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

Return flights

01 Jun - 08 Jun	United
02 Jun - 09 Jun	United
17 Jun - 24 Jun	United
06 Jun - 13 Jun	United
12 Jun - 19 Jun	United
30 Jun - 07 Jul	United
13 Jun - 20 Jun	United
23 Jun - 30 Jun	United
16 Jun - 23 Jun	United
22 Jun - 29 Jun	United
24 Jun - 07 Jul	United
25 Jun - 02 Jul	United
24 Jun - 01 Jul	United
09 Jun - 16 Jun	United
27 Jun - 04 Jul	United
26 Jun - 03 Jul	WestJet
28 Jun - 05 Jul	WestJet
26 Jun - 07 Jul	United

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

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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Cheapest return flights from Montreal to San Juan in June from 343€

Return flights