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Cheap flights from Ontario to Cairns from $1,094

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
10 Mar — 17 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 8 February 2026.

Mon 23/317:14
YYZ
-
CNS
2 stops30h 51m
Multiple Airlines
Wed 29/411:20
CNS
-
YYZ
3 stops32h 50m
Multiple Airlines
Deal found 7/2$2,280
Mon 13/418:45
YYZ
-
CNS
2 stops32h 25m
Multiple Airlines
Mon 27/415:35
CNS
-
YYZ
2 stops37h 58m
Multiple Airlines
Deal found 5/2$2,328
Sun 3/510:00
YYZ
-
CNS
2 stops39h 55m
Air Canada
Thu 7/506:00
CNS
-
YYZ
2 stops25h 38m
Air Canada
Deal found 7/2$2,580
Mon 13/414:45
YYZ
-
CNS
2 stops31h 05m
Qantas Airways
Mon 27/409:00
CNS
-
YYZ
3 stops35h 10m
Qantas Airways
Deal found 4/2$2,714
Sun 15/210:10
YUL
-
CNS
2 stops32h 45m
Cathay Pacific
Thu 19/211:25
CNS
-
YUL
2 stops28h 13m
Cathay Pacific
Deal found 5/2$2,918
Sun 15/216:10
YUL
-
CNS
3 stops31h 45m
Air Canada
Thu 19/206:00
CNS
-
YUL
2 stops30h 00m
Air Canada
Deal found 6/2$8,267

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 8 February 2026.

Round-trip from

$2,280

One-way from

$1,201
23/3-29/4
  • 23/3-29/4
  • 5 total stops
  • 63h 41m 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 8 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

17:14-14:05

2 stops30h 51m

Cairns

Wed 29/4

11:20-06:10

3 stops32h 50m

$2,280

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:45-17:10

2 stops32h 25m

Cairns

Mon 27/4

15:35-15:33

2 stops37h 58m

$2,328

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 3/5

19:00-15:55

2 stops30h 55m

Cairns

Thu 7/5

06:00-21:05

2 stops29h 05m

$2,580

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

19:20-11:40

3 stops50h 20m

$1,094

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 4/3

18:45-11:35

2 stops49h 50m

$1,201

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

21:35-23:20

2 stops59h 45m

$1,257

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

18:35-11:10

2 stops26h 35m

$1,948

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

13:05-04:30

1 stop25h 25m

$1,971

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 2/3

14:45-13:50

3 stops56h 05m

$3,836

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 1/3

14:45-15:10

3 stops57h 25m

$3,907

Flights are sorted by cheapest return flights first.

Deals found on 7/2

Showing 1-10 of 11 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 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.

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

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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