$591 Cheap Flights from Montreal (YUL) to Sydney (SYD)

View $591 flight on Tue, Jul 28, 2026Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Sydney Airport (SYD)

Cheap Flights from Montreal to Sydney (YUL-SYD)

Prices were available within the past 7 days and start at $591 for one-way flights and $964 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 13 - Mon, Jun 1
YUL
Montreal
SYD
Sydney
$964 Roundtrip, found 5 hours ago
$964
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, May 13 from Montreal to Sydney, returning Mon, Jun 1, priced at $964 found 5 hours ago
Qatar Airways
Sun, Feb 22 - Mon, Mar 9
YUL
Montreal
SYD
Sydney
$1,471 Roundtrip, found 5 hours ago
$1,471
Roundtrip
found 5 hours ago
Select Qatar Airways flight, departing Sun, Feb 22 from Montreal to Sydney, returning Mon, Mar 9, priced at $1,471 found 5 hours ago
Air New Zealand
Tue, Nov 18 - Tue, Dec 2
YUL
Montreal
SYD
Sydney
$1,477 Roundtrip, found 5 hours ago
$1,477
Roundtrip
found 5 hours ago
Select Air New Zealand flight, departing Tue, Nov 18 from Montreal to Sydney, returning Tue, Dec 2, priced at $1,477 found 5 hours ago
All Nippon Airways
Wed, Apr 22 - Wed, May 13
YUL
Montreal
SYD
Sydney
$1,493 Roundtrip, found 5 hours ago
$1,493
Roundtrip
found 5 hours ago
Select All Nippon Airways flight, departing Wed, Apr 22 from Montreal to Sydney, returning Wed, May 13, priced at $1,493 found 5 hours ago
United
Mon, Jul 27 - Sun, Aug 16
YUL
Montreal
SYD
Sydney
$1,556 Roundtrip, found 20 hours ago
$1,556
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Jul 27 from Montreal to Sydney, returning Sun, Aug 16, priced at $1,556 found 20 hours ago
Cathay Pacific
Sat, Feb 21 - Tue, Mar 3
YUL
Montreal
SYD
Sydney
$1,574 Roundtrip, found 5 hours ago
$1,574
Roundtrip
found 5 hours ago
Select Cathay Pacific flight, departing Sat, Feb 21 from Montreal to Sydney, returning Tue, Mar 3, priced at $1,574 found 5 hours ago
Air Canada
Mon, Mar 2 - Mon, Mar 9
YUL
Montreal
SYD
Sydney
$1,616 Roundtrip, found 7 hours ago
$1,616
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Mon, Mar 2 from Montreal to Sydney, returning Mon, Mar 9, priced at $1,616 found 7 hours ago
American Airlines
Sun, Nov 30 - Sun, Dec 14
YUL
Montreal
SYD
Sydney
$1,687 Roundtrip, found 5 hours ago
$1,687
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Nov 30 from Montreal to Sydney, returning Sun, Dec 14, priced at $1,687 found 5 hours ago
Swiss International Air Lines
Sat, May 23 - Wed, Jun 10
YUL
Montreal
SYD
Sydney
$1,708 Roundtrip, found 5 hours ago
$1,708
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Sat, May 23 from Montreal to Sydney, returning Wed, Jun 10, priced at $1,708 found 5 hours ago
Qantas Airways
Mon, Jul 27 - Sun, Aug 16
YUL
Montreal
SYD
Sydney
$1,765 Roundtrip, found 20 hours ago
$1,765
Roundtrip
found 20 hours ago
Select Qantas Airways flight, departing Mon, Jul 27 from Montreal to Sydney, returning Sun, Aug 16, priced at $1,765 found 20 hours ago

Find the cheapest month to fly from Montreal (YUL) to Sydney (SYD)

May is typically the cheapest month to fly

From $1,137 - $1,734 per traveler.

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $1,561
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $1,561

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD) cost?
Lock in a cheap one-way flight from $591 or cheap return flight from $964 from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD)?
The cheapest month to fly from YUL to SYD is May, when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD)?
To find the cheapest airline flying from YUL to SYD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD)?
Nonstop flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YUL to SYD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD)?
To avoid potential delays on the Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD) last-minute?
Holding off until just before your departure to book your flight from YUL to SYD generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a YUL to SYD flight and hotel package?
Booking a YUL to SYD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Kingsford Smith Intl. Airport (SYD)?
If you booked your YUL to SYD flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air France, Air New Zealand, American Airlines, British Airways, China Eastern Airlines, Delta, Emirates, Etihad Airways, Japan Airlines, Korean Air, Qantas Airways, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United, WestJet
Roundtrip price
$963
Distance
9955 mi

Book with confidence

Montreal to Sydney Flights

The cheapest times to fly from Montreal to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to Sydney are during the month of May. You can find some of the cheapest flights from Montreal to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Sydney

Sunday is one of the best days to book for cheap flights from Montreal to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $591 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Montreal to Sydney Flights

Explore a world of travel with Expedia

*Available to One Key members.