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Cheap flights from Ontario to Cairns from $1,325

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
9 Sep — 16 Sep1
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 10 August 2026.

Thu 17/916:15 -
2 stops29h 25m
Thu 1/1012:40 -
2 stops46h 10m
Deal found 7/8$2,320
Sun 1/1107:45 -
3 stops37h 05m
Thu 1/406:00 -
3 stops38h 13m
Deal found 6/8$2,690
Sun 20/921:00 -
2 stops36h 20m
Sun 27/921:00 -
2 stops56h 00m
Deal found 6/8$2,878
Sun 20/918:15 -
2 stops29h 25m
Sun 27/914:35 -
3 stops34h 24m
Deal found 6/8$3,257
Mon 28/1214:10 -
2 stops30h 10m
Fri 8/106:40 -
2 stops31h 07m
Deal found 8/8$3,278

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 10 August 2026.

Round-trip from

$2,291

One-way from

$1,325
Qatar Airways
  • Qatar Airways
  • 4/2-8/2
  • 4 total stops
  • 88h 35m total
  • Ontario to Cairns
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 39h 40m 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 10 August 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 return flight

MontrealCairns

YUL Montreal Pierre Elliott Trudeau Intl - CNS Cairns

YULCNS

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

20:50-11:05

2 stops47h 15m

Cairns

Mon 8/2

11:45-14:05

2 stops41h 20m

$2,291

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Thu 4/2

20:10-11:00

2 stops47h 50m

Cairns

Mon 8/2

15:45-14:30

2 stops61h 45m

$2,820

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Sun 3/1

20:10-10:15

2 stops47h 05m

Cairns

Mon 25/1

19:15-14:30

2 stops34h 15m

$2,933

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Sun 20/9

18:15-13:40

2 stops29h 25m

Cairns

Sun 27/9

14:35-10:59

3 stops34h 24m

$3,257
Fastest return journey

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Mon 28/12

14:10-11:20

2 stops30h 10m

Cairns

Fri 8/1

06:40-22:47

2 stops31h 07m

$3,278

MontrealCairns

YUL Montreal Pierre Elliott Trudeau Intl - CNS Cairns

YULCNS

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

11:10-14:55

3 stops36h 45m

Cairns

Mon 8/2

06:00-19:35

2 stops28h 35m

$3,295

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Thu 17/9

15:50-12:55

3 stops31h 05m

Cairns

Thu 1/10

11:20-06:10

3 stops32h 50m

$3,334

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Sun 1/11

14:01-11:50

2 stops30h 49m

Cairns

Thu 1/4

09:00-06:10

3 stops35h 10m

$4,153
Cheapest one-way

MontrealCairns

YUL Montreal Pierre Elliott Trudeau Intl - CNS Cairns

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

07:15-12:55

3 stops39h 40m

$1,325
Fastest single journey

TorontoCairns

YYZ Toronto Pearson Intl - CNS Cairns

YYZCNS

Toronto Pearson Intl

Tue 5/1

09:55-11:35

2 stops34h 40m

$1,453

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 14 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 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 Qatar Airways and Air Canada fly from Region of Ontario to Cairns in about 36h 45m. The time it takes to get you to your destination can typically vary by up to 10h 30m. Region of Ontario and Cairns are separated by a distance of 15163 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with 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 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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