Cheapest return flights from Montreal to San Juan in August from 441€

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

Return flights

27 Aug - 03 Sep Porter Airlines (Canada) Ltd
24 Aug - 30 Aug Air Transat
26 Aug - 03 Sep Porter Airlines (Canada) Ltd
29 Aug - 04 Sep Porter Airlines (Canada) Ltd
28 Aug - 03 Sep Air Transat
26 Aug - 31 Aug Porter Airlines (Canada) Ltd
29 Aug - 03 Sep Porter Airlines (Canada) Ltd
30 Aug - 07 Sep Porter Airlines (Canada) Ltd
27 Aug - 01 Sep Porter Airlines (Canada) Ltd
22 Aug - 25 Aug Air Transat
18 Aug - 22 Aug WestJet
28 Aug - 02 Sep Air Transat
16 Aug - 24 Aug Arajet
19 Aug - 26 Aug WestJet
28 Aug - 01 Sep Air Transat
18 Aug - 23 Aug Arajet
17 Aug - 21 Aug 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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