AirHint found the following cheapest one-way flights from Montreal (YUL) to Athens (ATH) in August 2025 (see full year).

One-Way flights

31 Aug	Porter Airlines (Canada) Ltd
12 Aug	FrenchBee
14 Aug	FrenchBee
25 Aug	Porter Airlines (Canada) Ltd
12 Aug	Air Transat	direct
13 Aug	FrenchBee
23 Aug	Air Transat	direct
21 Aug	Air Transat	direct
25 Aug	Air Transat	direct
14 Aug	Air Transat	direct

Also check the deals for return flights from Montreal 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 one-way flights from Montreal to Athens in August from 272€

One-Way flights