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

Currently priced at C$ 2,041, Qatar Airways will fly you from Montreal to Sydney and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air New Zealand - these airlines can fly you to your destination from C$ 2,160 and C$ 2,185, respectively. These flights start at 9% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Montreal to Sydney one-way?

The cheapest airline one-way is Air New Zealand, with whom users have recently found tickets for as low as C$ 1,214. However, be on the lookout for offers from Qatar Airways and Air Canada, as they are both options that can get you from Montreal to Sydney for a low price.

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 American Airlines, Air Canada or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Montreal to Sydney?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 6% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Montreal to Sydney at least 22 days early can save you up to 211% on average compared to booking a flight this week. If booking 22 days before your flight isn’t an option for you, users have found flights from Montreal to Sydney for as little as C$ 1,887 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,887 for flights departing within the next 3 days.

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

The best pricing can be found in the month of April. Prices to Sydney from Montreal average C$ 2,265. You can even find prices in April for less than C$ 2,265, as users have found deals to Sydney from as low as C$ 992. The month of December appears to be one of the more expensive times to travel to Sydney from Montreal. Flying in the targeted month can save you up to 32%.

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 9 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$ 516+ Flights from Montreal to Sydney - Compare & Save Big

Cheapflights Tip: The best prices from Montreal to Sydney Kingsford Smith are usually found in April or March, booked 21 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$ 1,980
One-way from	C$ 516
Popular in	December
Cheapest in	April
Average price	C$ 2,030

1/7-22/7
4 total stops
64h 18m total
Montreal to Sydney

Search Deals

11/6
3 total stops
41h 40m total
Montreal to Sydney

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 429 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 94 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Montreal to Sydney

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 April 2025.

Tue 1/76:45 a.m.YUL - SYD

2 stops34h 45mMultiple Airlines

Tue 22/79:10 a.m.SYD - YUL

2 stops29h 33mMultiple Airlines

Deal found 28/4C$ 1,980

Wed 30/47:47 a.m.YUL - SYD

2 stops33h 08mWestJet Encore

Mon 12/59:10 a.m.SYD - YUL

2 stops27h 34mWestJet Encore

Deal found 28/4C$ 2,027

Mon 20/109:35 p.m.YUL - SYD

1 stop29h 35mQatar Airways

Mon 27/109:40 p.m.SYD - YUL

1 stop32h 25mQatar Airways

Deal found 28/4C$ 2,041

Sat 1/116:15 p.m.YUL - SYD

2 stops47h 30mAir New Zealand

Tue 11/1111:45 a.m.SYD - YUL

2 stops44h 56mAir New Zealand

Deal found 28/4C$ 2,093

Sun 3/86:30 p.m.YUL - SYD

1 stop22h 25mUnited Airlines

Tue 19/810:20 a.m.SYD - YUL

1 stop35h 56mUnited Airlines

Deal found 28/4C$ 2,160

Wed 12/114:50 p.m.YUL - SYD

2 stops36h 25mSWISS

Wed 26/113:15 p.m.SYD - YUL

2 stops40h 00mSWISS

Deal found 28/4C$ 2,248

Fri 14/117:05 p.m.YUL - SYD

2 stops44h 20mAir France

Mon 24/113:55 p.m.SYD - YUL

2 stops39h 35mAir France

Deal found 28/4C$ 2,256

Mon 5/56:50 p.m.YUL - SYD

3 stops45h 40mKLM

Sun 25/511:45 a.m.SYD - YUL

3 stops43h 10mKLM

Deal found 28/4C$ 2,275

Thu 7/87:00 a.m.YUL - SYD

2 stops33h 35mDelta

Fri 15/89:25 a.m.SYD - YUL

2 stops27h 44mDelta

Deal found 28/4C$ 2,386

Wed 12/117:30 a.m.YUL - SYD

1 stop34h 05mAir Canada

Sun 23/1111:20 a.m.SYD - YUL

2 stops35h 50mAir Canada

Deal found 28/4C$ 2,407

Fri 18/712:30 p.m.YUL - SYD

2 stops52h 35mQantas Airways

Sun 3/89:30 p.m.SYD - YUL

2 stops41h 13mQantas Airways

Deal found 28/4C$ 2,694

Wed 12/117:55 p.m.YUL - SYD

2 stops31h 50mTurkish Airlines

Thu 27/119:40 p.m.SYD - YUL

3 stops40h 08mTurkish Airlines

Deal found 28/4C$ 2,891

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 April 2025.

Tue 1/76:45 a.m.YUL - SYD

2 stops34h 45mMultiple Airlines

Tue 22/79:10 a.m.SYD - YUL

2 stops29h 33mMultiple Airlines

Deal found 28/4C$ 1,980

Mon 20/109:35 p.m.YUL - SYD

1 stop29h 35mQatar Airways

Mon 27/109:40 p.m.SYD - YUL

1 stop32h 25mQatar Airways

Deal found 28/4C$ 2,041

Sun 3/86:30 p.m.YUL - SYD

1 stop22h 25mUnited Airlines

Tue 19/810:20 a.m.SYD - YUL

1 stop35h 56mUnited Airlines

Deal found 28/4C$ 2,160

Thu 7/84:45 p.m.YUL - SYD

2 stops27h 50mAir New Zealand

Wed 20/811:50 a.m.SYD - YUL

2 stops33h 09mAir New Zealand

Deal found 28/4C$ 2,185

Thu 7/87:00 a.m.YUL - SYD

2 stops33h 35mDelta

Fri 15/89:25 a.m.SYD - YUL

2 stops27h 44mDelta

Deal found 28/4C$ 2,386

Sat 10/56:50 p.m.YUL - SYD

3 stops45h 40mKLM

Wed 4/62:50 p.m.SYD - YUL

2 stops40h 05mKLM

Deal found 27/4C$ 2,475

Fri 18/712:30 p.m.YUL - SYD

2 stops52h 35mQantas Airways

Sun 3/89:30 p.m.SYD - YUL

2 stops41h 13mQantas Airways

Deal found 28/4C$ 2,694

Wed 6/87:45 p.m.YUL - SYD

2 stops33h 15mTurkish Airlines

Wed 20/88:55 p.m.SYD - YUL

3 stops41h 46mTurkish Airlines

Deal found 28/4C$ 3,316

Sun 6/712:45 p.m.YUL - SYD

3 stops54h 50mLATAM Airlines

Mon 28/711:50 a.m.SYD - YUL

3 stops37h 51mLATAM Airlines

Deal found 28/4C$ 3,661

Fri 18/79:15 a.m.YUL - SYD

3 stops56h 05mAir Canada

Sun 3/89:20 a.m.SYD - YUL

2 stops27h 47mAir Canada

Deal found 28/4C$ 3,855

Fri 20/66:00 a.m.YUL - SYD

2 stops34h 20mKorean Air

Mon 7/77:55 a.m.SYD - YUL

2 stops37h 13mKorean Air

Deal found 28/4C$ 8,370

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

Mon 28/44:50 p.m.YUL - SYD

2 stops47h 45mDelta

Mon 12/59:25 a.m.SYD - YUL

2 stops40h 35mDelta

Deal found 28/4C$ 8,261

Wed 30/47:47 a.m.YUL - SYD

2 stops33h 08mWestJet Encore

Mon 12/59:10 a.m.SYD - YUL

2 stops27h 34mWestJet Encore

Deal found 28/4C$ 2,027

Fri 2/58:15 a.m.YUL - SYD

3 stops33h 05mAir Canada

Sat 31/59:20 a.m.SYD - YUL

2 stops48h 14mAir Canada

Deal found 27/4C$ 2,968

Mon 5/52:20 p.m.YUL - SYD

2 stops26h 40mUnited Airlines

Mon 12/59:30 a.m.SYD - YUL

2 stops25h 59mUnited Airlines

Deal found 28/4C$ 2,160

Mon 5/56:50 p.m.YUL - SYD

3 stops45h 40mKLM

Sun 25/511:45 a.m.SYD - YUL

3 stops43h 10mKLM

Deal found 28/4C$ 2,275

Wed 7/512:30 p.m.YUL - SYD

2 stops28h 35mMultiple Airlines

Wed 21/58:30 p.m.SYD - YUL

1 stop24h 29mMultiple Airlines

Deal found 28/4C$ 2,386

Thu 8/59:35 p.m.YUL - SYD

1 stop29h 35mQatar Airways

Thu 12/62:50 p.m.SYD - YUL

1 stop37h 55mQatar Airways

Deal found 28/4C$ 2,463

Mon 12/54:45 p.m.YUL - SYD

3 stops35h 20mMultiple Airlines

Thu 15/56:10 a.m.SYD - YUL

3 stops38h 35mMultiple Airlines

Deal found 28/4C$ 2,299

Sun 25/52:50 p.m.YUL - SYD

3 stops52h 45mLATAM Airlines

Mon 30/611:50 a.m.SYD - YUL

3 stops57h 40mLATAM Airlines

Deal found 28/4C$ 3,974

Wed 28/56:30 p.m.YUL - SYD

1 stop22h 25mUnited Airlines

Wed 4/69:30 a.m.SYD - YUL

2 stops24h 15mUnited Airlines

Deal found 28/4C$ 2,160

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 April 2025.

Wed 11/67:00 a.m.YUL - SYD

3 stops41h 40mMultiple Airlines

Deal found 28/4C$ 516

Thu 28/88:30 a.m.YUL - SYD

2 stops34h 15mAir New Zealand

Deal found 28/4C$ 1,214

Mon 5/59:35 p.m.YUL - SYD

1 stop29h 35mQatar Airways

Deal found 28/4C$ 1,226

Wed 4/66:00 p.m.YUL - SYD

1 stop23h 20mAir Canada

Deal found 28/4C$ 1,286

Thu 28/86:50 p.m.YUL - SYD

3 stops45h 40mKLM

Deal found 28/4C$ 1,527

Tue 24/68:05 a.m.YUL - SYD

1 stop32h 55mUnited Airlines

Deal found 28/4C$ 1,544

Wed 9/77:45 p.m.YUL - SYD

2 stops33h 15mTurkish Airlines

Deal found 27/4C$ 1,692

Fri 11/77:00 a.m.YUL - SYD

2 stops57h 35mQantas Airways

Deal found 27/4C$ 1,826

Thu 10/78:10 a.m.YUL - SYD

2 stops60h 35mChina Airlines

Deal found 27/4C$ 1,856

Fri 11/77:29 a.m.YUL - SYD

3 stops34h 51mAmerican Airlines

Deal found 27/4C$ 2,277

Cheapflights Fare Finder

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

Tue 1/7

6:45 a.m.-7:30 a.m.

2 stops34h 45m

Sydney Kingsford Smith

Tue 22/7

9:10 a.m.-12:43 a.m.

2 stops29h 33m

C$ 1,980

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

9:35 p.m.-6:10 p.m.

1 stop29h 35m

Sydney Kingsford Smith

Mon 27/10

9:40 p.m.-3:05 p.m.

1 stop32h 25m

C$ 2,041

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 3/8

6:30 p.m.-6:55 a.m.

1 stop22h 25m

Sydney Kingsford Smith

Tue 19/8

10:20 a.m.-8:16 a.m.

1 stop35h 56m

C$ 2,160

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 7/8

4:45 p.m.-10:35 a.m.

2 stops27h 50m

Sydney Kingsford Smith

Wed 20/8

11:50 a.m.-6:59 a.m.

2 stops33h 09m

C$ 2,185

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 7/8

7:00 a.m.-6:35 a.m.

2 stops33h 35m

Sydney Kingsford Smith

Fri 15/8

9:25 a.m.-11:09 p.m.

2 stops27h 44m

C$ 2,386

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

6:50 p.m.-6:30 a.m.

3 stops45h 40m

Sydney Kingsford Smith

Wed 4/6

2:50 p.m.-4:55 p.m.

2 stops40h 05m

C$ 2,475

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 18/7

12:30 p.m.-7:05 a.m.

2 stops52h 35m

Sydney Kingsford Smith

Sun 3/8

9:30 p.m.-12:43 a.m.

2 stops41h 13m

C$ 2,694

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

7:45 p.m.-7:00 p.m.

2 stops33h 15m

Sydney Kingsford Smith

Wed 20/8

8:55 p.m.-12:41 a.m.

3 stops41h 46m

C$ 3,316

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

12:45 p.m.-9:35 a.m.

3 stops54h 50m

Sydney Kingsford Smith

Mon 28/7

11:50 a.m.-11:41 a.m.

3 stops37h 51m

C$ 3,661

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 18/7

9:15 a.m.-7:20 a.m.

3 stops56h 05m

Sydney Kingsford Smith

Sun 3/8

9:20 a.m.-11:07 p.m.

2 stops27h 47m

C$ 3,855

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 21 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 21 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, February is the cheapest month in which you can book a flight from Montreal to Sydney (average of C$ 1,326). Flying from Montreal to Sydney in December is currently the most expensive (average of C$ 1,881). 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 13% 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 Friday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sydney by month

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.

Temperature in Sydney by month

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).

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Korean Air, China Airlines and Delta 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.

Korean Air

8.4

Very good

1,063 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2024

SGN - ICN

food needs to change, not tasty at all. I remember they used to be good.

Korean Air

8.4

Very good

1,063 reviews

Korean Air

8.4

Very good

1,063 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2024

SGN - ICN

food needs to change, not tasty at all. I remember they used to be good.

China Airlines

8.3

Very good

729 reviews

Korean Air

8.4

Very good

1,063 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2024

SGN - ICN

food needs to change, not tasty at all. I remember they used to be good.

Delta

8.0

Very good

7,929 reviews

Korean Air

8.4

Very good

1,063 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2024

SGN - ICN

food needs to change, not tasty at all. I remember they used to be good.

Air New Zealand

8.0

Very good

471 reviews

Korean Air

8.4

Very good

1,063 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2024

SGN - ICN

food needs to change, not tasty at all. I remember they used to be good.

KLM

7.8

Good

1,333 reviews

Korean Air

8.4

Very good

1,063 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2024

SGN - ICN

food needs to change, not tasty at all. I remember they used to be good.

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 9 different airlines.
What are the cheapest airlines flying from Montreal to Sydney round-trip?
Currently priced at C$ 2,041, Qatar Airways will fly you from Montreal to Sydney and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air New Zealand - these airlines can fly you to your destination from C$ 2,160 and C$ 2,185, respectively. These flights start at 9% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Montreal to Sydney one-way?
The cheapest airline one-way is Air New Zealand, with whom users have recently found tickets for as low as C$ 1,214. However, be on the lookout for offers from Qatar Airways and Air Canada, as they are both options that can get you from Montreal to Sydney for a low price.
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, February is the cheapest month in which you can book a flight from Montreal to Sydney (average of C$ 1,326). Flying from Montreal to Sydney in December is currently the most expensive (average of C$ 1,881). 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

Parramatta

Penrith

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Montreal to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 297	AverageC$ 344	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
WestJet	CheapestC$ 318	AverageC$ 566	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 452	AverageC$ 1,669	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Qantas Airways	CheapestC$ 1,228	AverageC$ 2,226	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
United Airlines	CheapestC$ 1,249	AverageC$ 2,165	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air New Zealand	CheapestC$ 1,737	AverageC$ 1,844	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Air Canada	CheapestC$ 1,779	AverageC$ 2,280	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
SWISS	CheapestC$ 1,784	AverageC$ 2,290	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Qatar Airways	CheapestC$ 2,314	AverageC$ 2,438	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$ 516

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 11/6. 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 April or March, booked 21 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 April 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 April 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 25 April 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 April 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 29 April 2025.

Get a feel of what it's like to fly with Korean Air, China Airlines and Delta 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?

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

What are the cheapest airlines to fly from Montreal to Sydney one-way?

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?

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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 April 2025.

Top 9 airlines flying from Montreal to Sydney

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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 April 2025.