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

Return flights

08 Oct - 15 Oct	Icelandair
13 Oct - 20 Oct	WestJet
08 Oct - 16 Oct	WestJet
13 Oct - 16 Oct	WestJet
06 Oct - 16 Oct	WestJet
22 Oct - 04 Nov	British Airways
20 Oct - 15 Nov	WestJet
29 Oct - 05 Nov	LOT
16 Oct - 13 Nov	Air Transat
22 Oct - 29 Oct	LOT
31 Oct - 07 Nov	LOT
18 Oct - 06 Nov	WestJet
04 Oct - 16 Oct	WestJet
10 Oct - 13 Oct	Condor
07 Oct - 14 Oct	WestJet
08 Oct - 22 Oct	WestJet
22 Oct - 06 Nov	WestJet
22 Oct - 15 Nov	WestJet
25 Oct - 15 Nov	Flair Airlines
13 Oct - 08 Nov	WestJet

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 519€

Return flights