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

Return flights

09 Oct - 16 Oct	Air Transat
01 Oct - 14 Oct	British Airways
08 Oct - 14 Oct	British Airways
07 Oct - 14 Oct	British Airways
03 Oct - 13 Oct	Air Transat
03 Oct - 18 Oct	Air Transat
30 Oct - 07 Nov	Aer Lingus
06 Oct - 15 Oct	WestJet
11 Oct - 18 Oct	WestJet
01 Oct - 15 Oct	WestJet
05 Oct - 15 Oct	Air Transat
27 Oct - 04 Nov	British Airways
20 Oct - 03 Nov	British Airways
21 Oct - 03 Nov	British Airways
28 Oct - 06 Nov	Air Transat
24 Oct - 01 Nov	Air Canada
23 Oct - 03 Nov	Delta
25 Oct - 03 Nov	Air France
23 Oct - 10 Nov	Air France
15 Oct - 02 Nov	Air France

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 $650

Return flights