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

Return flights

20 Aug - 17 Sep	WestJet
10 Aug - 16 Sep	Flair Airlines
20 Aug - 02 Sep	Air Canada
18 Aug - 18 Sep	WestJet
26 Aug - 17 Sep	Flair Airlines
18 Aug - 28 Aug	Air Canada
10 Aug - 10 Sep	Air Canada	direct
30 Aug - 04 Sep	Air Canada
25 Aug - 08 Sep	Air Canada	direct
02 Aug - 03 Sep	Air Canada
27 Aug - 03 Sep	Air Canada
04 Aug - 12 Aug	Air Transat
13 Aug - 27 Aug	Air Canada
02 Aug - 14 Aug	Air Canada
10 Aug - 27 Aug	Lufthansa
06 Aug - 27 Aug	Air Canada
07 Aug - 14 Aug	Delta
06 Aug - 13 Aug	Delta
20 Aug - 30 Aug	WestJet
13 Aug - 26 Aug	Air Transat	direct

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

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 August from 543€

Return flights