Find flights
When to book
FAQs

Cheap flights from Ontario to Cairns from $823

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
19 May — 26 May1
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 19 April 2026.

Fri 8/521:00
YYZ
-
CNS
2 stops42h 30m
Multiple Airlines
Fri 12/619:00
CNS
-
YYZ
2 stops36h 00m
Multiple Airlines
Deal found 16/4$2,253
Fri 6/1120:50
YUL
-
CNS
2 stops60h 05m
Qatar Airways
Tue 10/1123:55
CNS
-
YUL
2 stops53h 10m
Qatar Airways
Deal found 14/4$2,374
Sun 6/918:35
YUL
-
CNS
2 stops26h 35m
Multiple Airlines
Wed 23/906:00
CNS
-
YUL
2 stops32h 39m
Multiple Airlines
Deal found 19/4$2,397
Thu 10/922:25
YYZ
-
CNS
2 stops51h 30m
Air Canada
Mon 14/919:15
CNS
-
YYZ
2 stops51h 45m
Air Canada
Deal found 18/4$2,441
Fri 29/506:15
YYZ
-
CNS
3 stops47h 15m
Multiple Airlines
Fri 5/610:15
CNS
-
YYZ
3 stops34h 40m
Multiple Airlines
Deal found 14/4$2,455
Fri 6/1118:20
YUL
-
CNS
2 stops28h 40m
Air Canada
Tue 10/1106:00
CNS
-
YUL
2 stops30h 06m
Air Canada
Deal found 18/4$2,483
Wed 11/1120:10
YYZ
-
CNS
2 stops47h 55m
Multiple Airlines
Wed 18/1119:15
CNS
-
YYZ
2 stops34h 25m
Multiple Airlines
Deal found 14/4$2,484
Tue 2/621:00
YYZ
-
CNS
2 stops55h 25m
Multiple Airlines
Tue 9/611:00
CNS
-
YYZ
3 stops44h 00m
Multiple Airlines
Deal found 18/4$2,551
Sun 31/521:00
YYZ
-
CNS
3 stops46h 45m
Multiple Airlines
Sun 7/613:40
CNS
-
YYZ
2 stops41h 20m
Multiple Airlines
Deal found 15/4$2,568
Wed 3/616:55
YUL
-
CNS
2 stops28h 20m
Multiple Airlines
Wed 10/609:10
CNS
-
YUL
2 stops35h 41m
Multiple Airlines
Deal found 19/4$2,574
Wed 13/521:35
YUL
-
CNS
2 stops46h 15m
Multiple Airlines
Wed 10/611:00
CNS
-
YUL
3 stops67h 10m
Multiple Airlines
Deal found 15/4$2,703
Sun 6/909:10
YUL
-
CNS
3 stops40h 45m
Air Canada
Wed 23/906:00
CNS
-
YUL
2 stops32h 39m
Air Canada
Deal found 19/4$2,766

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 19 April 2026.

Round-trip from

$2,253

One-way from

$823
8/5-12/6
  • 8/5-12/6
  • 4 total stops
  • 78h 30m total
  • Ontario to Cairns
Search Deals
29/5
  • 29/5
  • 3 total stops
  • 47h 10m 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 19 April 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

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 8/5

21:00-05:30

2 stops42h 30m

Cairns

Fri 12/6

19:00-17:00

2 stops36h 00m

$2,342

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 10/9

22:25-15:55

2 stops51h 30m

Cairns

Mon 14/9

19:15-09:00

2 stops51h 45m

$2,441

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 29/5

06:15-19:30

3 stops47h 15m

Cairns

Fri 5/6

10:15-06:55

3 stops34h 40m

$2,455

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 2/6

21:00-18:25

2 stops55h 25m

Cairns

Tue 9/6

11:00-17:00

3 stops44h 00m

$2,551

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 31/5

21:00-09:45

3 stops46h 45m

Cairns

Sun 7/6

13:40-17:00

2 stops41h 20m

$2,568

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

09:10-21:00

3 stops45h 50m

Cairns

Wed 10/6

06:00-06:51

2 stops38h 51m

$2,593

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 10/9

21:00-15:55

2 stops52h 55m

Cairns

Mon 14/9

10:30-15:00

2 stops42h 30m

$2,643
Fastest return journey

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

13:05-04:30

1 stop25h 25m

Cairns

Wed 23/9

06:00-00:39

2 stops32h 39m

$2,652

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

21:35-09:50

2 stops46h 15m

Cairns

Wed 10/6

19:00-16:10

2 stops59h 10m

$2,703

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

07:15-11:15

3 stops38h 00m

Cairns

Tue 26/5

06:45-23:45

3 stops55h 00m

$2,825

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 18 resultsSorted by cheapest first
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 Air Canada fly from Region of Ontario to Cairns in about 51h 30m. 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 14820 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.