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

Return flights

29 Sep - 12 Oct	British Airways
24 Sep - 06 Oct	Air Canada	direct
02 Sep - 08 Sep	Air Transat	direct
02 Sep - 09 Sep	Air Transat
29 Sep - 12 Oct	Air Canada	direct
02 Sep - 23 Sep	Air Transat
26 Sep - 04 Oct	Scandinavian Airlines
30 Sep - 07 Oct	Porter Airlines (Canada) Ltd
09 Sep - 19 Sep	Air Transat	direct
08 Sep - 22 Sep	Delta
22 Sep - 06 Oct	Delta
11 Sep - 20 Sep	Lufthansa	direct
03 Sep - 17 Sep	Delta
10 Sep - 27 Sep	Air Canada
09 Sep - 17 Sep	Delta
02 Sep - 09 Sep	Air Canada	direct
26 Sep - 04 Oct	Lufthansa	direct

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 640€

Return flights