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

Return flights

01 Dec - 15 Dec	Cathay Pacific
01 Dec - 08 Dec	Cathay Pacific
01 Dec - 25 Dec	Cathay Pacific
01 Dec - 10 Dec	Cathay Pacific
02 Dec - 09 Dec	Cathay Pacific
02 Dec - 08 Dec	Cathay Pacific
27 Dec - 23 Jan	China Eastern
01 Dec - 22 Dec	Cathay Pacific
31 Dec - 21 Jan	WestJet
04 Dec - 31 Jan	Flair Airlines
04 Dec - 17 Dec	SriLankan Airlines
04 Dec - 21 Jan	SriLankan Airlines
06 Dec - 25 Jan	Flair Airlines
31 Dec - 14 Jan	Flair Airlines
30 Dec - 23 Jan	Air Canada
30 Dec - 30 Jan	Air Canada
31 Dec - 17 Jan	WestJet
08 Dec - 21 Jan	SriLankan Airlines
03 Dec - 10 Dec	SriLankan Airlines
06 Dec - 14 Dec	Air Transat

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 904€

Return flights