Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 781
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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
9 Jan — 16 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Sydney Kingsford Smith are usually found in May or April, booked 51 days in advance, depart on a Sunday or Thursday and return on a Thursday
Cheap flight deals from Pierre Elliott Trudeau Intl to Sydney
Enter your travel dates to find the best prices.
Cheapest flights from Pierre Elliott Trudeau Intl to Sydney
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 December 2025.
Tue 9/127:30 a.m.YUL - SYD
2 stops33h 30mAmerican Airlines
Tue 16/1211:20 a.m.SYD - YUL
2 stops27h 20mAmerican Airlines
Deal found 8/12C$ 2,125
Mon 8/127:30 a.m.YUL - SYD
2 stops33h 30mAmerican Airlines
Mon 15/1211:20 a.m.SYD - YUL
2 stops27h 20mAmerican Airlines
Deal found 8/12C$ 2,168
Tue 9/128:50 p.m.YUL - SYD
1 stop42h 00mQatar Airways
Tue 16/123:50 p.m.SYD - YUL
1 stop38h 15mQatar Airways
Deal found 8/12C$ 2,568
Wed 10/126:00 a.m.YUL - SYD
2 stops34h 30mDelta
Wed 17/1210:40 a.m.SYD - YUL
2 stops29h 19mDelta
Deal found 9/12C$ 2,570
Tue 9/127:30 a.m.YUL - SYD
1 stop31h 25mAir Canada
Tue 16/128:30 a.m.SYD - YUL
2 stops26h 56mAir Canada
Deal found 8/12C$ 2,588
Mon 8/127:30 a.m.YUL - SYD
1 stop34h 05mAir Canada
Mon 15/128:30 a.m.SYD - YUL
2 stops26h 55mAir Canada
Deal found 8/12C$ 2,628
Wed 31/122:29 p.m.YUL - SYD
2 stops26h 31mAmerican Airlines
Tue 20/111:20 a.m.SYD - YUL
2 stops27h 24mAmerican Airlines
Deal found 8/12C$ 2,672
Wed 31/126:25 p.m.YUL - SYD
1 stop44h 30mAir Canada
Tue 20/111:20 a.m.SYD - YUL
2 stops23h 54mAir Canada
Deal found 8/12C$ 2,693
Wed 10/123:00 p.m.YUL - SYD
2 stops26h 15mUnited Airlines
Wed 17/1211:50 a.m.SYD - YUL
2 stops25h 52mUnited Airlines
Deal found 9/12C$ 2,701
Best flights from Pierre Elliott Trudeau Intl to Sydney
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.
Sun 8/27:00 a.m.YUL - SYD
2 stops31h 50mDelta
Wed 18/39:40 a.m.SYD - YUL
2 stops28h 31mDelta
Deal found 10/12C$ 1,331
Mon 2/21:02 p.m.YUL - SYD
2 stops27h 28mDelta
Mon 2/310:40 a.m.SYD - YUL
2 stops29h 19mDelta
Deal found 10/12C$ 1,331
Sun 22/27:00 a.m.YUL - SYD
2 stops31h 50mDelta
Sun 8/310:40 a.m.SYD - YUL
2 stops39h 57mDelta
Deal found 10/12C$ 1,331
Tue 24/27:00 a.m.YUL - SYD
2 stops31h 50mDelta
Tue 17/39:40 a.m.SYD - YUL
2 stops29h 00mDelta
Deal found 9/12C$ 1,333
Mon 2/36:00 a.m.YUL - SYD
2 stops34h 30mDelta
Mon 16/31:15 p.m.SYD - YUL
2 stops37h 17mDelta
Deal found 9/12C$ 1,333
Sun 8/36:00 a.m.YUL - SYD
2 stops34h 25mDelta
Sun 29/310:25 a.m.SYD - YUL
2 stops27h 46mDelta
Deal found 8/12C$ 1,336
Sun 8/36:45 p.m.YUL - SYD
2 stops45h 40mDelta
Wed 25/39:40 a.m.SYD - YUL
2 stops29h 19mDelta
Deal found 8/12C$ 1,336
Tue 10/37:00 a.m.YUL - SYD
2 stops32h 05mDelta
Mon 30/310:25 a.m.SYD - YUL
2 stops40h 07mDelta
Deal found 8/12C$ 1,336
Wed 18/37:00 a.m.YUL - SYD
2 stops33h 25mDelta
Tue 21/49:25 a.m.SYD - YUL
2 stops28h 33mDelta
Deal found 8/12C$ 1,336
Wed 28/16:00 a.m.YUL - SYD
2 stops34h 30mDelta
Wed 8/49:25 a.m.SYD - YUL
2 stops28h 15mDelta
Deal found 8/12C$ 1,336
Last-minute flights from Pierre Elliott Trudeau Intl to Sydney
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Sydney. Data last updated 10 December 2025 and is based on user searches.
Sat 17/12:45 p.m.YUL - SYD
2 stops48h 05mDelta
Sun 8/210:40 a.m.SYD - YUL
2 stops28h 46mDelta
Deal found 8/12C$ 1,335
Sat 17/11:02 p.m.YUL - SYD
2 stops49h 48mDelta
Sat 7/22:15 p.m.SYD - YUL
2 stops37h 57mDelta
Deal found 8/12C$ 1,383
Tue 20/17:00 a.m.YUL - SYD
2 stops31h 50mDelta
Tue 24/210:40 a.m.SYD - YUL
2 stops29h 19mDelta
Deal found 10/12C$ 1,331
Wed 21/16:02 p.m.YUL - SYD
2 stops44h 48mDelta
Sat 7/210:40 a.m.SYD - YUL
2 stops29h 10mDelta
Deal found 8/12C$ 1,433
Wed 21/19:15 a.m.YUL - SYD
2 stops29h 05mUnited Airlines
Wed 28/111:50 a.m.SYD - YUL
2 stops25h 27mUnited Airlines
Deal found 9/12C$ 1,479
Wed 21/12:13 p.m.YUL - SYD
2 stops27h 02mUnited Airlines
Wed 4/22:00 p.m.SYD - YUL
2 stops23h 17mUnited Airlines
Deal found 8/12C$ 1,480
Sat 24/12:40 p.m.YUL - SYD
2 stops48h 10mDelta
Fri 13/210:40 a.m.SYD - YUL
2 stops28h 30mDelta
Deal found 10/12C$ 1,380
Sat 31/18:10 p.m.YUL - SYD
2 stops45h 25mAir Canada
Wed 4/311:20 a.m.SYD - YUL
2 stops35h 50mAir Canada
Deal found 9/12C$ 1,457
One-way flights from Pierre Elliott Trudeau Intl to Sydney
Search for one-way flight options from Pierre Elliott Trudeau Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 10 December 2025.
Tue 17/34:00 p.m.YUL - SYD
3 stops51h 45mMultiple Airlines
Deal found 7/12C$ 781
Sun 18/16:00 a.m.YUL - SYD
2 stops32h 50mDelta
Deal found 9/12C$ 816
Wed 25/212:52 p.m.YUL - SYD
2 stops27h 38mDelta
Deal found 7/12C$ 818
Fri 13/34:45 p.m.YUL - SYD
2 stops70h 20mDelta
Deal found 7/12C$ 825
Wed 21/16:02 p.m.YUL - SYD
2 stops44h 48mDelta
Deal found 10/12C$ 890
Mon 16/36:45 a.m.YUL - SYD
3 stops56h 25mMultiple Airlines
Deal found 7/12C$ 933
Wed 4/26:45 a.m.YUL - SYD
3 stops56h 40mMultiple Airlines
Deal found 7/12C$ 993
Sun 1/21:40 p.m.YUL - SYD
3 stops49h 45mMultiple Airlines
Deal found 7/12C$ 998
Mon 16/27:30 p.m.YUL - SYD
3 stops43h 55mMultiple Airlines
Deal found 7/12C$ 1,001
Wed 18/36:45 a.m.YUL - SYD
3 stops57h 40mMultiple Airlines
Deal found 7/12C$ 1,012
Find flight deals from Pierre Elliott Trudeau Intl to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 December 2025.
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 December 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney that are best for you.
Fly from
Pierre Elliott Trudeau Intl
Fly to
Sydney
Route
Depart
Return
Price
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 8/2
7:00 a.m.-6:50 a.m.
2 stops31h 50m
Sydney Kingsford Smith
Wed 18/3
9:40 a.m.-11:11 p.m.
2 stops28h 31m
C$ 1,331
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Mon 2/2
1:02 p.m.-8:30 a.m.
2 stops27h 28m
Sydney Kingsford Smith
Mon 2/3
10:40 a.m.-11:59 p.m.
2 stops29h 19m
C$ 1,331
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 22/2
7:00 a.m.-6:50 a.m.
2 stops31h 50m
Sydney Kingsford Smith
Sun 8/3
10:40 a.m.-10:37 a.m.
2 stops39h 57m
C$ 1,331
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Tue 24/2
7:00 a.m.-6:50 a.m.
2 stops31h 50m
Sydney Kingsford Smith
Tue 17/3
9:40 a.m.-11:40 p.m.
2 stops29h 00m
C$ 1,333
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Mon 2/3
6:00 a.m.-8:30 a.m.
2 stops34h 30m
Sydney Kingsford Smith
Mon 16/3
1:15 p.m.-11:32 a.m.
2 stops37h 17m
C$ 1,333
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 8/3
6:00 a.m.-7:25 a.m.
2 stops34h 25m
Sydney Kingsford Smith
Sun 29/3
10:25 a.m.-11:11 p.m.
2 stops27h 46m
C$ 1,336
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 8/3
6:45 p.m.-7:25 a.m.
2 stops45h 40m
Sydney Kingsford Smith
Wed 25/3
9:40 a.m.-11:59 p.m.
2 stops29h 19m
C$ 1,336
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Tue 10/3
7:00 a.m.-6:05 a.m.
2 stops32h 05m
Sydney Kingsford Smith
Mon 30/3
10:25 a.m.-11:32 a.m.
2 stops40h 07m
C$ 1,336
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Wed 18/3
7:00 a.m.-7:25 a.m.
2 stops33h 25m
Sydney Kingsford Smith
Tue 21/4
9:25 a.m.-11:58 p.m.
2 stops28h 33m
C$ 1,336
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Wed 28/1
6:00 a.m.-8:30 a.m.
2 stops34h 30m
Sydney Kingsford Smith
Wed 8/4
9:25 a.m.-11:40 p.m.
2 stops28h 15m
C$ 1,336
Flights are sorted by cheapest round-trip flights first.
Deals found on 9/12
Showing 1-10 of 17 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Sydney
Prices
More
How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Sydney. Price data was last updated on 5 December 2025.
The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney is 51 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 Pierre Elliott Trudeau Intl Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 378). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in November is currently the most expensive (average of C$ 1,732). 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 YUL to SYD?
Find hourly flight availability from Pierre Elliott Trudeau Intl 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 10 December 2025.
When flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight in the afternoon.
What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Sydney. Price data was last updated on 16 December 2024.
Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport 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.
What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.
Vancouver (YVR) – chosen by Cheapflights users on 87% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Sydney on Cheapflights.
What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 347.
What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 9h 07m.
Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 58m.
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 10 December 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, such as Porter Airlines,Air New Zealand, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
It's good. Planes are new and fresh. WiFi is best and stands out
Related info for your journey
Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl?
If you book a flight to Sydney from Montreal Pierre Elliott Trudeau Intl, 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 Pierre Elliott Trudeau Intl to Kingsford Smith per day from 8 different airlines.
How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney?
Airlines like Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 31h 50m. The time it takes to get you to your destination can typically vary by up to . Montreal Pierre Elliott Trudeau Intl Airport and Sydney are separated by a distance of 16011 km.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney round-trip?
Flying on Porter Airlines is currently your cheapest option to Sydney, with prices starting at C$ 297. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 330 and C$ 452, respectively. Porter Airlines is priced at 86% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney one-way?
One-way options have recently been found by users for as low as C$ 1,075 on Air Canada. Other airlines that offer cheap prices include Qatar Airways from C$ 1,147 and United Airlines from C$ 1,525 one-way.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Sydney that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Sydney.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Sydney?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney (average of C$ 378). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in November is currently the most expensive (average of C$ 1,732). 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.
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Fly from Pierre Elliott Trudeau Intl to Sydney on these airlines
Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
Search flights from Pierre Elliott Trudeau Intl to Sydney by cabin class
Find flights from Pierre Elliott Trudeau Intl to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Browse through other flights departing from Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
Top 8 airlines flying from Pierre Elliott Trudeau Intl to Sydney
Discover the top 8 airlines that operate flights from Pierre Elliott Trudeau Intl to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Sydney?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Pierre Elliott Trudeau Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Sydney?
Cheapflights helps you find that perfect flight to Sydney from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Sydney with no change fees?
Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl today and book when prices fit your budget.
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