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Cheap flights from Ontario to Cairns from $1,069

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 May 2026.

Thu 11/621:00
YYZ
-
CNS
2 stops48h 25m
Qatar Airways
Thu 18/610:30
CNS
-
YYZ
2 stops42h 30m
Qatar Airways
Deal found 12/5$2,726
Sat 31/1020:10
YYZ
-
CNS
2 stops37h 45m
Multiple Airlines
Fri 13/1115:45
CNS
-
YYZ
2 stops37h 55m
Multiple Airlines
Deal found 15/5$2,769
Sat 22/816:35
YYZ
-
CNS
2 stops28h 10m
Air New Zealand
Sat 29/811:55
CNS
-
YYZ
2 stops26h 18m
Air New Zealand
Deal found 13/5$2,829
Sat 24/1021:00
YYZ
-
CNS
2 stops48h 05m
Qatar Airways
Wed 28/1023:55
CNS
-
YYZ
2 stops53h 45m
Qatar Airways
Deal found 14/5$2,861
Wed 11/1120:50
YUL
-
CNS
2 stops47h 15m
Qatar Airways
Sun 15/1119:50
CNS
-
YUL
2 stops57h 15m
Qatar Airways
Deal found 14/5$2,918
Thu 11/619:00
YYZ
-
CNS
3 stops37h 40m
Multiple Airlines
Thu 18/619:10
CNS
-
YYZ
2 stops41h 00m
Multiple Airlines
Deal found 12/5$2,918
Mon 29/618:30
YYZ
-
CNS
2 stops33h 55m
Multiple Airlines
Mon 6/719:15
CNS
-
YYZ
2 stops40h 14m
Multiple Airlines
Deal found 15/5$2,949
Sat 23/518:30
YUL
-
CNS
3 stops55h 25m
Air Canada
Sun 14/619:15
CNS
-
YUL
2 stops43h 25m
Air Canada
Deal found 14/5$2,953
Thu 25/618:20
YUL
-
CNS
2 stops27h 20m
Multiple Airlines
Thu 2/712:40
CNS
-
YUL
2 stops41h 22m
Multiple Airlines
Deal found 11/5$2,977
Sat 24/1012:30
YUL
-
CNS
3 stops32h 35m
Qantas Airways
Sat 19/1215:50
CNS
-
YUL
2 stops38h 16m
Qantas Airways
Deal found 11/5$3,025
Tue 26/515:48
YUL
-
CNS
2 stops31h 07m
Multiple Airlines
Mon 1/613:55
CNS
-
YUL
3 stops35h 49m
Multiple Airlines
Deal found 11/5$3,107
Sat 24/1018:20
YUL
-
CNS
2 stops27h 15m
Multiple Airlines
Sat 19/1212:35
CNS
-
YUL
2 stops42h 52m
Multiple Airlines
Deal found 11/5$3,165

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 16 May 2026.

Round-trip from

$2,726

One-way from

$1,069
Qatar Airways
  • Qatar Airways
  • 11/6-18/6
  • 4 total stops
  • 90h 55m total
  • Ontario to Cairns
Search Deals
29/9
  • 29/9
  • 3 total stops
  • 32h 45m 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 16 May 2026.
Use the filters below to find and compare flights from Ontario to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 11/6

21:00-11:25

2 stops48h 25m

Cairns

Thu 18/6

10:30-15:00

2 stops42h 30m

$2,726

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 31/10

20:10-23:55

2 stops37h 45m

Cairns

Fri 13/11

15:45-14:40

2 stops37h 55m

$2,769
Fastest return journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 22/8

16:35-10:45

2 stops28h 10m

Cairns

Sat 29/8

11:55-00:13

2 stops26h 18m

$2,829

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 24/10

21:00-11:05

2 stops48h 05m

Cairns

Wed 28/10

23:55-15:40

2 stops53h 45m

$2,861

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

20:50-11:05

2 stops47h 15m

Cairns

Sun 15/11

19:50-14:05

2 stops57h 15m

$2,918

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 29/6

18:30-18:25

2 stops33h 55m

Cairns

Mon 6/7

19:15-21:29

2 stops40h 14m

$2,949

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Thu 25/6

18:20-11:40

2 stops27h 20m

Cairns

Thu 2/7

12:40-16:02

2 stops41h 22m

$2,977

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

15:48-12:55

2 stops31h 07m

Cairns

Mon 1/6

13:55-11:44

3 stops35h 49m

$3,107

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 11/6

13:35-04:30

1 stop24h 55m

Cairns

Thu 18/6

19:10-22:10

2 stops41h 00m

$3,333

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

09:00-14:00

2 stops38h 00m

Cairns

Sun 15/11

17:35-01:53

3 stops47h 18m

$3,383

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Qatar Airways and Air New Zealand fly from Region of Ontario to Cairns in about 28h 10m. The time it takes to get you to your destination can typically vary by up to 20h 15m. 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.

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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