Find flights
When to book
FAQs

Cheap flights from Ontario to Cairns from $1,105

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

$2,582

One-way from

$1,105
Cathay Pacific
  • Cathay Pacific
  • 17/1-5/2
  • 2 total stops
  • 66h 55m total
  • Ontario to Cairns
Search Deals
12/4
  • 12/4
  • 3 total stops
  • 43h 55m 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 7 November 2025.

Fri 21/1121:30YUL - CNS
3 stops51h 45mMultiple Airlines
Fri 5/1206:00CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 6/11$2,659
Wed 19/1118:20YUL - CNS
2 stops47h 15mMultiple Airlines
Wed 3/1206:00CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 6/11$2,704
Tue 18/1118:20YUL - CNS
2 stops31h 55mMultiple Airlines
Wed 3/1206:00CNS - YUL
2 stops28h 25mMultiple Airlines
Deal found 6/11$2,742
Sat 22/1118:20YUL - CNS
2 stops34h 30mMultiple Airlines
Fri 5/1214:25CNS - YUL
2 stops41h 35mMultiple Airlines
Deal found 6/11$2,810
Sat 22/1118:20YUL - CNS
2 stops34h 30mMultiple Airlines
Sat 6/1206:00CNS - YUL
2 stops28h 26mMultiple Airlines
Deal found 6/11$2,812
Thu 20/1118:20YUL - CNS
2 stops31h 55mMultiple Airlines
Wed 3/1206:00CNS - YUL
2 stops28h 25mMultiple Airlines
Deal found 6/11$2,813
Wed 26/1113:25YUL - CNS
2 stops36h 50mMultiple Airlines
Thu 11/1206:40CNS - YUL
2 stops29h 20mMultiple Airlines
Deal found 6/11$2,827
Wed 26/1113:25YUL - CNS
2 stops36h 15mMultiple Airlines
Wed 10/1215:45CNS - YUL
2 stops44h 15mMultiple Airlines
Deal found 6/11$2,836
Tue 18/1118:20YUL - CNS
2 stops28h 40mMultiple Airlines
Thu 4/1206:00CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 6/11$2,848
Tue 18/1107:30YUL - CNS
2 stops39h 35mMultiple Airlines
Tue 2/1217:35CNS - YUL
2 stops38h 25mMultiple Airlines
Deal found 6/11$2,850
Sat 22/1118:20YUL - CNS
2 stops34h 30mMultiple Airlines
Thu 4/1206:00CNS - YUL
2 stops28h 26mMultiple Airlines
Deal found 6/11$2,852
Tue 25/1113:25YUL - CNS
2 stops36h 50mMultiple Airlines
Thu 11/1206:40CNS - YUL
2 stops39h 04mMultiple Airlines
Deal found 6/11$2,876

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 7 November 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

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sun 18/1

13:55-09:55

1 stop29h 00m

Cairns

Thu 5/2

11:25-21:00

1 stop24h 35m

$2,582

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

18:20-08:35

2 stops47h 15m

Cairns

Wed 3/12

06:00-17:00

2 stops26h 00m

$2,704

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:40-13:10

2 stops28h 30m

Cairns

Mon 27/4

06:00-01:08

2 stops33h 08m

$2,799

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 17/1

00:35-09:55

1 stop42h 20m

Cairns

Thu 5/2

15:35-12:15

2 stops35h 40m

$2,872

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

$2,873

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

07:30-16:15

2 stops41h 45m

Cairns

Tue 2/12

17:35-17:00

2 stops38h 25m

$2,932

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

18:20-17:30

2 stops32h 10m

Cairns

Sat 13/12

06:00-21:00

2 stops30h 00m

$2,944

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

17:10-14:55

3 stops54h 45m

Cairns

Wed 10/12

15:45-21:00

2 stops44h 15m

$2,978

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

07:30-14:00

2 stops39h 30m

Cairns

Sat 6/12

06:00-06:44

2 stops39h 44m

$3,033

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

20:50-08:35

2 stops44h 45m

Cairns

Fri 12/12

23:55-14:05

2 stops53h 10m

$3,039

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 17 results
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 Cathay Pacific and Qatar Airways fly from Region of Ontario to Cairns in about 29h. The time it takes to get you to your destination can typically vary by up to 6h 15m. Region of Ontario and Cairns are separated by a distance of 14820 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

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.