Cheapest return flights from Montreal to San Juan in August from 450€

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

31 Aug - 07 Sep United
27 Aug - 03 Sep United
06 Aug - 13 Aug WestJet
05 Aug - 12 Aug WestJet
30 Aug - 06 Sep WestJet
12 Aug - 17 Aug Porter Airlines (Canada) Ltd
12 Aug - 19 Aug WestJet
16 Aug - 23 Aug United
17 Aug - 24 Aug Porter Airlines (Canada) Ltd
23 Aug - 30 Aug United
09 Aug - 16 Aug United
02 Aug - 09 Aug United
14 Aug - 21 Aug WestJet
28 Aug - 02 Sep United

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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