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Cheap flights from Ontario to Cairns from $890

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Cairns departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ontario to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:15 - 09:20
YYZ
-
CNS
60h 05m
2 stops
Multiple Airlines Logo
06:45 - 22:55
CNS
-
YYZ
30h 10m
2 stops
$2,439Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
12:30 - 12:55
YYZ
-
CNS
34h 25m
2 stops
Multiple Airlines Logo
06:45 - 22:55
CNS
-
YYZ
30h 10m
2 stops
$2,462Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:15 - 12:55
YYZ
-
CNS
39h 40m
2 stops
Multiple Airlines Logo
06:45 - 22:55
CNS
-
YYZ
30h 10m
2 stops
$2,469Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
20:10 - 17:10
YYZ
-
CNS
31h 00m
2 stops
Multiple Airlines Logo
19:10 - 18:57
CNS
-
YYZ
37h 47m
2 stops
$2,538Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
United Airlines Logo
18:35 - 15:55
YYZ
-
CNS
31h 20m
2 stops
United Airlines Logo
06:00 - 16:37
CNS
-
YYZ
24h 37m
2 stops
$2,696United Airlines
Tue, 5 May - Tue, 12 May
United Airlines Logo
16:55 - 15:55
YUL
-
CNS
33h 00m
2 stops
United Airlines Logo
06:00 - 16:45
CNS
-
YUL
24h 45m
2 stops
$2,828United Airlines
Sat, 23 May - Wed, 27 May
United Airlines Logo
17:40 - 15:55
YUL
-
CNS
32h 15m
2 stops
United Airlines Logo
06:00 - 20:00
CNS
-
YUL
28h 00m
2 stops
$2,829United Airlines
Sat, 23 May - Wed, 27 May
Air Canada Logo
18:45 - 11:10
YYZ
-
CNS
50h 25m
3 stops
Air Canada Logo
19:15 - 18:33
CNS
-
YYZ
37h 18m
2 stops
$2,894Air Canada
Mon, 13 Apr - Mon, 27 Apr
Air Canada Logo
18:45 - 11:10
YYZ
-
CNS
50h 25m
3 stops
Air Canada Logo
19:15 - 18:33
CNS
-
YYZ
37h 18m
2 stops
$2,895Air Canada
Mon, 13 Apr - Mon, 27 Apr
Air Canada Logo
21:30 - 11:10
YUL
-
CNS
47h 40m
2 stops
Air Canada Logo
16:35 - 00:40
CNS
-
YUL
46h 05m
2 stops
$2,912Air Canada
Sat, 23 May - Wed, 27 May

United Airlines flights from Region of Ontario to Cairns

Our best United Airlines deals on Region of Ontario to Cairns flight tickets
United Airlines
5 May
YYZ18:35Toronto Pearson Intl
31h 20m
2 stops
CNS15:55Cairns
12 May
CNS06:00Cairns
24h 37m
2 stops
YYZ16:37Toronto Pearson Intl
$2,696
United Airlines
23 May
YUL16:55Montreal Pierre Elliott Trudeau Intl
33h 00m
2 stops
CNS15:55Cairns
27 May
CNS06:00Cairns
24h 45m
2 stops
YUL16:45Montreal Pierre Elliott Trudeau Intl
$2,828
United Airlines
23 May
YUL17:40Montreal Pierre Elliott Trudeau Intl
32h 15m
2 stops
CNS15:55Cairns
27 May
CNS06:00Cairns
28h 00m
2 stops
YUL20:00Montreal Pierre Elliott Trudeau Intl
$2,829

Air Canada flights from Region of Ontario to Cairns

Our best Air Canada deals on Region of Ontario to Cairns flight tickets
Air Canada
13 Apr
YYZ18:45Toronto Pearson Intl
50h 25m
3 stops
CNS11:10Cairns
27 Apr
CNS19:15Cairns
37h 18m
2 stops
YYZ18:33Toronto Pearson Intl
$2,894
Air Canada
13 Apr
YYZ18:45Toronto Pearson Intl
50h 25m
3 stops
CNS11:10Cairns
27 Apr
CNS19:15Cairns
37h 18m
2 stops
YYZ18:33Toronto Pearson Intl
$2,895
Air Canada
23 May
YUL21:30Montreal Pierre Elliott Trudeau Intl
47h 40m
2 stops
CNS11:10Cairns
27 May
CNS16:35Cairns
46h 05m
2 stops
YUL00:40Montreal Pierre Elliott Trudeau Intl
$2,912

momondo Fare Finder

 
Customise your flight search to find flights from Region of 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, momondo users made 78,305 searches. Data last updated 25 March 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

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

07:15-09:20

2 stops60h 05m

Cairns

Mon 27/4

06:45-22:55

2 stops30h 10m

$2,439

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

12:30-12:55

2 stops34h 25m

Cairns

Mon 27/4

06:45-22:55

2 stops30h 10m

$2,462

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

07:15-12:55

2 stops39h 40m

Cairns

Mon 27/4

06:45-22:55

2 stops30h 10m

$2,469

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

20:10-17:10

2 stops31h 00m

Cairns

Mon 27/4

19:10-18:57

2 stops37h 47m

$2,538
Fastest return journey

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 5/5

18:35-15:55

2 stops31h 20m

Cairns

Tue 12/5

06:00-16:37

2 stops24h 37m

$2,696

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

16:55-15:55

2 stops33h 00m

Cairns

Wed 27/5

06:00-16:45

2 stops24h 45m

$2,828

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

17:40-15:55

2 stops32h 15m

Cairns

Wed 27/5

06:00-20:00

2 stops28h 00m

$2,829

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:45-11:10

3 stops50h 25m

Cairns

Mon 27/4

19:15-18:33

2 stops37h 18m

$2,894

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Mon 13/4

18:45-11:10

3 stops50h 25m

Cairns

Mon 27/4

19:15-18:33

2 stops37h 18m

$2,895

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

21:30-11:10

2 stops47h 40m

Cairns

Wed 27/5

16:35-00:40

2 stops46h 05m

$2,912

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cairns from

How to get the cheapest flight ticket from Region of Ontario to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Cairns?

United Airlines is the most popular carrier operating from Ontario to Cairns

Cheap Region of Ontario to Cairns flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Cairns

Fastest flight time

24h 45m

Direct flights

None
The fastest flight from Region of Ontario to Cairns takes 24h 45m
There are no direct flights from Region of Ontario to Cairns. There are no popular flight routes from Region of Ontario to Cairns.
Search flight deals

  • When did momondo last update prices for flights from Ontario to Cairns Airport?

    Prices for flights from Ontario to Cairns Airport are updated daily.

  • How old do you have to be to fly from Ontario to Cairns Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Cairns Airport.

  • What documentation or ID do you need to fly to Cairns Airport?

    The required travel and health documents for your Cairns Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Cairns Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Palm Cove
Trinity Beach
Mission Beach

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Cairns?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cairns from Ontario.

Can I find flights from Ontario to Cairns with flexible booking policies on momondo?

All flight searches from Ontario to Cairns on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Cairns?

momondo helps you find the best flight between Ontario and Cairns by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Cairns right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Cairns flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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