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Cheap flights from Ontario to Cairns from $1,204

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
18 Mar — 25 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 16 February 2026.

Tue 10/1113:30
YYZ
-
CNS
2 stops31h 05m
Multiple Airlines
Thu 10/1212:35
CNS
-
YYZ
2 stops27h 05m
Multiple Airlines
Deal found 14/2$2,081
Sat 21/320:50
YYZ
-
CNS
2 stops33h 00m
Multiple Airlines
Tue 28/419:10
CNS
-
YYZ
2 stops36h 45m
Multiple Airlines
Deal found 14/2$2,265
Mon 13/420:10
YYZ
-
CNS
2 stops31h 00m
Multiple Airlines
Mon 27/415:35
CNS
-
YYZ
2 stops38h 21m
Multiple Airlines
Deal found 15/2$2,323
Mon 23/320:50
YYZ
-
CNS
2 stops30h 25m
Multiple Airlines
Tue 28/419:10
CNS
-
YYZ
2 stops36h 45m
Multiple Airlines
Deal found 15/2$2,351
Sun 22/322:35
YYZ
-
CNS
2 stops52h 40m
Multiple Airlines
Tue 28/419:10
CNS
-
YYZ
2 stops34h 46m
Multiple Airlines
Deal found 15/2$2,358
Sun 22/317:14
YYZ
-
CNS
2 stops30h 51m
Qantas Airways
Tue 28/411:20
CNS
-
YYZ
3 stops56h 50m
Qantas Airways
Deal found 15/2$2,498
Thu 19/210:40
YUL
-
CNS
2 stops39h 10m
Emirates
Mon 23/206:00
CNS
-
YUL
2 stops64h 35m
Emirates
Deal found 13/2$4,271
Thu 19/213:25
YUL
-
CNS
2 stops33h 35m
Air Canada
Mon 23/206:00
CNS
-
YUL
2 stops39h 44m
Air Canada
Deal found 12/2$4,644
Sun 1/310:40
YUL
-
CNS
2 stops57h 05m
Emirates
Wed 1/411:35
CNS
-
YUL
2 stops58h 25m
Emirates
Deal found 13/2$7,143
Sun 1/312:59
YUL
-
CNS
3 stops31h 01m
Multiple Airlines
Wed 1/409:15
CNS
-
YUL
3 stops35h 50m
Multiple Airlines
Deal found 13/2$7,979
Mon 2/318:30
YUL
-
CNS
2 stops56h 00m
Multiple Airlines
Wed 1/415:35
CNS
-
YUL
3 stops53h 30m
Multiple Airlines
Deal found 13/2$27,760

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 16 February 2026.

Round-trip from

$2,265

One-way from

$1,204
21/3-28/4
  • 21/3-28/4
  • 4 total stops
  • 67h 46m total
  • Ontario to Cairns
Search Deals
4/3
  • 4/3
  • 2 total stops
  • 49h 50m 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 16 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

Sat 21/3

20:50-19:50

2 stops33h 00m

Cairns

Tue 28/4

19:10-17:55

2 stops36h 45m

$2,265

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

20:10-17:10

2 stops31h 00m

Cairns

Mon 27/4

15:35-15:56

2 stops38h 21m

$2,323

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 23/3

20:50-17:15

2 stops30h 25m

Cairns

Tue 28/4

19:10-17:55

2 stops36h 45m

$2,351

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 22/3

22:35-17:15

2 stops52h 40m

Cairns

Tue 28/4

19:10-15:56

2 stops34h 46m

$2,358

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

10:40-10:45

2 stops57h 05m

Cairns

Wed 1/4

11:35-08:00

2 stops58h 25m

$7,143

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

12:59-11:00

3 stops31h 01m

Cairns

Wed 1/4

09:15-07:05

3 stops35h 50m

$7,979

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

18:30-17:30

2 stops56h 00m

Cairns

Wed 1/4

15:35-07:05

3 stops53h 30m

$27,760

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 4/3

18:45-11:35

2 stops49h 50m

$1,204

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

17:30-05:55

2 stops46h 25m

$1,892

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

08:30-11:10

2 stops36h 40m

$1,947

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 12 results
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 Emirates fly from Region of Ontario to Cairns in about 57h 05m. 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 15163 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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When you search for this flight from Ontario to Cairns, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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.

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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