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

Return flights

02 Sep - 18 Sep	Air Serbia
12 Sep - 19 Sep	Air Serbia
20 Sep - 03 Oct	Air Transat	direct
20 Sep - 02 Oct	Air Transat
04 Sep - 18 Sep	Air Transat
19 Sep - 03 Oct	Scandinavian Airlines
06 Sep - 14 Sep	Air Transat
01 Sep - 09 Sep	WestJet
06 Sep - 14 Sep	Air Transat	direct
15 Sep - 01 Oct	Scandinavian Airlines
20 Sep - 01 Oct	WestJet
19 Sep - 29 Sep	Scandinavian Airlines
23 Sep - 05 Oct	Air Canada	direct
20 Sep - 01 Oct	Air Canada	direct
15 Sep - 22 Sep	Scandinavian Airlines
04 Sep - 17 Sep	Air Transat	direct
17 Sep - 04 Oct	TAP
18 Sep - 09 Oct	TAP
18 Sep - 04 Oct	TAP
10 Sep - 18 Sep	TAP

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 513€

Return flights