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Cheap flights from Cairns to Ontario from $1,041

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — YYZ
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Cairns to Ontario

Keep the following information in mind while searching for Cairns to Ontario flight deals. Data was last updated 29 August 2025.

Round-trip from

$1,979

One-way from

$1,041
Cathay Pacific
  • Cathay Pacific
  • 20/10-19/11
  • 4 total stops
  • 93h 35m total
  • Cairns to Ontario
Search Deals
12/10
  • 12/10
  • 3 total stops
  • 57h 24m total
  • Cairns to Ontario
Search Deals

Find flight deals from Cairns to Ontario

Cheapest flights from Cairns to Ontario
Explore the most affordable flight options available from Cairns to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Mon 20/1017:20CNS - YYZ
2 stops50h 25mCathay Pacific
Wed 19/1100:35YYZ - CNS
2 stops43h 10mCathay Pacific
Deal found 28/8$1,979
Mon 20/1007:00CNS - YYZ
3 stops38h 00mMultiple Airlines
Thu 20/1113:55YYZ - CNS
2 stops35h 20mMultiple Airlines
Deal found 27/8$2,357
Sun 12/1009:05CNS - YUL
2 stops53h 31mMultiple Airlines
Sun 19/1013:15YUL - CNS
2 stops53h 10mMultiple Airlines
Deal found 28/8$2,364
Thu 11/1206:00CNS - YUL
2 stops28h 31mAir Canada
Tue 16/1209:00YUL - CNS
2 stops38h 00mAir Canada
Deal found 28/8$3,486
Tue 9/1217:20CNS - YUL
2 stops35h 45mQatar Airways
Sun 21/1220:50YUL - CNS
2 stops35h 15mQatar Airways
Deal found 29/8$3,518
Tue 9/1217:20CNS - YUL
2 stops35h 45mQatar Airways
Wed 17/1220:50YUL - CNS
2 stops35h 15mQatar Airways
Deal found 29/8$3,674
Thu 11/1209:00CNS - YUL
2 stops27h 00mMultiple Airlines
Tue 16/1212:30YUL - CNS
1 stop25h 05mMultiple Airlines
Deal found 28/8$3,685
Thu 11/1209:15CNS - YUL
2 stops43h 50mMultiple Airlines
Fri 19/1220:50YUL - CNS
2 stops35h 15mMultiple Airlines
Deal found 28/8$3,752
Tue 9/1206:00CNS - YUL
3 stops31h 40mMultiple Airlines
Sun 21/1212:59YUL - CNS
3 stops31h 51mMultiple Airlines
Deal found 29/8$3,889

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to Ontario 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 29 August 2025.
Use the filters below to find and compare flights from Cairns to Ontario that are best for you.

Fly from

Cairns

Fly to

Ontario

Route

Depart

Return

Price

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Mon 20/10

17:20-13:50

2 stops58h 30m

Toronto Pearson Intl

Thu 20/11

13:55-10:45

2 stops53h 50m

$1,979

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Mon 20/10

07:00-07:00

3 stops38h 00m

Toronto Pearson Intl

Thu 20/11

13:55-16:15

2 stops35h 20m

$2,357

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Sun 12/10

09:05-00:36

2 stops53h 31m

Montreal Pierre Elliott Trudeau Intl

Sun 19/10

13:15-08:25

2 stops53h 10m

$2,364

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Thu 11/12

06:00-19:31

2 stops28h 31m

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

09:00-14:00

2 stops38h 00m

$3,486

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Tue 9/12

17:20-14:05

2 stops35h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

20:50-23:05

2 stops35h 15m

$3,518

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Tue 9/12

17:20-14:05

2 stops35h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

20:50-23:05

2 stops35h 15m

$3,674

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Thu 11/12

09:00-21:00

2 stops27h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

12:30-04:35

1 stop25h 05m

$3,685

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Thu 11/12

09:15-14:05

2 stops43h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 19/12

20:50-23:05

2 stops35h 15m

$3,752

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Sun 12/10

11:40-07:04

3 stops57h 24m

$1,041

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Thu 20/11

06:00-20:20

2 stops53h 20m

$1,058

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 17 results
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Best time to book a flight from Cairns to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Cairns 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 Cairns to Ontario
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 Cairns to Ontario. 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 from for flights from Cairns to Ontario?

    Most people fly from Cairns (CNS) if they book a flight from Cairns to Ontario. Cairns is conveniently located just 4.4 km from Cairns’s city centre.

  • How long is the flight from Cairns to Region of Ontario?

    Departing from Cairns to Region of Ontario will take you 28h 31m. The distance from Cairns to Region of Ontario is about 15163 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Cairns to Ontario that include hotel bookings?

    Yes. In addition to deals on Cairns to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cairns to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cairns to Ontario.

  • Can I find deals for business class flights from Cairns to Ontario?

    Yes. Cheapflights offers flight deals from Cairns to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cairns to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from Cairns to Region of Ontario (average of $1,218). Flying from Cairns to Region of Ontario in December is currently the most expensive (average of $1,984). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Can Cheapflights find flights from Cairns to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Cairns? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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