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

Return flights

04 Oct - 31 Oct	Cathay Pacific
06 Oct - 13 Oct	British Airways
07 Oct - 12 Oct	British Airways
05 Oct - 25 Oct	Cathay Pacific
22 Oct - 16 Nov	Cathay Pacific
02 Oct - 02 Nov	British Airways
25 Oct - 16 Nov	British Airways
12 Oct - 20 Oct	SriLankan Airlines
10 Oct - 26 Nov	SriLankan Airlines
10 Oct - 27 Nov	SriLankan Airlines
30 Oct - 22 Nov	Etihad Airways
21 Oct - 12 Nov	Etihad Airways
08 Oct - 20 Oct	British Airways
13 Oct - 23 Oct	British Airways
14 Oct - 13 Nov	British Airways
01 Oct - 22 Oct	Cathay Pacific
04 Oct - 18 Oct	British Airways
01 Oct - 29 Oct	SriLankan Airlines
14 Oct - 05 Nov	Condor
01 Oct - 19 Nov	SriLankan Airlines

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

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 October from 951€

Return flights