Cheapest return flights from Montreal to San Juan in July from $479

AirHint found the following cheapest return flights from Montreal (YUL) to San Juan (SJU) in July 2026 (see full year).

Return flights

14 Jul - 21 Jul United
21 Jul - 28 Jul United
08 Jul - 15 Jul United
22 Jul - 29 Jul United
01 Jul - 08 Jul United
28 Jul - 04 Aug United
04 Jul - 11 Jul United
22 Jul - 30 Jul WestJet
01 Jul - 11 Jul United
07 Jul - 14 Jul WestJet
09 Jul - 16 Jul United
31 Jul - 07 Aug WestJet
26 Jul - 02 Aug Porter Airlines (Canada) Ltd
25 Jul - 01 Aug WestJet
30 Jul - 06 Aug WestJet

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

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