AirHint found the following cheapest return flights from Toronto (YYZ) to Colombo (CMB) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec	Philippine Airlines
27 Dec - 20 Jan	China Eastern
02 Dec - 08 Dec	Air Canada
02 Dec - 10 Dec	Air Canada
02 Dec - 15 Dec	Cathay Pacific
01 Dec - 10 Dec	Air Canada
03 Dec - 11 Dec	Air Canada
02 Dec - 22 Dec	Cathay Pacific
29 Dec - 29 Jan	China Eastern
04 Dec - 25 Jan	Lufthansa
02 Dec - 09 Dec	Lufthansa
01 Dec - 15 Dec	Porter Airlines (Canada) Ltd
31 Dec - 19 Jan	WestJet
07 Dec - 17 Dec	Cathay Pacific
07 Dec - 11 Jan	WestJet
06 Dec - 18 Jan	Air Transat
31 Dec - 14 Jan	WestJet
29 Dec - 20 Jan	Porter Airlines (Canada) Ltd
06 Dec - 25 Jan	Air Canada
23 Dec - 27 Jan	Cathay Pacific

Also check the deals for one-way flights from Toronto to Colombo in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Toronto to Colombo in December from $1102

Return flights