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

Return flights

06 Apr - 13 Apr	British Airways
07 Apr - 14 Apr	British Airways
09 Apr - 16 Apr	British Airways
13 Apr - 20 Apr	British Airways
14 Apr - 21 Apr	British Airways
16 Apr - 23 Apr	British Airways
19 Apr - 26 Apr	British Airways
20 Apr - 27 Apr	British Airways
21 Apr - 28 Apr	British Airways
22 Apr - 29 Apr	British Airways
27 Apr - 04 May	Air France
28 Apr - 05 May	Air France
21 Apr - 07 May	Delta
28 Apr - 12 May	Air France
13 Apr - 04 May	Air France
12 Apr - 04 May	Air France
20 Apr - 04 May	Air France
21 Apr - 05 May	Delta
30 Apr - 07 May	KLM
30 Apr - 14 May	KLM

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

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 April from 494€

Return flights