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	Air Canada
11 Dec - 28 Dec	Air Canada
23 Dec - 29 Dec	Air Canada
12 Dec - 23 Jan	Air Canada
04 Dec - 06 Jan	Air Canada
22 Dec - 05 Jan	Air Canada
22 Dec - 13 Jan	Air Canada
07 Dec - 05 Jan	Air Canada
02 Dec - 22 Dec	Air Canada
12 Dec - 24 Jan	Air Canada
08 Dec - 19 Dec	Air Canada
04 Dec - 18 Dec	Turkish Airlines
09 Dec - 30 Dec	Air Canada
02 Dec - 30 Dec	Air Canada
28 Dec - 11 Jan	Air Canada
14 Dec - 01 Jan	Air Canada
12 Dec - 30 Dec	Air Canada
17 Dec - 11 Jan	Air Canada
21 Dec - 21 Jan	Air Canada

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 1202€

Return flights