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Cheap flights from Ontario to Cairns from C$ 889

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
3 May — 10 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 3 April 2026.

Wed 22/49:00 p.m.
YYZ
-
CNS
2 stops48h 25m
Multiple Airlines
Sun 10/57:00 p.m.
CNS
-
YYZ
2 stops34h 00m
Multiple Airlines
Deal found 30/3C$ 2,337
Wed 29/49:00 p.m.
YYZ
-
CNS
2 stops42h 30m
Multiple Airlines
Sat 16/511:00 a.m.
CNS
-
YYZ
3 stops42h 00m
Multiple Airlines
Deal found 30/3C$ 2,379
Mon 13/47:15 a.m.
YYZ
-
CNS
2 stops39h 40m
Qantas Airways
Mon 27/46:20 p.m.
CNS
-
YYZ
2 stops42h 35m
Qantas Airways
Deal found 31/3C$ 2,380
Sun 25/108:10 p.m.
YYZ
-
CNS
2 stops52h 45m
Qatar Airways
Thu 29/105:35 p.m.
CNS
-
YYZ
2 stops60h 05m
Qatar Airways
Deal found 29/3C$ 2,465
Sat 31/108:50 p.m.
YUL
-
CNS
2 stops56h 15m
Qatar Airways
Wed 4/117:50 p.m.
CNS
-
YUL
2 stops57h 15m
Qatar Airways
Deal found 2/4C$ 2,513
Sat 31/101:25 p.m.
YUL
-
CNS
2 stops34h 35m
Air Canada
Wed 4/116:00 a.m.
CNS
-
YUL
2 stops30h 06m
Air Canada
Deal found 30/3C$ 2,518
Sat 7/114:00 p.m.
YYZ
-
CNS
2 stops31h 00m
Air Canada
Wed 11/116:00 a.m.
CNS
-
YYZ
2 stops26h 37m
Air Canada
Deal found 2/4C$ 2,518
Wed 29/49:35 p.m.
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Sat 16/51:55 p.m.
CNS
-
YUL
2 stops38h 50m
Qatar Airways
Deal found 30/3C$ 2,524
Mon 13/48:10 p.m.
YYZ
-
CNS
2 stops25h 00m
Multiple Airlines
Mon 27/44:35 p.m.
CNS
-
YYZ
1 stop38h 27m
Multiple Airlines
Deal found 2/4C$ 2,567
Mon 13/49:00 p.m.
YYZ
-
CNS
2 stops46h 50m
Qatar Airways
Mon 27/41:40 p.m.
CNS
-
YYZ
2 stops41h 20m
Qatar Airways
Deal found 2/4C$ 2,604
Wed 29/49:35 p.m.
YUL
-
CNS
2 stops35h 45m
Multiple Airlines
Sat 16/511:00 a.m.
CNS
-
YUL
3 stops41h 45m
Multiple Airlines
Deal found 30/3C$ 2,774
Tue 29/128:50 p.m.
YUL
-
CNS
2 stops35h 15m
Qatar Airways
Thu 7/13:45 p.m.
CNS
-
YUL
2 stops61h 20m
Qatar Airways
Deal found 30/3C$ 2,806

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 3 April 2026.

Round-trip from

C$ 2,337

One-way from

C$ 889
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

 
Customize 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 629,999 searches. Data last updated 3 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 round-trip

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

7:15 a.m.-12:55 p.m.

2 stops39h 40m

Cairns

Mon 27/4

6:20 p.m.-10:55 p.m.

2 stops42h 35m

C$ 2,380

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

9:00 p.m.-9:50 a.m.

2 stops46h 50m

Cairns

Mon 27/4

1:40 p.m.-5:00 p.m.

2 stops41h 20m

C$ 2,604

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

9:35 p.m.-11:20 p.m.

2 stops35h 45m

Cairns

Sat 16/5

11:00 a.m.-2:45 p.m.

3 stops41h 45m

C$ 2,774

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

1:30 p.m.-4:30 a.m.

1 stop25h 00m

Cairns

Mon 27/4

6:20 p.m.-2:00 p.m.

2 stops57h 40m

C$ 2,806
Quickest round-trip

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

5:40 p.m.-3:55 p.m.

2 stops32h 15m

Cairns

Sun 14/6

6:00 a.m.-8:00 p.m.

2 stops28h 00m

C$ 2,849

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

6:45 p.m.-11:10 a.m.

3 stops50h 25m

Cairns

Mon 27/4

7:15 p.m.-1:08 a.m.

2 stops43h 53m

C$ 2,885

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 29/4

6:45 p.m.-3:55 p.m.

1 stop31h 10m

Cairns

Sat 16/5

4:35 p.m.-3:56 p.m.

2 stops37h 21m

C$ 2,894

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

3:48 p.m.-11:50 a.m.

2 stops30h 02m

Cairns

Sun 14/6

11:20 a.m.-11:44 a.m.

3 stops38h 24m

C$ 2,942

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:15 a.m.-4:55 p.m.

3 stops43h 40m

Cairns

Sat 16/5

10:15 a.m.-11:45 p.m.

3 stops51h 30m

C$ 3,481

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

6:50 p.m.-5:30 a.m.

3 stops44h 40m

Cairns

Sun 14/6

7:00 p.m.-4:55 p.m.

3 stops59h 55m

C$ 4,234

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 15 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 round-trip 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?

    There are many flights that can get you from Region of Ontario to Cairns in 32h 15m. Fly via Qantas Airways, Qatar Airways, or United Airlines to get the fastest option. Region of Ontario and Cairns are separated by a distance of 15163 km. This flight may include one or multiple 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 vacation 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Cairns

Discover the top airline that operate flights from Ontario to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,680AverageC$ 1,825FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Cairns?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Cairns?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Cairns by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Cairns with no change fees?

Certainly. Search results for flights to Cairns from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Cairns become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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