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Cheap flights from Ontario to Cairns from $1,762

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
5 Apr — 12 Apr1
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 6 March 2026.

Thu 30/407:15
YUL
-
CNS
3 stops38h 25m
Multiple Airlines
Thu 21/512:40
CNS
-
YUL
3 stops32h 25m
Multiple Airlines
Deal found 5/3$1,762
Thu 3/918:35
YYZ
-
CNS
2 stops27h 05m
Multiple Airlines
Mon 21/913:55
CNS
-
YYZ
2 stops45h 25m
Multiple Airlines
Deal found 1/3$2,285
Sat 21/318:40
YYZ
-
CNS
2 stops47h 40m
Multiple Airlines
Tue 28/419:10
CNS
-
YYZ
2 stops37h 47m
Multiple Airlines
Deal found 1/3$2,318
Sun 22/314:55
YYZ
-
CNS
2 stops35h 55m
Multiple Airlines
Tue 28/406:00
CNS
-
YYZ
2 stops46h 00m
Multiple Airlines
Deal found 1/3$2,342
Thu 9/718:55
YYZ
-
CNS
2 stops26h 45m
Multiple Airlines
Thu 23/712:40
CNS
-
YYZ
2 stops30h 50m
Multiple Airlines
Deal found 5/3$2,396
Mon 13/421:00
YYZ
-
CNS
2 stops48h 25m
Qatar Airways
Mon 27/419:15
CNS
-
YYZ
2 stops57h 45m
Qatar Airways
Deal found 5/3$2,429
Mon 13/418:45
YYZ
-
CNS
2 stops32h 25m
Multiple Airlines
Mon 27/406:00
CNS
-
YYZ
2 stops33h 08m
Multiple Airlines
Deal found 1/3$2,444
Sun 8/1120:10
YYZ
-
CNS
2 stops51h 45m
Qatar Airways
Thu 12/1117:35
CNS
-
YYZ
2 stops60h 05m
Qatar Airways
Deal found 5/3$2,463
Tue 24/322:15
YYZ
-
CNS
2 stops47h 35m
Multiple Airlines
Tue 28/406:45
CNS
-
YYZ
2 stops30h 10m
Multiple Airlines
Deal found 5/3$2,486
Fri 1/520:55
YUL
-
CNS
2 stops36h 25m
Qatar Airways
Fri 22/512:10
CNS
-
YUL
2 stops64h 35m
Qatar Airways
Deal found 5/3$2,571
Thu 30/408:30
YUL
-
CNS
2 stops36h 15m
Air New Zealand
Thu 21/506:00
CNS
-
YUL
3 stops38h 51m
Air New Zealand
Deal found 5/3$2,605
Sat 19/908:10
YUL
-
CNS
2 stops46h 10m
United Airlines
Wed 23/906:00
CNS
-
YUL
2 stops27h 47m
United Airlines
Deal found 4/3$2,608

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 6 March 2026.

Round-trip from

$1,762
30/4-21/5
  • 30/4-21/5
  • 6 total stops
  • 70h 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 6 March 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

Sun 22/3

14:55-16:50

2 stops35h 55m

Cairns

Tue 28/4

06:00-14:00

2 stops46h 00m

$2,342

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 22/3

06:30-11:00

2 stops38h 30m

Cairns

Tue 28/4

06:00-16:14

2 stops24h 14m

$2,518

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 21/3

16:10-14:55

3 stops56h 45m

Cairns

Tue 28/4

06:00-00:17

2 stops32h 17m

$2,524

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

20:55-23:20

2 stops36h 25m

Cairns

Fri 22/5

12:10-14:45

2 stops64h 35m

$2,571
Fastest return journey

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

$2,713

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

08:30-15:55

2 stops41h 25m

Cairns

Mon 11/5

06:00-20:57

2 stops28h 57m

$2,716

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

06:45-17:35

3 stops44h 50m

Cairns

Sun 14/6

13:55-11:44

3 stops35h 49m

$2,753
Cheapest one-way

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 20/3

01:50-09:20

3 stops41h 30m

$4,421
Fastest single journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 24/3

07:15-11:35

2 stops38h 20m

$4,771

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 23/3

12:00-10:15

3 stops56h 15m

$5,089

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 11 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 United Airlines, Qatar Airways, and Air Canada fly from Region of Ontario to Cairns in about 36h 25m. The time it takes to get you to your destination can typically vary by up to 5h. 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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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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