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

Return flights

31 Aug - 11 Sep	FrenchBee
31 Aug - 07 Sep	FrenchBee
04 Aug - 11 Aug	Air Transat	direct
18 Aug - 25 Aug	Air Transat	direct
25 Aug - 01 Sep	Air Transat	direct
09 Aug - 26 Aug	Air Transat
03 Aug - 10 Aug	Air Transat
05 Aug - 12 Aug	Air Transat
10 Aug - 17 Aug	Air Transat
11 Aug - 18 Aug	Air Transat
17 Aug - 24 Aug	Air Transat
19 Aug - 26 Aug	Air Transat
24 Aug - 31 Aug	Air Transat
17 Aug - 07 Sep	Air Transat
26 Aug - 02 Sep	Air Transat
27 Aug - 17 Sep	Air Transat
27 Aug - 03 Sep	Air Transat
30 Aug - 06 Sep	Air Transat
21 Aug - 11 Sep	FrenchBee
28 Aug - 04 Sep	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 669€

Return flights