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

Return flights

24 Oct - 15 Nov	KLM
22 Oct - 15 Nov	Air France
30 Oct - 06 Nov	KLM
30 Oct - 15 Nov	KLM
30 Oct - 11 Nov	KLM
30 Oct - 22 Nov	KLM
21 Oct - 04 Nov	Delta
30 Oct - 09 Nov	KLM
28 Oct - 04 Nov	Delta
28 Oct - 22 Nov	Air Canada
21 Oct - 29 Oct	WestJet
20 Oct - 27 Oct	WestJet
22 Oct - 29 Oct	KLM
23 Oct - 30 Oct	Porter Airlines (Canada) Ltd
24 Oct - 31 Oct	LOT
20 Oct - 23 Oct	WestJet
23 Oct - 26 Oct	Porter Airlines (Canada) Ltd
20 Oct - 23 Oct	Aegean Airlines	direct
23 Oct - 30 Oct	Air Canada	direct

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 556€

Return flights