Find flights
When to book
FAQs

Cheap flights from Ontario to Cairns from C$ 970

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
16 Oct — 23 Oct1
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 16 September 2025.

Round-trip from

C$ 2,213

One-way from

C$ 970
8/2-16/2
  • 8/2-16/2
  • 4 total stops
  • 85h 45m total
  • Ontario to Cairns
Search Deals
8/11
  • 8/11
  • 3 total stops
  • 57h 45m total
  • Ontario to Cairns
Search Deals

Find flight deals from Ontario to Cairns

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 16 September 2025.

Tue 16/910:00 a.m.YYZ - CNS
2 stops28h 25mMultiple Airlines
Tue 23/96:50 p.m.CNS - YYZ
2 stops33h 00mMultiple Airlines
Deal found 15/9C$ 2,174
Mon 1/125:55 p.m.YYZ - CNS
2 stops31h 45mMultiple Airlines
Mon 29/126:00 a.m.CNS - YYZ
2 stops29h 54mMultiple Airlines
Deal found 15/9C$ 2,377
Wed 29/106:20 p.m.YUL - CNS
2 stops32h 20mMultiple Airlines
Wed 5/116:00 a.m.CNS - YUL
2 stops26h 00mMultiple Airlines
Deal found 14/9C$ 2,477
Mon 13/106:45 a.m.YYZ - CNS
3 stops31h 40mMultiple Airlines
Mon 20/1012:40 p.m.CNS - YYZ
3 stops32h 12mMultiple Airlines
Deal found 14/9C$ 2,528
Wed 3/121:30 p.m.YYZ - CNS
2 stops33h 20mQantas Airways
Tue 6/19:20 a.m.CNS - YYZ
2 stops46h 04mQantas Airways
Deal found 15/9C$ 2,574
Tue 16/95:20 p.m.YYZ - CNS
2 stops29h 35mQantas Airways
Tue 23/99:30 p.m.CNS - YYZ
2 stops39h 20mQantas Airways
Deal found 16/9C$ 2,705
Mon 13/105:24 p.m.YYZ - CNS
2 stops30h 11mQantas Airways
Mon 20/107:00 a.m.CNS - YYZ
2 stops29h 50mQantas Airways
Deal found 14/9C$ 2,737
Mon 15/91:50 a.m.YYZ - CNS
2 stops48h 50mCathay Pacific
Tue 23/96:50 p.m.CNS - YYZ
2 stops41h 20mCathay Pacific
Deal found 15/9C$ 3,002
Sun 12/101:50 a.m.YYZ - CNS
2 stops42h 45mCathay Pacific
Mon 20/105:20 p.m.CNS - YYZ
2 stops42h 50mCathay Pacific
Deal found 14/9C$ 3,154

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 16 September 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 8/2

12:35 a.m.-8:35 a.m.

2 stops41h 00m

Cairns

Mon 16/2

2:50 p.m.-8:35 p.m.

2 stops44h 45m

C$ 2,213

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 1/12

5:55 p.m.-4:40 p.m.

2 stops31h 45m

Cairns

Mon 29/12

6:00 a.m.-8:54 p.m.

2 stops29h 54m

C$ 2,377

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

6:20 p.m.-4:40 p.m.

2 stops32h 20m

Cairns

Wed 5/11

6:00 a.m.-5:00 p.m.

2 stops26h 00m

C$ 2,477

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/10

6:45 a.m.-4:25 a.m.

3 stops31h 40m

Cairns

Mon 20/10

12:40 p.m.-6:52 a.m.

3 stops32h 12m

C$ 2,528

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 3/12

1:30 p.m.-1:50 p.m.

2 stops33h 20m

Cairns

Tue 6/1

9:20 a.m.-4:24 p.m.

2 stops46h 04m

C$ 2,574

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

8:50 p.m.-10:15 a.m.

2 stops46h 25m

Cairns

Sun 15/2

3:45 p.m.-2:05 p.m.

2 stops61h 20m

C$ 2,661

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/10

5:24 p.m.-1:35 p.m.

2 stops30h 11m

Cairns

Mon 20/10

7:00 a.m.-10:50 p.m.

2 stops29h 50m

C$ 2,737

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 9/2

2:15 p.m.-3:10 p.m.

2 stops33h 55m

Cairns

Fri 13/2

2:35 p.m.-8:40 p.m.

2 stops45h 05m

C$ 2,882

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 8/11

4:45 p.m.-5:30 p.m.

3 stops57h 45m

C$ 970

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Wed 5/11

4:45 p.m.-1:50 p.m.

3 stops54h 05m

C$ 990

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 14 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 round-trip 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?

    There are many flights that can get you from Region of Ontario to Cairns in 46h 25m. Fly via Qatar Airways to get the fastest option. Region of Ontario and Cairns are separated by a distance of 15163 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 vacation 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

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.

Alternative routes for Ontario to Cairns

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Brisbane flights
Calgary to Brisbane flights
Pearson Intl to Brisbane flights
Edmonton to Brisbane flights
Pierre Elliott Trudeau Intl to Brisbane flights
Kelowna to Brisbane flights
Winnipeg to Brisbane flights
Pearson Intl to Coolangatta flights
Saskatoon to Brisbane flights
Vancouver Intl to Coolangatta flights
Pearson Intl to Cairns flights
Halifax to Brisbane flights
Ottawa to Brisbane flights
Victoria to Brisbane flights
Vancouver Intl to Hamilton Island flights
Vancouver Intl to Cairns flights
Pierre Elliott Trudeau Intl to Cairns flights
London to Brisbane flights
Moncton to Brisbane flights
Edmonton to Townsville flights
Pearson Intl to Townsville flights
Thunder Bay to Brisbane flights
Vancouver Intl to Maroochydore flights
Pearson Intl to Maroochydore flights
Pearson Intl to Mackay flights
Ottawa to Coolangatta flights
Pierre Elliott Trudeau Intl to Emerald flights
Edmonton to Cairns flights
Vancouver Intl to Townsville flights
Pearson Intl to Gladstone flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Cairns from Ontario today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Cairns by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Cairns from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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.