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
03 Jun - 10 Jun	Arajet
10 Jun - 17 Jun	United
09 Jun - 16 Jun	United
04 Jun - 11 Jun	United
11 Jun - 18 Jun	United
17 Jun - 24 Jun	Arajet
08 Jun - 18 Jun	Porter Airlines (Canada) Ltd
05 Jun - 12 Jun	WestJet
28 Jun - 08 Jul	WestJet
26 Jun - 03 Jul	WestJet
30 Jun - 07 Jul	United
29 Jun - 06 Jul	United
27 Jun - 04 Jul	WestJet
28 Jun - 05 Jul	WestJet

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Cheapest return flights from Montreal to San Juan in June from 406€

Return flights