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

Return flights

25 Jan - 01 Feb	TAP
18 Jan - 25 Jan	TAP
12 Jan - 19 Jan	British Airways
13 Jan - 20 Jan	British Airways
19 Jan - 26 Jan	British Airways
20 Jan - 27 Jan	British Airways
21 Jan - 28 Jan	British Airways
27 Jan - 03 Feb	British Airways
28 Jan - 04 Feb	British Airways
15 Jan - 22 Jan	British Airways
01 Jan - 08 Jan	Air Canada
06 Jan - 20 Jan	British Airways
05 Jan - 12 Jan	British Airways
26 Jan - 02 Feb	Air France
30 Jan - 06 Feb	Air France
29 Jan - 05 Feb	Air France
31 Jan - 05 Feb	Air France
31 Jan - 07 Feb	SWISS

Also check the deals for one-way flights from Montreal to Athens in January.

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 January from $675

Return flights