AirHint found the following cheapest return flights from Montreal (YUL) to Cotonou (COO) in August 2025 (see full year).

Return flights

09 Aug - 07 Sep	Royal Air Maroc
09 Aug - 08 Sep	Royal Air Maroc
09 Aug - 09 Sep	Royal Air Maroc
09 Aug - 06 Sep	Royal Air Maroc
10 Aug - 06 Sep	Royal Air Maroc
09 Aug - 04 Sep	Royal Air Maroc
10 Aug - 04 Sep	Royal Air Maroc
07 Aug - 07 Sep	Royal Air Maroc
03 Aug - 06 Sep	Royal Air Maroc
05 Aug - 06 Sep	Royal Air Maroc
16 Aug - 30 Aug	Royal Air Maroc
07 Aug - 21 Aug	Royal Air Maroc

Also check the deals for one-way flights from Montreal to Cotonou 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 Cotonou in August from $1373

Return flights