Cheap flights from $849 for Montreal to Sydney

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Flight deals from Montreal to Sydney Airport

Looking for a cheap last-minute deal or the best return flight from Montreal to Sydney Airport? If you want to travel next month, return fares start from $1,735. Find the lowest prices on one-way and return tickets right here.

Sydney.$849 per passenger.Departing Thu, 23 Apr.One-way flight with Flair Airlines.Outbound indirect flight with Flair Airlines, departs from Montreal Pierre Elliott Trudeau on Thu, 23 Apr, arriving in Sydney.Price includes taxes and charges.From $849, select.

Sydney.$855 per passenger.Departing Mon, 31 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 31 Aug, arriving in Sydney.Price includes taxes and charges.From $855, select.

Sydney.$876 per passenger.Departing Mon, 11 Jan.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Mon, 11 Jan, arriving in Sydney.Price includes taxes and charges.From $876, select.

Sydney.$876 per passenger.Departing Sat, 19 Sep.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Sat, 19 Sep, arriving in Sydney.Price includes taxes and charges.From $876, select.

Sydney.$878 per passenger.Departing Tue, 28 Jul.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Tue, 28 Jul, arriving in Sydney.Price includes taxes and charges.From $878, select.

Sydney.$911 per passenger.Departing Tue, 9 Jun.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Tue, 9 Jun, arriving in Sydney.Price includes taxes and charges.From $911, select.

Sydney.$912 per passenger.Departing Sat, 24 Oct.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Sat, 24 Oct, arriving in Sydney.Price includes taxes and charges.From $912, select.

Sydney.$929 per passenger.Departing Tue, 5 May.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Tue, 5 May, arriving in Sydney.Price includes taxes and charges.From $929, select.

Sydney.$1,180 per passenger.Departing Tue, 3 Nov.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Tue, 3 Nov, arriving in Sydney.Price includes taxes and charges.From $1,180, select.

Sydney.$1,242 per passenger.Departing Tue, 31 Mar.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Tue, 31 Mar, arriving in Sydney.Price includes taxes and charges.From $1,242, select.

Sydney.$1,293 per passenger.Departing Fri, 12 Mar.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Montreal Pierre Elliott Trudeau on Fri, 12 Mar, arriving in Sydney.Price includes taxes and charges.From $1,293, select.

Sydney.$1,355 per passenger.Departing Tue, 15 Dec.One-way flight with United.Outbound indirect flight with United, departs from Montreal Pierre Elliott Trudeau on Tue, 15 Dec, arriving in Sydney.Price includes taxes and charges.From $1,355, select.

Find the cheapest month to fly from Montreal to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to Sydney flights are currently cheapest in April.

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Montreal to Sydney: Alternative routes

Compare routes from Montreal to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Sydney

9km from central Sydney

ClosestCheapest

from $849

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Wollongong

87km from central Sydney

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Montreal to Sydney: Flight information

The things to know before you go.

Cheapest flight found	$849
Cheapest month to fly	April

Finding cheap flights from Montreal to Sydney: Frequently asked questions

How much are return flights from Montreal to Sydney?

The best price we found for a return flight from Montreal to Sydney is $1,593. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Montreal to Sydney?

Currently, there are no airlines that fly direct from Montreal to Sydney. But we found flights with one stop from $1,593.

How many flights are there a week from Montreal to Sydney?

As of March 2026, there are no flights flying from Montreal to Sydney.

When is the cheapest time to fly from Montreal to Sydney?

The cheapest month to fly from Montreal to Sydney is usually May.

Which upcoming date is cheapest to fly from Montreal to Sydney Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to Sydney Airport on Wednesday, 6 May 2026.

Can I get a direct flight from Montreal to Sydney Airport?

No airlines currently offer direct flights between Montreal and Sydney Airport. Most routes have one or more stops.

How can I find the best flight deal to Sydney?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Sydney?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Montreal to Sydney with?

The cheapest airline that flies to Sydney is Porter Airlines .

Flying from Montreal to Sydney Kingsford Smith International Airport (SYD): What you need to know

The timezone in Sydney is UTC+11, which is 16 hours ahead of Montreal. Sydney Kingsford Smith International Airport is located in Sydney.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your flight from Montreal to SYD.
Popular months like July or other peak periods mean longer waiting times and potential delays. Get a head start by getting to the airport even earlier. Plan for at least four hours ahead of international flights and two hours before a domestic departure.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

The journey from central Montreal to YUL takes about 45 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic.
Planning to catch an early flight from Montreal to Sydney Kingsford Smith International Airport? Avoid the mad dash to the terminal (and sneak in some bonus sleep) by choosing one of these hotels close to Montreal-Trudeau International Airport:
When it comes to the on-time performance of Montreal-Trudeau International Airport, 67% of flights meet their scheduled arrival time.
You'll find YUL at 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

You can arrive at YHU from central Montreal in about 25 minutes by car (depending on traffic conditions). The ride by public transport will take roughly 1 hour to travel the 23 kilometres or so.
Get a head start on your holiday with an additional night away from home. Before catching your Montreal to SYD flight, stay in one of these hotels near Montreal Metropolitan Airport:

About Sydney Kingsford Smith International Airport (SYD)

The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Montreal to Sydney Kingsford Smith International Airport. Check in to one of these accommodation options near SYD instead:
Lock in the best possible rate by reserving your vehicle around two weeks ahead of your Montreal to Sydney Kingsford Smith International Airport flight.

Getting from Sydney Kingsford Smith International Airport (SYD) to central Sydney

Sydney Kingsford Smith International Airport to the centre of Sydney is around 8 kilometres. If you're renting a car or getting a taxi, do some research to make your trip as easy as possible. Journey times vary depending on traffic and the time of day.
It takes around 15 minutes to get there using public transport.

How to find the cheapest flights from Montreal to Sydney Kingsford Smith International Airport (SYD)

Currently, $849 is the best price we've found for a one-way ticket from Montreal to Sydney Kingsford Smith International Airport. The cheapest price for a return flight is $1,593. Remember fares may change due to availability at the time of booking.
Booking in advance is often the key to finding a cheap flight from Montreal to SYD. Airlines adjust prices based on demand, so the closer your departure date, the more it could cost you.
Affordable Montreal to Sydney Kingsford Smith International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' tool to compare fares across the month and then pick the cheapest day.
Finding a cheap plane ticket from Montreal to SYD couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a better deal.
Tailor your travel plans using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Montreal to Sydney Kingsford Smith International Airport.

The best time to fly from Montreal to Sydney Kingsford Smith International Airport (SYD)

December is the quietest month for flights from Montreal to Sydney Kingsford Smith International Airport (SYD), while July is the most popular. Figure out the best time to go to Sydney based on whether you want a lively atmosphere or a more laid-back vibe.
The warmest month in Sydney is January, with temperatures ranging between 17ºC (63ºF) and 32ºC (90ºF). Book your Montreal to SYD plane ticket then if that's your ideal forecast.
Look for cheap tickets from Montreal to Sydney Kingsford Smith International Airport in July if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF).

More about Sydney

When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Sydney right here. Explore these options as soon as you've locked in your flight from Montreal to Sydney Kingsford Smith International Airport:
Your visit to Sydney wouldn't be complete without a bit of sightseeing. Big-name attractions worth exploring include Sydney Harbour Bridge, Sydney Harbour and Sydney Opera House.

Explore more of Australia

You've seen Sydney, now it's time to explore other corners of Australia. Journey around 241 kilometres southwest to Canberra to tick off its leading sights. From National Gallery of Australia to National Portrait Gallery and Museum of Australian Democracy, there's plenty to keep you busy.
Newcastle is another must-experience destination in Australia and is around 129 kilometres northeast of Sydney. No trip is complete without experiencing Merewether Beach, Nobbys Beach and Newcastle Beach.