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Cheap flights from Ontario to Cairns from $1,939

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Cairns

Enter your travel dates to find the best prices.

Best flights from Ontario to Cairns
Discover carefully curated flight deals from Ontario to Cairns that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 December 2025.

Tue 10/220:50YUL - CNS
2 stops44h 45mQatar Airways
Tue 17/206:00CNS - YUL
2 stops47h 05mQatar Airways
Deal found 26/12$2,305
Mon 13/420:10YYZ - CNS
2 stops31h 00mMultiple Airlines
Mon 27/419:10CNS - YYZ
2 stops35h 52mMultiple Airlines
Deal found 25/12$2,326
Mon 9/219:10YUL - CNS
3 stops43h 35mKLM
Mon 16/219:15CNS - YUL
3 stops61h 05mKLM
Deal found 26/12$2,327
Sun 3/509:00YYZ - CNS
2 stops40h 55mAir Canada
Thu 7/506:00CNS - YYZ
2 stops23h 38mAir Canada
Deal found 25/12$2,681
Sun 3/510:57YYZ - CNS
3 stops36h 43mQantas Airways
Thu 7/506:45CNS - YYZ
2 stops30h 15mQantas Airways
Deal found 25/12$3,271
Sun 15/220:50YUL - CNS
2 stops35h 15mQatar Airways
Thu 19/211:45CNS - YUL
2 stops41h 20mQatar Airways
Deal found 25/12$2,396
Mon 9/220:50YUL - CNS
2 stops35h 15mMultiple Airlines
Mon 16/212:35CNS - YUL
3 stops43h 25mMultiple Airlines
Deal found 26/12$2,551
Tue 10/213:10YUL - CNS
3 stops31h 40mMultiple Airlines
Tue 17/206:00CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 26/12$2,586
Sun 15/211:10YUL - CNS
3 stops36h 45mAir Canada
Thu 19/206:00CNS - YUL
2 stops30h 00mAir Canada
Deal found 27/12$7,742

Find flight deals from Ontario to Cairns

Keep the following information in mind while searching for Ontario to Cairns flight deals. Data was last updated 28 December 2025.

Round-trip from

$2,094

One-way from

$1,939
10/2-17/2
  • 10/2-17/2
  • 5 total stops
  • 74h 25m total
  • Ontario to Cairns
Search Deals
United Airlines
  • United Airlines
  • 10/2
  • 2 total stops
  • 30h 00m total
  • Ontario to Cairns
Search Deals

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 28 December 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

Tue 10/2

20:50-08:35

2 stops44h 45m

Cairns

Tue 17/2

06:00-14:05

2 stops47h 05m

$2,305

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

20:10-17:10

2 stops31h 00m

Cairns

Mon 27/4

19:10-17:02

2 stops35h 52m

$2,326

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

19:10-05:45

3 stops43h 35m

Cairns

Mon 16/2

19:15-17:20

3 stops61h 05m

$2,327

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

20:50-23:05

2 stops35h 15m

Cairns

Thu 19/2

11:45-14:05

2 stops41h 20m

$2,396

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

20:50-23:05

2 stops35h 15m

Cairns

Mon 16/2

12:35-17:00

3 stops43h 25m

$2,551

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

13:10-11:50

3 stops31h 40m

Cairns

Tue 17/2

06:00-17:00

2 stops26h 00m

$2,586

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 3/5

09:00-15:55

2 stops40h 55m

Cairns

Thu 7/5

06:00-15:38

2 stops23h 38m

$2,681

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 3/5

10:57-13:40

3 stops36h 43m

Cairns

Thu 7/5

06:45-23:00

2 stops30h 15m

$3,271

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

11:10-14:55

3 stops36h 45m

Cairns

Thu 19/2

06:00-21:00

2 stops30h 00m

$7,742

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 10/2

17:55-14:55

2 stops30h 00m

$1,939

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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 and KLM fly from Region of Ontario to Cairns in about 43h 35m. The time it takes to get you to your destination can typically vary by up to 1h 10m. Region of Ontario and Cairns are separated by a distance of 15163 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.

See more FAQs

Travelling to a place near Cairns?

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

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How does Cheapflights help users find flights from Ontario to Cairns?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Cairns?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Cairns for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

Can Cheapflights notify me if prices for flights from Ontario to Cairns become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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