50 p.m.-2:45 p.m.

1 stop37h 55m

C$ 2,122

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

9:15 a.m.-6:20 a.m.

2 stops29h 05m

Sydney Kingsford Smith

Mon 23/2

11:50 a.m.-9:42 p.m.

2 stops25h 52m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

6:00 a.m.-6:20 a.m.

2 stops32h 20m

Sydney Kingsford Smith

Tue 7/4

10:20 a.m.-8:18 p.m.

2 stops23h 58m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

9:15 a.m.-9:05 a.m.

2 stops31h 50m

Sydney Kingsford Smith

Mon 23/2

11:50 a.m.-9:42 p.m.

2 stops25h 52m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

6:00 a.m.-6:20 a.m.

2 stops32h 20m

Sydney Kingsford Smith

Sun 22/2

2:00 p.m.-2:00 p.m.

2 stops40h 00m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

6:00 a.m.-6:20 a.m.

2 stops32h 20m

Sydney Kingsford Smith

Sun 22/2

2:00 p.m.-2:00 p.m.

2 stops40h 00m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

9:15 a.m.-9:05 a.m.

2 stops31h 50m

Sydney Kingsford Smith

Sun 8/3

10:20 a.m.-7:32 p.m.

2 stops25h 12m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

9:15 a.m.-9:05 a.m.

2 stops31h 50m

Sydney Kingsford Smith

Mon 16/2

11:50 a.m.-9:42 p.m.

2 stops25h 52m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

9:15 a.m.-6:20 a.m.

2 stops29h 05m

Sydney Kingsford Smith

Mon 23/2

11:50 a.m.-9:42 p.m.

2 stops25h 52m

C$ 2,157

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

7:00 a.m.-6:20 a.m.

2 stops31h 20m

Sydney Kingsford Smith

Wed 8/4

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

2 stops25h 31m

C$ 2,157

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 23 results

Best time to book a flight from Montreal to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

The best time to book flights from Montreal to Sydney is 48 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.

What is the cheapest month to book a flight from Montreal to Sydney?

Currently, July is the cheapest month in which you can book a flight from Montreal to Sydney (average of C$ 385). Flying from Montreal to Sydney in June is currently the most expensive (average of C$ 1,794). 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 SYD?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from Montreal to Sydney by exploring options for tickets in the evening.

What is the cheapest day to fly from Montreal to Sydney?

Travelers seeking maximum savings on their Montreal to Sydney flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Montreal to Sydney?

What’s the top layover airport for flights from Montreal to Sydney?

Vancouver (YVR) – chosen by Cheapflights users on 85% of one-stop itineraries from Montreal to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Sydney?

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 346.

What’s the fastest layover option from Montreal to Sydney?

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 50m.

Which airport typically offers the quickest layover for flights from Montreal to Sydney?

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 52m.

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Air New Zealand,Qantas Airways, andUnited Airlines from Montreal to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very good

520 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air New Zealand

8.0

Very good

520 reviews

Air New Zealand

8.0

Very good

520 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Qantas Airways

7.5

Good

925 reviews

Air New Zealand

8.0

Very good

520 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

United Airlines

7.4

Good

8,998 reviews

Air New Zealand

8.0

Very good

520 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

WestJet

7.2

Good

3,149 reviews

Air New Zealand

8.0

Very good

520 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air Canada

7.1

Good

10,376 reviews

Air New Zealand

8.0

Very good

520 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

What airport do you fly into for flights to Sydney from Montreal?
If you book a flight to Sydney from Montreal, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Montreal to Kingsford Smith per day from 8 different airlines.
How long is the flight from Montreal to Sydney?
For as low as C$ 2,157, Qatar Airways can have you in Sydney from Montreal in 29h 05m. The distance from Montreal to Sydney is about 16011 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Montreal to Sydney round-trip?
Currently priced at C$ 298, Porter Airlines will fly you from Montreal to Sydney and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Delta - these airlines can fly you to your destination from C$ 332 and C$ 455, respectively. These flights start at 86% lower than the current average price 3 months from now.
Can I find deals for flights from Montreal to Sydney that include hotel bookings?
Yes. In addition to deals on Montreal to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Sydney.
Can I find deals for business class flights from Montreal to Sydney?
Yes. Cheapflights offers flight deals from Montreal to Sydney 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 Sydney?
Currently, July is the cheapest month in which you can book a flight from Montreal to Sydney (average of C$ 385). Flying from Montreal to Sydney in June is currently the most expensive (average of C$ 1,794). 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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Penrith

Parramatta

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Other flights to Sydney

Top 8 airlines flying from Montreal to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 298	AverageC$ 385	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
WestJet	CheapestC$ 332	AverageC$ 564	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 455	AverageC$ 1,151	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Qantas Airways	CheapestC$ 1,115	AverageC$ 2,146	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
United Airlines	CheapestC$ 1,690	AverageC$ 2,237	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air New Zealand	CheapestC$ 1,746	AverageC$ 1,849	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Air Canada	CheapestC$ 1,764	AverageC$ 2,324	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Qatar Airways	CheapestC$ 2,047	AverageC$ 2,331	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Montreal to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Montreal.

Can Cheapflights find flights from Montreal to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Montreal? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Montreal today and book when prices fit your budget.

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Cheap flights from Montreal to Sydney from C$ 801

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Montreal to Sydney Kingsford Smith are usually found in September or April, booked 48 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Montreal to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Montreal to Sydney

Cheapest flights from Montreal to SydneyExplore the most affordable flight options available from Montreal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Explore the most affordable flight options available from Montreal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Montreal to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Montreal with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montreal to Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Sydney. Price data was last updated on 24 October 2025.

What is the cheapest month to book a flight from Montreal to Sydney?

What is the cheapest time of day to fly from YMQ to SYD?

Find hourly flight availability from Montreal to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

What is the cheapest day to fly from Montreal to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Sydney. Price data was last updated on 16 December 2024.

How much does it cost to fly round-trip from Montreal to Sydney?

What’s the top layover airport for flights from Montreal to Sydney?

Share of one-stop round-trip flights from Montreal to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Montreal to Sydney?

Average round-trip fare for 1-stop flights from Montreal to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Montreal to Sydney?

Shortest average travel time for 1-stop one-way flights from Montreal to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Montreal to Sydney?

Average layover duration for 1-stop one-way flights from Montreal to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Air New Zealand,Qantas Airways, andUnited Airlines from Montreal to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Montreal?

How long is the flight from Montreal to Sydney?

What are the cheapest airlines flying from Montreal to Sydney round-trip?

Can I find deals for flights from Montreal to Sydney that include hotel bookings?

How can I find direct flights from Montreal to Sydney?

Can I find deals for business class flights from Montreal to Sydney?

What is the cheapest month to book a flight from Montreal to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

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Fly from Montreal to Sydney on these airlines

Choose from the following airlines for your flight from Montreal to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 29 October 2025.

Top 8 airlines flying from Montreal to Sydney

Fly with Cheapflights

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Cheapest flights from Montreal to Sydney
Explore the most affordable flight options available from Montreal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.