Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney from C$ 809
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SYD
24 Dec — 31 Dec1
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
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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 24 November 2025.
Sat 6/127:30 a.m.YUL - SYD
1 stop31h 25mAir Canada
Mon 22/124:00 p.m.SYD - YUL
1 stop33h 08mAir Canada
Deal found 21/11C$ 1,769
Sun 7/126:20 p.m.YUL - SYD
1 stop23h 15mAir Canada
Thu 11/1211:20 a.m.SYD - YUL
1 stop24h 06mAir Canada
Deal found 21/11C$ 1,886
Tue 2/127:30 a.m.YUL - SYD
1 stop31h 25mAir Canada
Fri 12/1211:20 a.m.SYD - YUL
1 stop24h 05mAir Canada
Deal found 20/11C$ 1,919
Sun 7/128:55 a.m.YUL - SYD
3 stops32h 40mMultiple Airlines
Thu 11/1211:20 a.m.SYD - YUL
2 stops26h 22mMultiple Airlines
Deal found 21/11C$ 1,978
Sun 7/128:40 a.m.YUL - SYD
2 stops32h 55mAir Canada
Tue 23/1211:20 a.m.SYD - YUL
1 stop25h 40mAir Canada
Deal found 21/11C$ 1,980
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 24 November 2025.
Sun 8/34:45 p.m.YUL - SYD
2 stops25h 30mUnited Airlines
Fri 27/311:50 a.m.SYD - YUL
2 stops24h 52mUnited Airlines
Deal found 23/11C$ 1,592
Sat 14/22:40 p.m.YUL - SYD
2 stops48h 10mDelta
Wed 18/210:40 a.m.SYD - YUL
2 stops28h 32mDelta
Deal found 21/11C$ 1,607
Sun 8/312:55 p.m.YUL - SYD
2 stops26h 10mDelta
Sun 29/310:25 a.m.SYD - YUL
2 stops51h 46mDelta
Deal found 22/11C$ 1,689
Sat 17/15:25 p.m.YUL - SYD
2 stops44h 55mUnited Airlines
Mon 9/211:50 a.m.SYD - YUL
1 stop21h 00mUnited Airlines
Deal found 22/11C$ 1,813
Tue 21/48:30 a.m.YUL - SYD
3 stops32h 25mUnited Airlines
Tue 19/59:30 a.m.SYD - YUL
2 stops23h 28mUnited Airlines
Deal found 21/11C$ 1,813
Sat 17/17:00 p.m.YUL - SYD
2 stops43h 20mUnited Airlines
Wed 4/211:50 a.m.SYD - YUL
1 stop21h 00mUnited Airlines
Deal found 22/11C$ 1,813
Sun 25/16:45 p.m.YUL - SYD
1 stop22h 20mUnited Airlines
Wed 18/211:50 a.m.SYD - YUL
2 stops25h 52mUnited Airlines
Deal found 22/11C$ 1,813
Sun 25/16:45 p.m.YUL - SYD
1 stop22h 20mUnited Airlines
Tue 17/212:10 p.m.SYD - YUL
2 stops25h 07mUnited Airlines
Deal found 22/11C$ 1,813
Sun 8/36:45 p.m.YUL - SYD
1 stop23h 20mUnited Airlines
Sun 29/311:20 a.m.SYD - YUL
2 stops44h 22mUnited Airlines
Deal found 22/11C$ 1,813
Sat 17/17:00 p.m.YUL - SYD
2 stops43h 20mUnited Airlines
Sun 1/211:20 a.m.SYD - YUL
1 stop21h 23mUnited Airlines
Deal found 22/11C$ 1,813
Wed 14/12:13 p.m.YUL - SYD
2 stops27h 02mUnited Airlines
Tue 3/212:10 p.m.SYD - YUL
2 stops23h 38mUnited Airlines
Deal found 22/11C$ 1,823
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 24 November 2025 and is based on user searches.
Tue 2/121:00 p.m.YUL - SYD
2 stops25h 55mAir Canada
Fri 12/1211:20 a.m.SYD - YUL
1 stop21h 40mAir Canada
Deal found 20/11C$ 1,919
Sat 6/127:30 a.m.YUL - SYD
1 stop31h 25mAir Canada
Mon 22/124:00 p.m.SYD - YUL
1 stop33h 08mAir Canada
Deal found 21/11C$ 1,769
Sun 7/126:20 p.m.YUL - SYD
1 stop23h 15mAir Canada
Thu 11/1211:20 a.m.SYD - YUL
1 stop24h 06mAir Canada
Deal found 21/11C$ 1,886
Sun 7/128:55 a.m.YUL - SYD
3 stops32h 40mMultiple Airlines
Thu 11/1211:20 a.m.SYD - YUL
2 stops26h 22mMultiple Airlines
Deal found 21/11C$ 1,978
Sun 7/128:40 a.m.YUL - SYD
2 stops32h 55mAir Canada
Tue 23/1211:20 a.m.SYD - YUL
1 stop25h 40mAir Canada
Deal found 21/11C$ 1,980
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 24 November 2025.
Sun 18/17:00 a.m.YUL - SYD
2 stops33h 30mDelta
Deal found 23/11C$ 815
Mon 16/22:40 p.m.YUL - SYD
2 stops25h 50mDelta
Deal found 22/11C$ 816
Mon 16/27:30 p.m.YUL - SYD
3 stops49h 05mMultiple Airlines
Deal found 22/11C$ 842
Sat 17/16:00 a.m.YUL - SYD
2 stops34h 30mDelta
Deal found 22/11C$ 891
Thu 29/112:50 p.m.YUL - SYD
2 stops26h 00mDelta
Deal found 21/11C$ 892
Thu 29/16:45 a.m.YUL - SYD
3 stops55h 25mMultiple Airlines
Deal found 21/11C$ 940
Sat 17/16:45 a.m.YUL - SYD
3 stops55h 25mMultiple Airlines
Deal found 22/11C$ 963
Thu 27/115:55 p.m.YUL - SYD
3 stops52h 45mMultiple Airlines
Deal found 20/11C$ 1,038
Tue 2/128:10 p.m.YUL - SYD
2 stops32h 10mMultiple Airlines
Deal found 23/11C$ 1,132
Mon 16/28:50 p.m.YUL - SYD
1 stop42h 00mQatar Airways
Deal found 22/11C$ 1,138
Tue 2/126:20 p.m.YUL - SYD
1 stop23h 15mAir Canada
Deal found 23/11C$ 1,179
Cheap 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 24 November 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 24 November 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 8/3
4:45 p.m.-9:15 a.m.
2 stops25h 30m
Sydney Kingsford Smith
Fri 27/3
11:50 a.m.-9:42 p.m.
2 stops24h 52m
C$ 1,592
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sat 14/2
2:40 p.m.-6:50 a.m.
2 stops48h 10m
Sydney Kingsford Smith
Wed 18/2
10:40 a.m.-11:12 p.m.
2 stops28h 32m
C$ 1,607
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 8/3
12:55 p.m.-6:05 a.m.
2 stops26h 10m
Sydney Kingsford Smith
Sun 29/3
10:25 a.m.-11:11 p.m.
2 stops51h 46m
C$ 1,689
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sat 17/1
5:25 p.m.-6:20 a.m.
2 stops44h 55m
Sydney Kingsford Smith
Mon 9/2
11:50 a.m.-4:50 p.m.
1 stop21h 00m
C$ 1,813
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Tue 21/4
8:30 a.m.-6:55 a.m.
3 stops32h 25m
Sydney Kingsford Smith
Tue 19/5
9:30 a.m.-6:58 p.m.
2 stops23h 28m
C$ 1,813
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sat 17/1
7:00 p.m.-6:20 a.m.
2 stops43h 20m
Sydney Kingsford Smith
Wed 4/2
11:50 a.m.-4:50 p.m.
1 stop21h 00m
C$ 1,813
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 25/1
6:45 p.m.-9:05 a.m.
1 stop22h 20m
Sydney Kingsford Smith
Wed 18/2
11:50 a.m.-9:42 p.m.
2 stops25h 52m
C$ 1,813
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 25/1
6:45 p.m.-9:05 a.m.
1 stop22h 20m
Sydney Kingsford Smith
Tue 17/2
12:10 p.m.-9:17 p.m.
2 stops25h 07m
C$ 1,813
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sun 8/3
6:45 p.m.-9:05 a.m.
1 stop23h 20m
Sydney Kingsford Smith
Sun 29/3
11:20 a.m.-4:42 p.m.
2 stops44h 22m
C$ 1,813
MontrealSydney
YUL - SYD
YULSYD
Montreal Pierre Elliott Trudeau Intl
Sat 17/1
7:00 p.m.-6:20 a.m.
2 stops43h 20m
Sydney Kingsford Smith
Sun 1/2
11:20 a.m.-4:43 p.m.
1 stop21h 23m
C$ 1,813
Flights are sorted by cheapest round-trip flights first.
Deals found on 23/11
Showing 1-10 of 18 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 21 November 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$ 389). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,813). 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 24 November 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 86% 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$ 353.
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 24 November 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 United Airlines and Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in about 25h 30m. The time it takes to get you to your destination can typically vary by up to 22h 40m. Montreal Pierre Elliott Trudeau Intl Airport and Sydney are separated by a distance of 16011 km. Both multi-stop and direct flights can be found to your destination and back.
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$ 302. Additional round-trip tickets that might be worth considering are offered by WestJet and Delta, with the lowest prices starting at C$ 336 and C$ 460, respectively. Porter Airlines is priced at 86% lower than the current average price of a flight leaving 3 months from now.
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$ 389). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney in June is currently the most expensive (average of C$ 1,813). 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.
Book flights to Sydney if you plan to visit one of these locations
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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 24 November 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 24 November 2025.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 November 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 24 November 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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