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

One-Way flights

30 Aug	FrenchBee
31 Aug	FrenchBee
01 Aug	Porter Airlines (Canada) Ltd
25 Aug	Air Transat	direct
23 Aug	Air Transat
30 Aug	Lufthansa	direct
16 Aug	Air Canada	direct
08 Aug	Air Canada	direct
31 Aug	Lufthansa	direct
01 Aug	Air Canada	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 $370

One-Way flights