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

Return flights

20 Oct - 15 Nov	WestJet
28 Oct - 22 Nov	TAP
29 Oct - 05 Nov	Porter Airlines (Canada) Ltd
29 Oct - 22 Nov	Air Canada
18 Oct - 06 Nov	WestJet
17 Oct - 08 Nov	Porter Airlines (Canada) Ltd
13 Oct - 16 Oct	WestJet
08 Oct - 16 Oct	WestJet
06 Oct - 16 Oct	WestJet
31 Oct - 22 Nov	LOT
15 Oct - 08 Nov	WestJet
08 Oct - 22 Oct	WestJet
15 Oct - 22 Oct	WestJet
04 Oct - 16 Oct	WestJet
05 Oct - 16 Oct	WestJet
13 Oct - 20 Oct	WestJet
06 Oct - 18 Oct	WestJet
18 Oct - 08 Nov	Air Canada
08 Oct - 15 Oct	WestJet
13 Oct - 08 Nov	Porter Airlines (Canada) Ltd

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 $583

Return flights