AirHint found the following cheapest return flights from Montreal (YUL) to Athens (ATH) in October 2026 (see full year).

Return flights

02 Oct - 09 Oct	FrenchBee
03 Oct - 10 Oct	FrenchBee
04 Oct - 11 Oct	FrenchBee
22 Oct - 15 Nov	Air France
23 Oct - 16 Nov	Air France
01 Oct - 12 Oct	British Airways
01 Oct - 08 Oct	British Airways
08 Oct - 29 Oct	KLM
01 Oct - 12 Oct	Air Canada	direct
01 Oct - 08 Oct	Air Canada	direct
04 Oct - 11 Oct	Air Canada	direct
31 Oct - 07 Nov	British Airways
02 Oct - 09 Oct	Air Canada	direct
22 Oct - 15 Nov	Air Canada	direct

Also check the deals for one-way flights from Montreal 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 Montreal to Athens in October from 644€

Return flights