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Cheap flights from Ontario to Cairns from $991

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
4 Jan — 11 Jan1
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 5 December 2025.

Mon 13/420:10YYZ - CNS
2 stops25h 00mMultiple Airlines
Mon 27/419:15CNS - YYZ
2 stops43h 11mMultiple Airlines
Deal found 1/12$1,999
Mon 13/418:40YYZ - CNS
3 stops50h 30mAir Canada
Mon 27/419:15CNS - YYZ
2 stops43h 53mAir Canada
Deal found 2/12$2,045
Wed 18/217:14YYZ - CNS
2 stops38h 51mQantas Airways
Sun 22/217:35CNS - YYZ
2 stops44h 00mQantas Airways
Deal found 2/12$2,172
Sun 15/220:50YUL - CNS
2 stops47h 10mQatar Airways
Wed 18/217:20CNS - YUL
2 stops59h 45mQatar Airways
Deal found 3/12$2,300
Sun 10/522:30YUL - CNS
2 stops46h 40mAir Canada
Thu 21/506:00CNS - YUL
2 stops28h 50mAir Canada
Deal found 4/12$2,120
Sun 1/217:14YYZ - CNS
2 stops29h 51mQantas Airways
Sat 28/209:20CNS - YYZ
2 stops45h 59mQantas Airways
Deal found 3/12$2,176
Thu 29/122:35YYZ - CNS
2 stops48h 25mAir Canada
Tue 3/306:00CNS - YYZ
2 stops24h 10mAir Canada
Deal found 3/12$2,175
Mon 2/217:14YYZ - CNS
2 stops36h 46mQantas Airways
Sun 1/317:35CNS - YYZ
2 stops37h 44mQantas Airways
Deal found 3/12$2,176
Tue 3/214:00YYZ - CNS
2 stops40h 00mQantas Airways
Mon 2/309:20CNS - YYZ
2 stops52h 15mQantas Airways
Deal found 3/12$2,176
Sun 1/220:20YYZ - CNS
2 stops26h 40mAir Canada
Fri 27/206:00CNS - YYZ
2 stops46h 05mAir Canada
Deal found 3/12$2,182
Sun 10/513:05YUL - CNS
1 stop25h 25mMultiple Airlines
Thu 21/506:00CNS - YUL
2 stops28h 50mMultiple Airlines
Deal found 4/12$2,955
Sun 15/209:10YUL - CNS
3 stops38h 45mAir Canada
Wed 18/206:00CNS - YUL
2 stops30h 00mAir Canada
Deal found 3/12$4,644

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 5 December 2025.

Round-trip from

$1,949

One-way from

$991
Air Canada
  • Air Canada
  • 31/1-3/3
  • 4 total stops
  • 73h 34m total
  • Ontario to Cairns
Search Deals
18/2
  • 18/2
  • 3 total stops
  • 46h 20m 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 5 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

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

20:10-11:10

2 stops25h 00m

Cairns

Mon 27/4

19:15-00:26

2 stops43h 11m

$1,999

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:40-11:10

3 stops50h 30m

Cairns

Mon 27/4

19:15-01:08

2 stops43h 53m

$2,045

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

22:30-11:10

2 stops46h 40m

Cairns

Thu 21/5

06:00-20:50

2 stops28h 50m

$2,120

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 18/2

17:14-23:05

2 stops38h 51m

Cairns

Sun 22/2

17:35-22:35

2 stops44h 00m

$2,172

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 29/1

22:35-14:00

2 stops48h 25m

Cairns

Tue 3/3

06:00-15:10

2 stops24h 10m

$2,175

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 1/2

17:14-14:05

2 stops29h 51m

Cairns

Sat 28/2

09:20-16:19

2 stops45h 59m

$2,176

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 2/2

17:14-21:00

2 stops36h 46m

Cairns

Sun 1/3

17:35-16:19

2 stops37h 44m

$2,176

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 3/2

14:00-21:00

2 stops40h 00m

Cairns

Mon 2/3

09:20-22:35

2 stops52h 15m

$2,176

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 1/2

20:20-14:00

2 stops26h 40m

Cairns

Fri 27/2

06:00-13:05

2 stops46h 05m

$2,182

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

20:50-11:00

2 stops47h 10m

Cairns

Wed 18/2

17:20-14:05

2 stops59h 45m

$2,300

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 14 results
1
2

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 Air Canada and Qatar Airways fly from Region of Ontario to Cairns in about 47h 10m. The time it takes to get you to your destination can typically vary by up to 3h 20m. 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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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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