AirHint found the following cheapest return flights from Toronto (YYZ) to Athens (ATH) in October 2025 (see full year).

Return flights

07 Oct - 21 Oct	Aer Lingus
07 Oct - 14 Oct	Aer Lingus
08 Oct - 17 Oct	WestJet
09 Oct - 17 Oct	Air Transat
08 Oct - 16 Oct	WestJet
08 Oct - 22 Oct	WestJet
10 Oct - 17 Oct	WestJet
08 Oct - 15 Oct	WestJet
03 Oct - 15 Oct	WestJet
04 Oct - 15 Oct	WestJet
08 Oct - 11 Nov	Scandinavian Airlines
28 Oct - 11 Nov	Scandinavian Airlines
21 Oct - 04 Nov	Aer Lingus
09 Oct - 06 Nov	Air Transat
27 Oct - 06 Nov	Air France
15 Oct - 11 Nov	WestJet
15 Oct - 01 Nov	WestJet
20 Oct - 10 Nov	KLM
22 Oct - 05 Nov	KLM
15 Oct - 06 Nov	Delta

Also check the deals for one-way flights from Toronto to Athens in October.

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 October from 443€

Return flights