Cheap flights from Ontario to Cairns from $2,906
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
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 31 August 2025.
Round-trip from | $2,906 |
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Find flight deals from Ontario to Cairns
Cheapest flights from Ontario to CairnsExplore 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 31 August 2025.
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 31 August 2025.
Cheapflights Fare Finder
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
MontrealCairns
YUL - CNS
YULCNS
Montreal Pierre Elliott Trudeau Intl
Wed 11/2
20:50-14:55
2 stops51h 05m
Cairns
Sun 15/2
15:45-14:05
2 stops61h 20m
MontrealCairns
YUL - CNS
YULCNS
Montreal Pierre Elliott Trudeau Intl
Sat 20/9
21:45-18:10
2 stops54h 25m
Cairns
Sat 11/10
15:35-16:36
2 stops39h 01m
TorontoCairns
YYZ - CNS
YYZCNS
Toronto Pearson Intl
Mon 9/2
14:15-15:10
2 stops33h 55m
Cairns
Fri 13/2
14:35-20:40
2 stops45h 05m
TorontoCairns
YYZ - CNS
YYZCNS
Toronto Pearson Intl
Sun 8/2
00:35-10:45
2 stops43h 10m
Cairns
Fri 13/2
11:35-20:35
2 stops48h 00m
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.
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Related info for your journey
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Alternative routes for Ontario to Cairns
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