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

31 Aug - 07 Sep United
17 Aug - 20 Aug Air Transat
02 Aug - 09 Aug WestJet
08 Aug - 15 Aug WestJet
16 Aug - 23 Aug WestJet
09 Aug - 16 Aug WestJet
15 Aug - 22 Aug WestJet
30 Aug - 06 Sep WestJet
11 Aug - 21 Aug WestJet
20 Aug - 27 Aug Air Transat
12 Aug - 19 Aug Air Transat
14 Aug - 21 Aug WestJet
29 Aug - 06 Sep WestJet
30 Aug - 08 Sep WestJet
29 Aug - 05 Sep WestJet
27 Aug - 03 Sep Air Transat
30 Aug - 07 Sep United
18 Aug - 02 Sep WestJet

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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