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Cheap flights from Ontario to Cairns from $845

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
18 Feb — 25 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 19 January 2026.

Round-trip from

$2,013

One-way from

$845
19/2-5/3
  • 19/2-5/3
  • 4 total stops
  • 63h 47m total
  • Ontario to Cairns
Search Deals
3/3
  • 3/3
  • 2 total stops
  • 34h 35m 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 19 January 2026.

Fri 11/921:45
YYZ
-
CNS
2 stops47h 55m
Multiple Airlines
Sat 10/1012:40
CNS
-
YYZ
2 stops45h 19m
Multiple Airlines
Deal found 18/1$1,889
Thu 23/713:30
YYZ
-
CNS
2 stops32h 10m
Multiple Airlines
Thu 13/812:40
CNS
-
YYZ
2 stops31h 09m
Multiple Airlines
Deal found 16/1$1,890
Thu 17/918:30
YYZ
-
CNS
2 stops27h 10m
Multiple Airlines
Mon 12/1012:40
CNS
-
YYZ
2 stops32h 19m
Multiple Airlines
Deal found 18/1$1,995
Thu 19/212:50
YYZ
-
CNS
2 stops31h 45m
Multiple Airlines
Thu 5/312:35
CNS
-
YYZ
2 stops32h 02m
Multiple Airlines
Deal found 17/1$2,013
Mon 16/210:00
YYZ
-
CNS
2 stops34h 20m
Multiple Airlines
Mon 23/212:35
CNS
-
YYZ
3 stops32h 45m
Multiple Airlines
Deal found 17/1$2,014
Tue 21/709:10
YYZ
-
CNS
2 stops36h 30m
Multiple Airlines
Thu 13/812:40
CNS
-
YYZ
2 stops43h 09m
Multiple Airlines
Deal found 16/1$2,055
Sat 24/100:35
YYZ
-
CNS
1 stop42h 20m
Cathay Pacific
Thu 29/111:25
CNS
-
YYZ
1 stop24h 35m
Cathay Pacific
Deal found 17/1$2,067
Fri 10/421:55
YYZ
-
CNS
3 stops47h 45m
Multiple Airlines
Fri 24/406:00
CNS
-
YYZ
3 stops32h 09m
Multiple Airlines
Deal found 17/1$2,086
Wed 4/318:45
YYZ
-
CNS
2 stops49h 50m
Multiple Airlines
Sat 4/412:40
CNS
-
YYZ
2 stops39h 00m
Multiple Airlines
Deal found 18/1$2,120
Sat 24/100:35
YYZ
-
CNS
1 stop42h 20m
Multiple Airlines
Thu 29/117:35
CNS
-
YYZ
2 stops42h 25m
Multiple Airlines
Deal found 17/1$2,186
Tue 4/816:00
YYZ
-
CNS
2 stops29h 40m
Multiple Airlines
Wed 19/806:45
CNS
-
YYZ
2 stops37h 00m
Multiple Airlines
Deal found 16/1$2,273
Tue 30/613:05
YUL
-
CNS
1 stop25h 25m
Multiple Airlines
Fri 31/707:00
CNS
-
YUL
3 stops37h 43m
Multiple Airlines
Deal found 18/1$2,952

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 19 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

Thu 19/2

12:50-11:35

2 stops31h 45m

Cairns

Thu 5/3

12:35-05:37

2 stops32h 02m

$2,013

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 16/2

10:00-11:20

2 stops34h 20m

Cairns

Mon 23/2

12:35-06:20

3 stops32h 45m

$2,014

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 4/3

18:45-11:35

2 stops49h 50m

Cairns

Sat 4/4

12:40-13:40

2 stops39h 00m

$2,120

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:45-17:10

2 stops32h 25m

Cairns

Mon 27/4

19:10-18:57

2 stops37h 47m

$2,304

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 10/4

07:45-04:30

2 stops30h 45m

Cairns

Fri 24/4

06:00-00:09

3 stops32h 09m

$2,382

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 28/3

18:40-17:10

2 stops32h 30m

Cairns

Thu 9/4

19:10-17:55

2 stops36h 45m

$2,428

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

07:30-04:30

2 stops31h 00m

Cairns

Fri 31/7

07:00-06:43

3 stops37h 43m

$2,965

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

10:10-09:55

2 stops32h 45m

Cairns

Thu 19/2

11:25-00:38

2 stops28h 13m

$3,807

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 23/6

20:40-17:00

2 stops54h 20m

Cairns

Mon 13/7

18:15-16:00

2 stops35h 45m

$4,607

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 23/6

13:05-04:30

1 stop25h 25m

Cairns

Mon 13/7

11:40-17:00

1 stop43h 20m

$5,181

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 21 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 Cathay Pacific and Lufthansa fly from Region of Ontario to Cairns in about 32h 45m. The time it takes to get you to your destination can typically vary by up to 21h 35m. 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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