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Cheap flights from Ontario to Cairns from $1,292

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
30 Jun — 7 Jul1
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 31 May 2026.

Tue 20/1021:00
YYZ
-
CNS
2 stops45h 30m
Multiple Airlines
Tue 10/1115:45
CNS
-
YYZ
2 stops37h 55m
Multiple Airlines
Deal found 28/5$2,617
Wed 11/1120:10
YYZ
-
CNS
2 stops55h 55m
Qatar Airways
Sun 15/1123:55
CNS
-
YYZ
2 stops53h 45m
Qatar Airways
Deal found 27/5$2,817
Thu 25/618:55
YYZ
-
CNS
2 stops26h 45m
Multiple Airlines
Thu 2/712:40
CNS
-
YYZ
2 stops26h 25m
Multiple Airlines
Deal found 26/5$2,872
Wed 4/1120:50
YUL
-
CNS
2 stops55h 15m
Qatar Airways
Sun 8/1123:55
CNS
-
YUL
2 stops53h 10m
Qatar Airways
Deal found 28/5$2,887
Wed 18/1120:50
YUL
-
CNS
2 stops55h 15m
Qatar Airways
Sun 22/1123:55
CNS
-
YUL
2 stops53h 10m
Qatar Airways
Deal found 27/5$2,888
Thu 12/1120:10
YYZ
-
CNS
2 stops47h 50m
Qatar Airways
Mon 16/1117:35
CNS
-
YYZ
2 stops60h 05m
Qatar Airways
Deal found 30/5$2,929
Fri 12/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Fri 10/700:55
CNS
-
YUL
2 stops51h 50m
Qatar Airways
Deal found 28/5$2,954
Wed 11/1110:30
YYZ
-
CNS
2 stops33h 35m
Qantas Airways
Sun 15/1111:50
CNS
-
YYZ
2 stops43h 28m
Qantas Airways
Deal found 26/5$2,998
Tue 30/619:00
YYZ
-
CNS
2 stops26h 10m
Multiple Airlines
Tue 1/906:00
CNS
-
YYZ
2 stops45h 30m
Multiple Airlines
Deal found 29/5$3,109
Sun 12/721:00
YYZ
-
CNS
2 stops48h 25m
Multiple Airlines
Sun 19/718:55
CNS
-
YYZ
2 stops33h 05m
Multiple Airlines
Deal found 28/5$3,328
Thu 25/618:35
YYZ
-
CNS
2 stops28h 20m
Qantas Airways
Thu 2/713:55
CNS
-
YYZ
3 stops48h 55m
Qantas Airways
Deal found 26/5$3,407
Tue 30/611:00
YYZ
-
CNS
3 stops43h 20m
United Airlines
Tue 1/906:00
CNS
-
YYZ
2 stops32h 25m
United Airlines
Deal found 29/5$3,545

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 31 May 2026.

Round-trip from

$2,617

One-way from

$1,292
20/10-10/11
  • 20/10-10/11
  • 4 total stops
  • 83h 25m total
  • Ontario to Cairns
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 43h 15m 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 31 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

Wed 11/11

20:10-19:05

2 stops55h 55m

Cairns

Sun 15/11

23:55-14:40

2 stops53h 45m

$2,817

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

20:50-19:05

2 stops55h 15m

Cairns

Sun 8/11

23:55-14:05

2 stops53h 10m

$2,887

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

20:50-19:05

2 stops55h 15m

Cairns

Sun 22/11

23:55-14:05

2 stops53h 10m

$2,888

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 12/11

20:10-11:00

2 stops47h 50m

Cairns

Mon 16/11

17:35-14:40

2 stops60h 05m

$2,929
Fastest return journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 20/10

13:10-10:35

3 stops31h 25m

Cairns

Tue 10/11

06:00-21:29

3 stops30h 29m

$3,055

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 30/6

11:00-20:20

3 stops43h 20m

Cairns

Tue 1/9

06:00-00:25

2 stops32h 25m

$3,545

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 3/7

17:16-20:20

2 stops37h 04m

Cairns

Fri 24/7

06:00-21:25

2 stops29h 25m

$3,624

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 30/6

15:13-12:55

3 stops31h 42m

Cairns

Tue 1/9

15:45-10:59

3 stops33h 14m

$3,624

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

18:00-11:10

2 stops27h 10m

Cairns

Sat 11/7

11:40-17:00

1 stop43h 20m

$3,713

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

07:30-14:00

2 stops39h 30m

Cairns

Sun 22/11

17:35-22:53

3 stops44h 18m

$3,818

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 16 resultsSorted by cheapest first
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 Qatar Airways fly from Region of Ontario to Cairns in about 55h 55m. The time it takes to get you to your destination can typically vary by up to . Region of Ontario and Cairns are separated by a distance of 14820 km.

  • 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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