Cheapest return flights from Montreal to San Juan in August from $410

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

Return flights

16 Aug - 22 Aug Arajet
20 Aug - 25 Aug American Airlines
16 Aug - 21 Aug Arajet
14 Aug - 21 Aug American Airlines
23 Aug - 30 Aug Arajet
16 Aug - 23 Aug Arajet
29 Aug - 05 Sep Porter Airlines (Canada) Ltd
30 Aug - 06 Sep Porter Airlines (Canada) Ltd
26 Aug - 02 Sep Porter Airlines (Canada) Ltd
31 Aug - 07 Sep Porter Airlines (Canada) Ltd
23 Aug - 31 Aug Arajet
22 Aug - 29 Aug Porter Airlines (Canada) Ltd
25 Aug - 31 Aug Arajet
18 Aug - 23 Aug Porter Airlines (Canada) Ltd
27 Aug - 03 Sep Porter Airlines (Canada) Ltd
28 Aug - 04 Sep Porter Airlines (Canada) Ltd
25 Aug - 01 Sep Arajet
27 Aug - 01 Sep Porter Airlines (Canada) Ltd
28 Aug - 01 Sep Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to San Juan in August.

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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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