AirHint found the following cheapest return flights from Toronto (YYZ) to San Juan (SJU) in June 2025 (see full year).

Return flights

21 Jun - 28 Jun	United
22 Jun - 26 Jun	Flair Airlines
27 Jun - 30 Jun	Porter Airlines (Canada) Ltd
28 Jun - 01 Jul	Porter Airlines (Canada) Ltd
19 Jun - 24 Jun	Flair Airlines
26 Jun - 30 Jun	Porter Airlines (Canada) Ltd
17 Jun - 30 Jun	Avianca

Also check the deals for one-way flights from Toronto 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 Toronto to San Juan in June from 343€

Return flights