AirHint found the following cheapest return flights from Toronto (YTZ) to Athens (ATH) in September 2026 (see full year).

Return flights

18 Sep - 25 Sep	Air Transat
05 Sep - 18 Sep	Air Transat
04 Sep - 02 Oct	Air Transat
04 Sep - 11 Sep	Air Transat
02 Sep - 09 Sep	Air Transat
22 Sep - 06 Oct	Air Transat
27 Sep - 06 Oct	Porter Airlines (Canada) Ltd
04 Sep - 13 Sep	Air Transat
09 Sep - 20 Sep	Air Transat
21 Sep - 06 Oct	Air Canada
28 Sep - 11 Oct	Air Canada
16 Sep - 30 Sep	Porter Airlines (Canada) Ltd
18 Sep - 27 Sep	Air Transat
02 Sep - 10 Sep	Porter Airlines (Canada) Ltd
03 Sep - 10 Sep	Air Canada
16 Sep - 01 Oct	Emirates
17 Sep - 08 Oct	Emirates
17 Sep - 02 Oct	Emirates
16 Sep - 02 Oct	Emirates
18 Sep - 01 Oct	Emirates

Also check the deals for one-way flights from Toronto to Athens 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 Athens in September from 570€

Return flights