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

Return flights

17 Sep - 22 Oct	Air Transat
16 Sep - 29 Sep	Air Transat
15 Sep - 28 Sep	Air Transat
16 Sep - 23 Sep	Air Transat
12 Sep - 26 Sep	Air Transat
11 Sep - 25 Sep	Air Transat
01 Sep - 29 Sep	Emirates
09 Sep - 30 Sep	Emirates
29 Sep - 27 Oct	Emirates
10 Sep - 22 Oct	Emirates
15 Sep - 22 Sep	Emirates
26 Sep - 22 Oct	Emirates
18 Sep - 10 Oct	Emirates
22 Sep - 17 Oct	Emirates
05 Sep - 01 Oct	Emirates
06 Sep - 02 Oct	Emirates
28 Sep - 24 Oct	Emirates
22 Sep - 03 Oct	Emirates
10 Sep - 20 Sep	Emirates
05 Sep - 20 Sep	Emirates

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 $1097

Return flights