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Cheap flights from Ontario to Cairns from $1,007

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
2 Jun — 9 Jun1
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 3 May 2026.

Sat 7/1107:00
YYZ
-
CNS
2 stops40h 00m
Air Canada
Wed 11/1106:00
CNS
-
YYZ
2 stops29h 39m
Air Canada
Deal found 28/4$2,490
Thu 5/1118:00
YYZ
-
CNS
2 stops29h 55m
Air Canada
Mon 9/1106:00
CNS
-
YYZ
2 stops39h 39m
Air Canada
Deal found 29/4$2,565
Sun 8/1109:00
YUL
-
CNS
2 stops38h 55m
Air Canada
Thu 12/1106:00
CNS
-
YUL
2 stops26h 03m
Air Canada
Deal found 29/4$2,611
Wed 17/621:35
YUL
-
CNS
2 stops46h 15m
Qatar Airways
Wed 24/621:00
CNS
-
YUL
2 stops55h 45m
Qatar Airways
Deal found 3/5$2,691
Thu 23/721:00
YYZ
-
CNS
2 stops46h 50m
Multiple Airlines
Mon 23/1119:15
CNS
-
YYZ
2 stops34h 25m
Multiple Airlines
Deal found 29/4$2,765
Fri 24/721:00
YYZ
-
CNS
2 stops46h 50m
Multiple Airlines
Mon 23/1119:15
CNS
-
YYZ
2 stops34h 25m
Multiple Airlines
Deal found 29/4$2,952
Sat 23/512:30
YUL
-
CNS
3 stops36h 30m
Multiple Airlines
Sun 14/615:45
CNS
-
YUL
3 stops33h 57m
Multiple Airlines
Deal found 28/4$2,981
Fri 24/708:30
YYZ
-
CNS
3 stops48h 15m
Air New Zealand
Mon 23/1106:00
CNS
-
YYZ
3 stops32h 52m
Air New Zealand
Deal found 29/4$3,378

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 3 May 2026.

Round-trip from

$2,765

One-way from

$1,007
23/7-23/11
  • 23/7-23/11
  • 4 total stops
  • 81h 15m total
  • Ontario to Cairns
Search Deals
13/6
  • 13/6
  • 3 total stops
  • 38h 20m 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 3 May 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 - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

21:35-09:50

2 stops46h 15m

Cairns

Wed 24/6

21:00-14:45

2 stops55h 45m

$2,691

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 23/7

21:00-09:50

2 stops46h 50m

Cairns

Mon 23/11

19:15-14:40

2 stops34h 25m

$2,765

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 24/7

21:00-09:50

2 stops46h 50m

Cairns

Mon 23/11

19:15-14:40

2 stops34h 25m

$2,952

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

12:30-15:00

3 stops36h 30m

Cairns

Sun 14/6

15:45-11:42

3 stops33h 57m

$2,981

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 24/7

08:30-22:45

3 stops48h 15m

Cairns

Mon 23/11

06:00-23:52

3 stops32h 52m

$3,378

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

16:55-15:55

2 stops33h 00m

Cairns

Sun 14/6

06:00-20:00

2 stops28h 00m

$3,420

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

12:30-10:35

3 stops32h 05m

Cairns

Wed 24/6

15:45-10:40

3 stops32h 55m

$3,790

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

12:30-18:25

3 stops39h 55m

Cairns

Sat 1/8

09:10-23:45

3 stops52h 35m

$3,808
Fastest return journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 12/10

17:16-11:10

2 stops27h 54m

Cairns

Thu 22/10

06:00-19:40

2 stops27h 40m

$4,586

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 11/8

17:35-17:00

2 stops57h 25m

Cairns

Mon 24/8

18:15-00:13

3 stops43h 58m

$5,629

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 19 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 New Zealand fly from Region of Ontario to Cairns in about 46h 15m. The time it takes to get you to your destination can typically vary by up to 2h. 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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