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

Return flights

14 Oct - 21 Oct	Air Transat
07 Oct - 14 Oct	Air Transat
04 Oct - 11 Oct	FrenchBee
09 Oct - 16 Oct	FrenchBee
02 Oct - 09 Oct	FrenchBee
03 Oct - 13 Oct	Air Transat
11 Oct - 18 Oct	FrenchBee
06 Oct - 13 Oct	Air Transat
01 Oct - 15 Oct	Azores Airlines
10 Oct - 17 Oct	Air Transat
26 Oct - 02 Nov	British Airways
27 Oct - 03 Nov	British Airways
28 Oct - 04 Nov	Air Canada	direct
16 Oct - 02 Nov	British Airways
29 Oct - 05 Nov	British Airways
25 Oct - 01 Nov	SWISS
15 Oct - 01 Nov	SWISS
30 Oct - 06 Nov	Air Canada	direct
31 Oct - 07 Nov	British Airways

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 574€

Return flights