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Cheap flights from Ontario to Cairns from $2,906

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
5 Sep — 12 Sep1
1 adult

Cheap flight deals from Ontario to Cairns

Keep the following information in mind while searching for Ontario to Cairns flight deals. Data was last updated 31 August 2025.

Round-trip from

$2,906
Qatar Airways
  • Qatar Airways
  • 11/2-15/2
  • 4 total stops
  • 112h 25m total
  • Ontario to Cairns
Search Deals

Find flight deals from Ontario to Cairns

Cheapest flights from Ontario to Cairns
Explore the most affordable flight options available from Ontario to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2025.

Sat 20/921:45YUL - CNS
2 stops54h 25mMultiple Airlines
Sat 11/1015:35CNS - YUL
2 stops39h 01mMultiple Airlines
Deal found 31/8$2,931

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Cairns 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 647,157 searches. Data last updated 31 August 2025.
Use the filters below to find and compare flights from Ontario to Cairns that are best for you.

Fly from

Ontario

Fly to

Cairns

Route

Depart

Return

Price

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

20:50-14:55

2 stops51h 05m

Cairns

Sun 15/2

15:45-14:05

2 stops61h 20m

$2,906

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

21:45-18:10

2 stops54h 25m

Cairns

Sat 11/10

15:35-16:36

2 stops39h 01m

$2,931

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 9/2

14:15-15:10

2 stops33h 55m

Cairns

Fri 13/2

14:35-20:40

2 stops45h 05m

$3,203

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 8/2

00:35-10:45

2 stops43h 10m

Cairns

Fri 13/2

11:35-20:35

2 stops48h 00m

$3,420

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Best time to book a flight from Ontario to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Ontario with our price prediction graph.
Estimated return 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 Ontario to Cairns
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cairns. 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 Cairns from Ontario?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from Ontario. Cairns is conveniently located just 4.4 km from Cairns’s city centre.

  • How long is the flight from Region of Ontario to Cairns?

    Airlines like Qatar Airways, Qantas Airways, and Cathay Pacific fly from Region of Ontario to Cairns in about 33h 55m. The time it takes to get you to your destination can typically vary by up to 17h 10m. Region of Ontario and Cairns are separated by a distance of 14820 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ontario to Cairns that include hotel bookings?

    Yes. In addition to deals on Ontario to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cairns.

  • Can I find deals for business class flights from Ontario to Cairns?

    Yes. Cheapflights offers flight deals from Ontario to Cairns 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 Region of Ontario to Cairns?

    Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Cairns (average of $166). Flying from Region of Ontario to Cairns in October is currently the most expensive (average of $233). 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

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Trinity Beach
Mission Beach

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Can Cheapflights find flights from Ontario to Cairns with no change fees?

Need flexible booking options for your flight to Cairns from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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