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Cheap flights from Ontario to Cairns from C$ 1,578

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
29 Nov — 6 Dec1
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 30 October 2025.

Round-trip from

C$ 2,092

One-way from

C$ 1,578
10/11-23/11
  • 10/11-23/11
  • 4 total stops
  • 84h 10m total
  • Ontario to Cairns
Search Deals
4/11
  • 4/11
  • 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 30 October 2025.

Mon 10/111:25 p.m.YUL - CNS
2 stops36h 50mMultiple Airlines
Tue 25/116:00 a.m.CNS - YUL
2 stops28h 26mMultiple Airlines
Deal found 30/10C$ 2,634
Mon 10/111:25 p.m.YUL - CNS
2 stops42h 40mMultiple Airlines
Mon 24/112:25 p.m.CNS - YUL
2 stops41h 35mMultiple Airlines
Deal found 30/10C$ 2,636
Mon 10/111:25 p.m.YUL - CNS
2 stops36h 50mMultiple Airlines
Sun 23/116:00 a.m.CNS - YUL
2 stops30h 00mMultiple Airlines
Deal found 30/10C$ 2,701
Tue 11/116:20 p.m.YUL - CNS
2 stops31h 55mMultiple Airlines
Tue 25/116:00 a.m.CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 30/10C$ 2,738
Wed 12/118:50 p.m.YUL - CNS
2 stops35h 15mQatar Airways
Sat 22/112:40 p.m.CNS - YUL
2 stops38h 25mQatar Airways
Deal found 30/10C$ 2,755
Tue 11/118:50 p.m.YUL - CNS
2 stops59h 15mQatar Airways
Sat 22/112:40 p.m.CNS - YUL
2 stops38h 25mQatar Airways
Deal found 30/10C$ 2,761
Wed 12/118:50 p.m.YUL - CNS
2 stops35h 15mQatar Airways
Tue 25/119:15 a.m.CNS - YUL
2 stops43h 50mQatar Airways
Deal found 30/10C$ 2,853
Tue 11/116:20 p.m.YUL - CNS
2 stops31h 55mMultiple Airlines
Sun 23/116:00 a.m.CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 30/10C$ 2,856
Sun 9/118:50 p.m.YUL - CNS
2 stops35h 15mQatar Airways
Sat 22/112:40 p.m.CNS - YUL
2 stops38h 25mQatar Airways
Deal found 30/10C$ 2,891
Tue 11/111:25 p.m.YUL - CNS
2 stops36h 50mMultiple Airlines
Mon 24/116:05 p.m.CNS - YUL
2 stops37h 55mMultiple Airlines
Deal found 30/10C$ 2,893
Sun 9/118:50 p.m.YUL - CNS
2 stops35h 15mQatar Airways
Tue 25/115:20 p.m.CNS - YUL
2 stops35h 45mQatar Airways
Deal found 30/10C$ 2,941

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 30 October 2025.
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

Sun 18/1

1:55 p.m.-9:55 a.m.

1 stop29h 00m

Cairns

Thu 5/2

11:25 a.m.-9:00 p.m.

1 stop24h 35m

C$ 2,364

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

8:50 p.m.-11:05 p.m.

2 stops35h 15m

Cairns

Sun 15/2

9:15 a.m.-2:05 p.m.

2 stops43h 50m

C$ 2,438

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

6:40 p.m.-6:20 p.m.

2 stops33h 40m

Cairns

Mon 27/4

6:00 a.m.-5:02 p.m.

2 stops25h 02m

C$ 2,562

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 17/1

12:35 a.m.-9:55 a.m.

1 stop42h 20m

Cairns

Thu 5/2

7:30 p.m.-9:00 p.m.

2 stops40h 30m

C$ 2,656

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

1:25 p.m.-7:50 p.m.

2 stops39h 25m

Cairns

Mon 24/11

5:00 p.m.-7:53 p.m.

3 stops41h 53m

C$ 2,664

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

1:25 p.m.-5:15 p.m.

2 stops36h 50m

Cairns

Sun 23/11

6:00 a.m.-9:00 p.m.

2 stops30h 00m

C$ 2,701

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

8:50 p.m.-11:05 p.m.

2 stops35h 15m

Cairns

Sat 22/11

2:40 p.m.-2:05 p.m.

2 stops38h 25m

C$ 2,755

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

8:50 p.m.-11:05 p.m.

2 stops59h 15m

Cairns

Sat 22/11

2:40 p.m.-2:05 p.m.

2 stops38h 25m

C$ 2,761

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

8:50 p.m.-11:05 p.m.

2 stops35h 15m

Cairns

Tue 25/11

9:15 a.m.-2:05 p.m.

2 stops43h 50m

C$ 2,853

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

8:50 p.m.-11:05 p.m.

2 stops35h 15m

Cairns

Sat 22/11

2:40 p.m.-2:05 p.m.

2 stops38h 25m

C$ 2,891

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 15 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 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 29h. Fly via Cathay Pacific or Qatar Airways to get the fastest option. Region of Ontario and Cairns are separated by a distance of 14820 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

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Alternative routes for Ontario to Cairns

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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.

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