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Cheap flights from Ontario to Cairns from C$ 775

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
14 Mar — 21 Mar1
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 12 February 2026.

Sat 1/87:15 a.m.
YUL
-
CNS
3 stops38h 25m
Multiple Airlines
Mon 10/812:40 p.m.
CNS
-
YUL
3 stops32h 25m
Multiple Airlines
Deal found 8/2C$ 1,780
Mon 23/38:50 p.m.
YYZ
-
CNS
2 stops30h 25m
Multiple Airlines
Tue 28/47:10 p.m.
CNS
-
YYZ
2 stops37h 47m
Multiple Airlines
Deal found 11/2C$ 2,146
Fri 31/75:30 p.m.
YUL
-
CNS
2 stops27h 15m
Multiple Airlines
Sun 9/811:55 a.m.
CNS
-
YUL
2 stops32h 20m
Multiple Airlines
Deal found 8/2C$ 2,153
Mon 23/35:14 p.m.
YYZ
-
CNS
2 stops27h 46m
Multiple Airlines
Wed 29/411:20 a.m.
CNS
-
YYZ
3 stops32h 50m
Multiple Airlines
Deal found 9/2C$ 2,168
Sun 22/36:40 p.m.
YYZ
-
CNS
2 stops47h 40m
Multiple Airlines
Tue 28/47:10 p.m.
CNS
-
YYZ
2 stops35h 52m
Multiple Airlines
Deal found 9/2C$ 2,181
Sun 2/88:10 a.m.
YUL
-
CNS
2 stops36h 35m
Air New Zealand
Mon 10/811:55 a.m.
CNS
-
YUL
2 stops32h 48m
Air New Zealand
Deal found 8/2C$ 2,206
Fri 31/74:30 p.m.
YUL
-
CNS
2 stops28h 15m
Air New Zealand
Mon 10/811:55 a.m.
CNS
-
YUL
2 stops32h 48m
Air New Zealand
Deal found 8/2C$ 2,214
Mon 13/48:10 p.m.
YYZ
-
CNS
2 stops31h 00m
Multiple Airlines
Mon 27/43:35 p.m.
CNS
-
YYZ
2 stops38h 21m
Multiple Airlines
Deal found 8/2C$ 2,215
Tue 21/410:00 a.m.
YYZ
-
CNS
2 stops35h 40m
Multiple Airlines
Tue 1/93:45 p.m.
CNS
-
YYZ
2 stops28h 37m
Multiple Airlines
Deal found 11/2C$ 2,250
Sat 1/84:50 p.m.
YUL
-
CNS
2 stops27h 55m
Air New Zealand
Mon 10/811:55 a.m.
CNS
-
YUL
2 stops32h 48m
Air New Zealand
Deal found 8/2C$ 2,253
Thu 30/74:30 p.m.
YUL
-
CNS
2 stops28h 15m
Air New Zealand
Sun 9/811:55 a.m.
CNS
-
YUL
2 stops32h 48m
Air New Zealand
Deal found 8/2C$ 2,309
Mon 3/89:30 p.m.
YUL
-
CNS
2 stops52h 25m
Air Canada
Sat 8/84:35 p.m.
CNS
-
YUL
2 stops51h 40m
Air Canada
Deal found 8/2C$ 2,360

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 12 February 2026.

Round-trip from

C$ 1,780

One-way from

C$ 775
1/8-10/8
  • 1/8-10/8
  • 6 total stops
  • 70h 50m total
  • Ontario to Cairns
Search Deals
2/3
  • 2/3
  • 3 total stops
  • 46h 20m 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 12 February 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

Mon 23/3

6:40 p.m.-5:15 p.m.

2 stops32h 35m

Cairns

Tue 28/4

7:10 p.m.-6:57 p.m.

2 stops37h 47m

C$ 2,146

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 23/3

5:14 p.m.-11:00 a.m.

2 stops27h 46m

Cairns

Wed 29/4

11:20 a.m.-6:10 a.m.

3 stops32h 50m

C$ 2,168

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

8:10 a.m.-10:45 a.m.

2 stops36h 35m

Cairns

Sun 9/8

11:55 a.m.-6:43 a.m.

2 stops32h 48m

C$ 2,206

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 22/3

6:40 p.m.-8:20 a.m.

2 stops47h 40m

Cairns

Tue 28/4

7:10 p.m.-6:57 p.m.

2 stops37h 47m

C$ 2,211

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 21/4

10:00 a.m.-11:40 a.m.

2 stops35h 40m

Cairns

Tue 1/9

3:45 p.m.-6:22 a.m.

2 stops28h 37m

C$ 2,250

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

5:30 p.m.-10:45 a.m.

2 stops27h 15m

Cairns

Tue 11/8

11:55 a.m.-6:43 a.m.

2 stops32h 48m

C$ 2,309

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

5:30 p.m.-10:45 a.m.

2 stops27h 15m

Cairns

Sun 9/8

11:55 a.m.-6:43 a.m.

2 stops32h 48m

C$ 2,309

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

6:45 p.m.-5:10 p.m.

2 stops32h 25m

Cairns

Mon 27/4

7:10 p.m.-6:57 p.m.

2 stops37h 47m

C$ 2,314

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 14/4

6:45 p.m.-1:40 p.m.

1 stop28h 55m

Cairns

Tue 1/9

9:40 p.m.-4:29 p.m.

2 stops56h 49m

C$ 2,359

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

9:30 p.m.-3:55 p.m.

2 stops52h 25m

Cairns

Mon 10/8

7:15 p.m.-8:50 p.m.

2 stops39h 35m

C$ 2,360

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/2

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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 36h 35m. Fly via Air New Zealand or Air Canada 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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,636AverageC$ 1,777FlexibilityNo 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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