AirHint found the following cheapest return flights from Toronto (YYZ) to Colombo (CMB) in September 2026 (see full year).

Return flights

03 Sep - 28 Sep	Air Canada
09 Sep - 11 Oct	Air Canada
09 Sep - 18 Oct	Air Canada
14 Sep - 05 Oct	Air Canada
14 Sep - 06 Oct	Air Canada
14 Sep - 07 Oct	Air Canada
16 Sep - 06 Oct	Air Canada
16 Sep - 07 Oct	Air Canada
14 Sep - 04 Oct	Air Canada
22 Sep - 13 Oct	Air Canada
08 Sep - 22 Sep	Air Canada
10 Sep - 11 Oct	Air Canada
19 Sep - 29 Sep	Air Canada
17 Sep - 24 Sep	Air Canada
01 Sep - 15 Sep	Air Canada

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

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 September from $1225

Return flights