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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, NS from C$ 258

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — YQY
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 (YQY). 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 11 September 2025.

Round-trip from

C$ 650

One-way from

C$ 258

Popular in

August

Cheapest in

May

Average price

C$ 561

Good round-trip deal

C$ 517 or less

Good one-way deal

C$ 260 or less
Air Canada
  • Air Canada
  • 12/10-2/11
  • Nonstop
  • 3h 58m total
  • Montreal to Sydney
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WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 10h 51m total
  • Montreal to Sydney
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Highest demand for flights based on searches. 6% potential increase in price (C$ 61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Sydney.
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Sydney.
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Find flight deals from Pierre Elliott Trudeau Intl to Sydney

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 11 September 2025.

Sun 12/101:00 p.m.YUL - YQY
Nonstop1h 48mAir Canada
Sun 2/115:30 a.m.YQY - YUL
Nonstop2h 10mAir Canada
Deal found 10/9C$ 650
Sat 13/128:55 p.m.YUL - YQY
Nonstop1h 49mAir Canada
Sun 4/15:30 a.m.YQY - YUL
Nonstop2h 10mAir Canada
Deal found 11/9C$ 655
Sat 27/97:00 a.m.YUL - YQY
1 stop10h 51mWestJet
Sat 11/107:40 p.m.YQY - YUL
2 stops36h 27mWestJet
Deal found 9/9C$ 683
Thu 9/103:10 p.m.YUL - YQY
1 stop3h 20mMultiple Airlines
Thu 16/108:00 a.m.YQY - YUL
2 stops11h 00mMultiple Airlines
Deal found 11/9C$ 689
Fri 17/108:15 p.m.YUL - YQY
1 stop27h 20mAir Canada
Sat 1/115:30 a.m.YQY - YUL
Nonstop2h 10mAir Canada
Deal found 10/9C$ 693
Mon 13/108:15 a.m.YUL - YQY
1 stop5h 15mMultiple Airlines
Thu 16/108:00 a.m.YQY - YUL
2 stops11h 00mMultiple Airlines
Deal found 11/9C$ 712
Sat 27/91:00 p.m.YUL - YQY
Nonstop1h 48mAir Canada
Sat 11/104:30 p.m.YQY - YUL
Nonstop1h 59mAir Canada
Deal found 9/9C$ 740
Fri 17/108:15 p.m.YUL - YQY
1 stop27h 20mAir Canada
Wed 5/1112:20 p.m.YQY - YUL
1 stop22h 03mAir Canada
Deal found 10/9C$ 746

Cheapflights Fare Finder

 
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 11 September 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 - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Mon 3/11

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 650

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Sat 1/11

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 650

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Fri 7/11

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 650

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Mon 3/11

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 650

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Sun 2/11

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 650

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Sat 13/12

8:55 p.m.-11:44 p.m.

Nonstop1h 49m

Sydney

Sun 4/1

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 655

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

7:00 a.m.-6:51 p.m.

1 stop10h 51m

Sydney

Sat 11/10

7:40 p.m.-7:07 a.m.

2 stops36h 27m

C$ 683

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Tue 4/11

12:20 p.m.-9:23 a.m.

1 stop22h 03m

C$ 693

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

8:15 p.m.-12:35 a.m.

1 stop27h 20m

Sydney

Wed 5/11

5:30 a.m.-6:40 a.m.

Nonstop2h 10m

C$ 693

MontrealSydney

YUL - YQY

YULYQY

Montreal Pierre Elliott Trudeau Intl

Sun 12/10

1:00 p.m.-3:48 p.m.

Nonstop1h 48m

Sydney

Tue 4/11

12:20 p.m.-2:22 p.m.

1 stop27h 02m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 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

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia (average of C$ 375). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). 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 YQY?

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 11 September 2025.

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia at noon. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

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 11 September 2025.
Check out reviews from past customers who have flown with Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Overall

7.1

Food

6.3

Crew

7.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

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?

    Most people fly into Sydney (YQY) if they book a flight to Sydney from Montreal Pierre Elliott Trudeau Intl. On average, Sydney has 1 inbound flight from Montreal Pierre Elliott Trudeau Intl per day from 1 airline. Sydney is conveniently located just 11.2 km from Sydney’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia?

    Departing from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia will take you 1h 48m. Montreal Pierre Elliott Trudeau Intl Airport and Sydney, Nova Scotia are separated by a distance of 1062 km. Most flights are nonstop.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia round-trip?

    Flying on Air Canada is currently your cheapest option to Sydney, Nova Scotia, with prices starting at C$ 475. Air Canada is currently priced 31% below the average price you’ll pay for this route.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia?

    The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia is C$ 215. On average you can expect to pay C$ 496. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Sydney), can usually be booked for C$ 897.

  • 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, Nova Scotia?

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia (average of C$ 375). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). 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

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Alternative routes for Pierre Elliott Trudeau Intl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Halifax flights
Pierre Elliott Trudeau Intl to Moncton flights
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Pierre Elliott Trudeau Intl to St John flights

Top airline flying from Pierre Elliott Trudeau Intl to Sydney

Discover the top airline 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 475AverageC$ 677FlexibilityNo cancel feeOn-time67%
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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Sydney?

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Pierre Elliott Trudeau Intl? 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 Pierre Elliott Trudeau Intl to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Pierre Elliott Trudeau Intl to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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