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

Return flights

11 Aug - 08 Sep	Air Transat	direct
25 Aug - 01 Sep	Air Transat	direct
18 Aug - 01 Sep	Air Transat	direct
11 Aug - 18 Aug	Air Transat
04 Aug - 18 Aug	Air Transat
20 Aug - 10 Sep	TAP
26 Aug - 02 Sep	Air Transat
25 Aug - 15 Sep	Air Transat	direct
25 Aug - 11 Sep	Air Transat	direct
18 Aug - 18 Sep	Air Transat	direct
04 Aug - 11 Aug	Air Transat
27 Aug - 03 Sep	TAP
31 Aug - 07 Sep	TAP
03 Aug - 10 Aug	Air Transat
18 Aug - 25 Aug	Air Transat
04 Aug - 25 Aug	Air Transat
05 Aug - 12 Aug	Air Transat
13 Aug - 20 Aug	Air Transat
06 Aug - 13 Aug	Air Transat
10 Aug - 17 Aug	Air Transat

Also check the deals for one-way 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 return flights from Montreal to Athens in August from 625€

Return flights