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Cheap flights from Ontario to Cairns from $834

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
24 Jul — 31 Jul1
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 24 June 2026.

Sat 19/922:25
YYZ
-
CNS
2 stops46h 45m
Air Canada
Wed 23/916:35
CNS
-
YYZ
2 stops39h 10m
Air Canada
Deal found 22/6$2,654
Fri 7/818:28
YYZ
-
CNS
2 stops29h 12m
Qantas Airways
Fri 14/806:45
CNS
-
YYZ
2 stops30h 09m
Qantas Airways
Deal found 23/6$3,075
Sun 21/623:40
YYZ
-
CNS
2 stops40h 15m
Multiple Airlines
Thu 17/906:00
CNS
-
YYZ
2 stops23h 53m
Multiple Airlines
Deal found 20/6$3,127
Sun 21/616:20
YYZ
-
CNS
2 stops28h 25m
Air New Zealand
Thu 17/906:50
CNS
-
YYZ
3 stops31h 23m
Air New Zealand
Deal found 20/6$3,333
Fri 7/811:00
YYZ
-
CNS
3 stops34h 10m
United Airlines
Fri 14/806:00
CNS
-
YYZ
2 stops32h 35m
United Airlines
Deal found 23/6$3,358
Fri 3/722:30
YYZ
-
CNS
2 stops53h 05m
Qantas Airways
Fri 24/706:50
CNS
-
YYZ
2 stops30h 09m
Qantas Airways
Deal found 23/6$3,540

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 24 June 2026.

Round-trip from

$2,100

One-way from

$834
23/9-10/10
  • 23/9-10/10
  • 4 total stops
  • 72h 25m total
  • Ontario to Cairns
Search Deals
12/9
  • 12/9
  • 3 total stops
  • 39h 40m 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 24 June 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
Fastest return journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 7/8

11:00-11:10

3 stops34h 10m

Cairns

Fri 14/8

06:00-00:35

2 stops32h 35m

$3,358

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 3/7

14:55-17:35

2 stops36h 40m

Cairns

Fri 24/7

06:50-22:59

2 stops30h 09m

$3,672

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 3/7

11:00-20:20

3 stops43h 20m

Cairns

Fri 24/7

06:00-00:35

2 stops32h 35m

$3,674

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 7/8

14:55-09:30

2 stops52h 35m

Cairns

Fri 14/8

12:35-09:30

2 stops58h 55m

$4,996
Cheapest one-way

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 12/9

06:00-11:40

3 stops39h 40m

$834

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

20:00-11:40

3 stops49h 40m

$925

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

18:20-11:40

2 stops27h 20m

$1,213

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

12:30-15:00

3 stops36h 30m

$2,101

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 23/7

14:55-12:55

2 stops32h 00m

$2,144
Fastest single journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Thu 23/7

13:45-04:30

1 stop24h 45m

$2,156

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 12 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 fly from Region of Ontario to Cairns in about 34h 10m. The time it takes to get you to your destination can typically vary by up to . Region of Ontario and Cairns are separated by a distance of 14820 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 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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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!

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