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Cheap flights from Ontario to Cairns from $966

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
25 Aug — 1 Sep1
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 26 July 2026.

Sat 5/918:35
YYZ
-
CNS
2 stops27h 05m
Multiple Airlines
Thu 1/1012:40
CNS
-
YYZ
2 stops26h 25m
Multiple Airlines
Deal found 23/7$2,360
Fri 28/806:00
YYZ
-
CNS
2 stops32h 30m
Multiple Airlines
Thu 10/912:40
CNS
-
YYZ
2 stops26h 25m
Multiple Airlines
Deal found 22/7$2,410
Thu 10/921:00
YYZ
-
CNS
2 stops52h 55m
Qatar Airways
Mon 14/921:00
CNS
-
YYZ
2 stops56h 00m
Qatar Airways
Deal found 24/7$2,690
Sat 5/1220:50
YUL
-
CNS
2 stops34h 50m
Multiple Airlines
Sat 26/1219:50
CNS
-
YUL
2 stops57h 15m
Multiple Airlines
Deal found 26/7$2,831
Sat 14/1120:50
YUL
-
CNS
2 stops35h 15m
Qatar Airways
Wed 18/1115:45
CNS
-
YUL
2 stops61h 20m
Qatar Airways
Deal found 25/7$2,874
Sat 14/1108:45
YUL
-
CNS
2 stops38h 15m
Air Canada
Wed 18/1106:00
CNS
-
YUL
2 stops26h 04m
Air Canada
Deal found 24/7$2,879
Mon 28/913:40
YYZ
-
CNS
1 stop24h 50m
Multiple Airlines
Wed 7/1006:00
CNS
-
YYZ
2 stops23h 53m
Multiple Airlines
Deal found 25/7$2,899
Sun 22/1117:12
YYZ
-
CNS
2 stops27h 08m
Qantas Airways
Tue 1/1206:40
CNS
-
YYZ
2 stops31h 16m
Qantas Airways
Deal found 23/7$2,944
Sun 22/1118:40
YYZ
-
CNS
1 stop31h 45m
Multiple Airlines
Tue 1/1206:00
CNS
-
YYZ
2 stops26h 55m
Multiple Airlines
Deal found 23/7$2,985
Fri 21/812:30
YUL
-
CNS
3 stops34h 25m
Multiple Airlines
Fri 28/813:55
CNS
-
YUL
3 stops35h 48m
Multiple Airlines
Deal found 24/7$3,206
Fri 21/821:35
YUL
-
CNS
2 stops46h 15m
Qatar Airways
Fri 28/819:15
CNS
-
YUL
2 stops57h 30m
Qatar Airways
Deal found 24/7$3,286
Fri 31/718:35
YUL
-
CNS
2 stops26h 35m
Multiple Airlines
Mon 10/819:10
CNS
-
YUL
2 stops35h 28m
Multiple Airlines
Deal found 23/7$3,379

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 26 July 2026.

Round-trip from

$2,320

One-way from

$966
Qatar Airways
  • Qatar Airways
  • 4/1-27/1
  • 4 total stops
  • 88h 35m total
  • Ontario to Cairns
Search Deals
24/10
  • 24/10
  • 3 total stops
  • 58h 35m 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 26 July 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
Fastest return journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 5/9

18:35-11:40

2 stops27h 05m

Cairns

Thu 1/10

12:40-01:05

2 stops26h 25m

$2,360

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 5/1

20:50-23:55

2 stops60h 05m

Cairns

Sat 30/1

11:45-14:05

2 stops41h 20m

$2,377

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

20:50-19:05

2 stops55h 15m

Cairns

Sun 24/1

11:45-14:05

2 stops41h 20m

$2,433

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 10/9

21:00-15:55

2 stops52h 55m

Cairns

Mon 14/9

21:00-15:00

2 stops56h 00m

$2,690

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

20:50-10:15

2 stops46h 25m

Cairns

Tue 26/1

19:50-14:05

2 stops57h 15m

$2,824

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

08:45-14:00

2 stops38h 15m

Cairns

Wed 18/11

06:00-17:04

2 stops26h 04m

$2,879

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

20:50-16:45

2 stops52h 55m

Cairns

Sat 30/1

11:45-14:05

2 stops41h 20m

$2,881

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 28/9

09:00-04:30

2 stops29h 30m

Cairns

Wed 7/10

06:00-21:00

2 stops29h 00m

$2,951

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 22/11

20:10-09:35

2 stops46h 25m

Cairns

Tue 1/12

09:45-14:30

3 stops43h 45m

$3,037

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

12:30-12:55

3 stops34h 25m

Cairns

Fri 28/8

13:55-11:43

3 stops35h 48m

$3,206

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 23 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 Canada fly from Region of Ontario to Cairns in about 38h 15m. The time it takes to get you to your destination can typically vary by up to 21h 50m. 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.

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