Cheapest return flights from Montreal to San Juan in August from $464

Best time to book flights for Montreal (YUL) to San Juan (SJU) flights at AirHint

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

Return flights

17 Aug - 24 Aug Porter Airlines (Canada) Ltd
13 Aug - 20 Aug Porter Airlines (Canada) Ltd
02 Aug - 15 Aug Porter Airlines (Canada) Ltd
10 Aug - 17 Aug Air Transat
11 Aug - 18 Aug Porter Airlines (Canada) Ltd
30 Aug - 06 Sep United
08 Aug - 15 Aug Air Transat
18 Aug - 25 Aug Porter Airlines (Canada) Ltd
02 Aug - 09 Aug Porter Airlines (Canada) Ltd
06 Aug - 13 Aug Porter Airlines (Canada) Ltd
07 Aug - 14 Aug Porter Airlines (Canada) Ltd
29 Aug - 05 Sep WestJet
27 Aug - 03 Sep Porter Airlines (Canada) Ltd

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

Skyscanner

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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