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

Return flights

02 Dec - 09 Dec	Scandinavian Airlines
01 Dec - 08 Dec	easyJet
03 Dec - 10 Dec	LOT
29 Dec - 05 Jan	LOT
04 Dec - 11 Dec	easyJet
26 Dec - 05 Jan	LOT
22 Dec - 29 Dec	LOT
12 Dec - 16 Dec	KLM
08 Dec - 15 Dec	KLM
09 Dec - 16 Dec	KLM
10 Dec - 17 Dec	KLM
19 Dec - 08 Jan	KLM
06 Dec - 13 Dec	Lufthansa
17 Dec - 01 Jan	Lufthansa
26 Dec - 02 Jan	Lufthansa
19 Dec - 01 Jan	Air Canada
22 Dec - 04 Jan	LOT
25 Dec - 01 Jan	Lufthansa
26 Dec - 04 Jan	LOT
28 Dec - 04 Jan	LOT

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

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 Athens to Toronto in December from $565

Return flights