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Cheap flights from Ontario to Cairns from $1,025

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Cairns

Keep the following information in mind while searching for Ontario to Cairns flight deals. Data was last updated 17 October 2025.

Round-trip from

$2,641

One-way from

$1,025
Qatar Airways
  • Qatar Airways
  • 12/11-19/11
  • 4 total stops
  • 95h 00m total
  • Ontario to Cairns
Search Deals
30/11
  • 30/11
  • 2 total stops
  • 45h 20m total
  • Ontario to Cairns
Search Deals

Find 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 17 October 2025.

Wed 12/1120:50YUL - CNS
2 stops35h 15mQatar Airways
Wed 19/1117:20CNS - YUL
2 stops59h 45mQatar Airways
Deal found 15/10$2,641
Wed 12/1122:30YUL - CNS
3 stops46h 05mMultiple Airlines
Wed 19/1112:35CNS - YUL
3 stops45h 51mMultiple Airlines
Deal found 15/10$2,751
Sun 9/1120:50YUL - CNS
2 stops35h 15mQatar Airways
Sat 15/1114:40CNS - YUL
2 stops62h 25mQatar Airways
Deal found 17/10$2,782
Sun 9/1108:05YUL - CNS
2 stops29h 30mMultiple Airlines
Sat 15/1106:00CNS - YUL
3 stops28h 14mMultiple Airlines
Deal found 17/10$2,975

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 17 October 2025.
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

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

20:50-23:05

2 stops35h 15m

Cairns

Wed 19/11

17:20-14:05

2 stops59h 45m

$2,641

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

20:50-23:05

2 stops35h 15m

Cairns

Sun 15/2

09:15-14:05

2 stops43h 50m

$2,691

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

22:30-11:35

3 stops46h 05m

Cairns

Wed 19/11

12:35-19:26

3 stops45h 51m

$2,751

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

20:50-23:05

2 stops35h 15m

Cairns

Sat 15/11

14:40-14:05

2 stops62h 25m

$2,782

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:40-18:20

2 stops33h 40m

Cairns

Mon 27/4

06:00-17:02

2 stops25h 02m

$2,811

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

07:30-14:00

2 stops39h 30m

Cairns

Mon 16/2

06:00-06:44

2 stops39h 44m

$2,922

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

08:05-04:35

2 stops29h 30m

Cairns

Sat 15/11

06:00-19:14

3 stops28h 14m

$2,975

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 9/2

17:14-16:50

2 stops32h 36m

Cairns

Fri 13/2

14:50-16:24

2 stops40h 34m

$3,192

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

07:09-18:20

3 stops45h 11m

Cairns

Mon 27/4

07:00-23:00

2 stops30h 00m

$3,355

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

16:15-04:35

2 stops45h 20m

$1,025

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 22 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.

  • 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 35h 15m. The time it takes to get you to your destination can typically vary by up to 4h 15m. 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
Trinity Beach
Mission Beach

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Cairns?

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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.

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