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Cheap flights from Ontario to Cairns from $1,007

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

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 12 January 2026.

Round-trip from

$2,151

One-way from

$1,007
25/2-4/3
  • 25/2-4/3
  • 5 total stops
  • 69h 53m total
  • Ontario to Cairns
Search Deals
24/2
  • 24/2
  • 3 total stops
  • 52h 05m total
  • Ontario to Cairns
Search Deals

Find flight deals from Ontario to Cairns

Enter your travel dates to find the best prices.

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 12 January 2026.

Wed 25/210:00
YYZ
-
CNS
2 stops34h 00m
Multiple Airlines
Wed 4/309:20
CNS
-
YYZ
3 stops35h 53m
Multiple Airlines
Deal found 11/1$2,151
Mon 13/420:10
YYZ
-
CNS
2 stops31h 00m
Multiple Airlines
Mon 27/419:10
CNS
-
YYZ
2 stops35h 52m
Multiple Airlines
Deal found 11/1$2,303
Sun 8/220:50
YUL
-
CNS
2 stops47h 10m
Multiple Airlines
Sun 15/217:20
CNS
-
YUL
2 stops42h 40m
Multiple Airlines
Deal found 10/1$2,505
Mon 13/418:45
YYZ
-
CNS
3 stops50h 25m
Air Canada
Mon 27/406:00
CNS
-
YYZ
2 stops23h 56m
Air Canada
Deal found 11/1$2,540
Sun 22/218:45
YYZ
-
CNS
1 stop46h 35m
Multiple Airlines
Sun 15/306:00
CNS
-
YYZ
2 stops23h 10m
Multiple Airlines
Deal found 12/1$2,587
Mon 22/621:30
YUL
-
CNS
2 stops47h 40m
Air Canada
Wed 8/719:15
CNS
-
YUL
2 stops38h 09m
Air Canada
Deal found 11/1$2,610
Tue 23/617:30
YUL
-
CNS
2 stops27h 35m
Multiple Airlines
Wed 8/719:15
CNS
-
YUL
2 stops35h 44m
Multiple Airlines
Deal found 11/1$2,629
Sun 15/220:50
YUL
-
CNS
2 stops47h 10m
Qatar Airways
Thu 19/211:45
CNS
-
YUL
2 stops41h 20m
Qatar Airways
Deal found 11/1$2,824
Wed 24/617:30
YUL
-
CNS
2 stops30h 10m
Multiple Airlines
Wed 8/710:15
CNS
-
YUL
2 stops34h 00m
Multiple Airlines
Deal found 11/1$3,616
Tue 23/612:30
YUL
-
CNS
3 stops34h 25m
Qantas Airways
Wed 8/706:45
CNS
-
YUL
3 stops38h 12m
Qantas Airways
Deal found 11/1$3,702
Sat 20/618:50
YUL
-
CNS
3 stops44h 40m
KLM
Wed 8/719:15
CNS
-
YUL
3 stops59h 40m
KLM
Deal found 11/1$4,321
Mon 22/618:50
YUL
-
CNS
3 stops44h 40m
KLM
Wed 8/719:15
CNS
-
YUL
3 stops59h 40m
KLM
Deal found 11/1$4,459

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 12 January 2026.
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

Wed 25/2

10:00-11:00

2 stops34h 00m

Cairns

Wed 4/3

09:20-06:13

3 stops35h 53m

$2,151

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:45-17:10

2 stops32h 25m

Cairns

Mon 27/4

06:45-17:02

2 stops48h 17m

$2,303

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

20:50-11:00

2 stops47h 10m

Cairns

Sun 15/2

17:20-21:00

2 stops42h 40m

$2,505

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:45-11:10

3 stops50h 25m

Cairns

Mon 27/4

06:00-15:56

2 stops23h 56m

$2,540

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

21:30-11:10

2 stops47h 40m

Cairns

Wed 8/7

19:15-19:24

2 stops38h 09m

$2,610

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 23/6

17:30-11:05

2 stops27h 35m

Cairns

Wed 8/7

19:15-16:59

2 stops35h 44m

$2,629

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

20:50-11:00

2 stops47h 10m

Cairns

Thu 19/2

11:45-14:05

2 stops41h 20m

$2,824

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

17:30-13:40

2 stops30h 10m

Cairns

Wed 8/7

10:15-06:15

2 stops34h 00m

$3,616

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 23/6

12:30-12:55

3 stops34h 25m

Cairns

Wed 8/7

06:45-06:57

3 stops38h 12m

$3,702

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

18:50-05:30

3 stops44h 40m

Cairns

Wed 8/7

19:15-16:55

3 stops59h 40m

$4,321

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 13 results
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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 30m. 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?

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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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