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

Return flights

28 Aug - 04 Sep	Avianca
12 Aug - 23 Aug	United
14 Aug - 21 Aug	Avianca
30 Aug - 06 Sep	United
27 Aug - 03 Sep	Copa
22 Aug - 29 Aug	Air Transat
05 Aug - 12 Aug	United
16 Aug - 23 Aug	Avianca
13 Aug - 20 Aug	Porter Airlines (Canada) Ltd
20 Aug - 27 Aug	Porter Airlines (Canada) Ltd
09 Aug - 13 Aug	United
07 Aug - 14 Aug	United
08 Aug - 15 Aug	United
26 Aug - 02 Sep	Copa
29 Aug - 05 Sep	Air Transat
31 Aug - 07 Sep	Air Transat
25 Aug - 01 Sep	Air Transat

Also check the deals for one-way flights from Montreal to Roatan 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 Roatan in August from $718

Return flights