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Cheap flights from Ontario to Cairns from $922

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
2 May — 9 May1
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 2 April 2026.

Wed 22/421:00
YYZ
-
CNS
2 stops48h 25m
Multiple Airlines
Sun 10/519:00
CNS
-
YYZ
2 stops34h 00m
Multiple Airlines
Deal found 30/3$2,424
Wed 29/421:00
YYZ
-
CNS
2 stops42h 30m
Multiple Airlines
Sat 16/511:00
CNS
-
YYZ
3 stops42h 00m
Multiple Airlines
Deal found 30/3$2,467
Mon 13/407:15
YYZ
-
CNS
2 stops39h 40m
Qantas Airways
Mon 27/418:20
CNS
-
YYZ
2 stops42h 35m
Qantas Airways
Deal found 31/3$2,469
Sun 25/1020:10
YYZ
-
CNS
2 stops52h 45m
Qatar Airways
Thu 29/1017:35
CNS
-
YYZ
2 stops60h 05m
Qatar Airways
Deal found 29/3$2,557
Sat 31/1020:50
YUL
-
CNS
2 stops48h 15m
Qatar Airways
Wed 4/1123:55
CNS
-
YUL
2 stops53h 10m
Qatar Airways
Deal found 1/4$2,609
Sat 31/1013:25
YUL
-
CNS
2 stops34h 35m
Air Canada
Wed 4/1106:00
CNS
-
YUL
2 stops30h 06m
Air Canada
Deal found 30/3$2,612
Sat 7/1116:00
YYZ
-
CNS
2 stops31h 00m
Air Canada
Wed 11/1106:00
CNS
-
YYZ
2 stops46h 37m
Air Canada
Deal found 1/4$2,614
Wed 29/421:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Sat 16/513:55
CNS
-
YUL
2 stops38h 50m
Qatar Airways
Deal found 30/3$2,617
Mon 13/421:00
YYZ
-
CNS
2 stops46h 20m
Multiple Airlines
Mon 27/413:40
CNS
-
YYZ
2 stops41h 20m
Multiple Airlines
Deal found 1/4$2,715
Sat 7/1120:10
YYZ
-
CNS
2 stops35h 55m
Qatar Airways
Wed 11/1109:15
CNS
-
YYZ
2 stops44h 25m
Qatar Airways
Deal found 31/3$2,733
Wed 29/421:35
YUL
-
CNS
2 stops35h 45m
Multiple Airlines
Sat 16/511:00
CNS
-
YUL
3 stops41h 45m
Multiple Airlines
Deal found 30/3$2,877
Tue 29/1220:50
YUL
-
CNS
2 stops35h 15m
Qatar Airways
Thu 7/115:45
CNS
-
YUL
2 stops61h 20m
Qatar Airways
Deal found 30/3$2,910

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 2 April 2026.

Round-trip from

$2,424

One-way from

$922
22/4-10/5
  • 22/4-10/5
  • 4 total stops
  • 82h 25m total
  • Ontario to Cairns
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 50h 25m 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 2 April 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

Mon 13/4

07:15-12:55

2 stops39h 40m

Cairns

Mon 27/4

18:20-22:55

2 stops42h 35m

$2,469

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

21:35-23:20

2 stops35h 45m

Cairns

Sat 16/5

11:00-14:45

3 stops41h 45m

$2,877

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

13:30-04:30

1 stop25h 00m

Cairns

Mon 27/4

18:20-14:00

2 stops57h 40m

$2,910

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

08:10-15:55

2 stops41h 45m

Cairns

Sun 14/6

06:00-20:00

2 stops28h 00m

$2,959

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

09:05-11:10

2 stops36h 05m

Cairns

Mon 27/4

06:00-17:02

3 stops49h 02m

$2,981

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 29/4

18:45-15:55

1 stop31h 10m

Cairns

Sat 16/5

16:35-15:56

2 stops37h 21m

$3,001
Fastest return journey

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

15:48-11:50

2 stops30h 02m

Cairns

Sun 14/6

13:55-11:44

3 stops35h 49m

$3,052

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

07:15-16:55

3 stops43h 40m

Cairns

Sat 16/5

10:15-23:45

3 stops51h 30m

$3,610

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

18:50-05:30

3 stops44h 40m

Cairns

Sun 14/6

19:00-16:55

3 stops59h 55m

$4,391
Cheapest one-way

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

07:00-11:40

3 stops38h 40m

$1,058

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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 Qantas Airways and United Airlines fly from Region of Ontario to Cairns in about 39h 40m. The time it takes to get you to your destination can typically vary by up to 2h 05m. 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?

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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