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

Return flights

09 Jul - 15 Jul	United
22 Jul - 29 Jul	United
24 Jul - 28 Jul	Flair Airlines
24 Jul - 27 Jul	Flair Airlines
29 Jul - 04 Aug	Porter Airlines (Canada) Ltd
09 Jul - 12 Jul	United
10 Jul - 15 Jul	United
23 Jul - 30 Jul	Porter Airlines (Canada) Ltd
15 Jul - 19 Jul	Flair Airlines
17 Jul - 24 Jul	WestJet
28 Jul - 02 Aug	Porter Airlines (Canada) Ltd
30 Jul - 04 Aug	Porter Airlines (Canada) Ltd
11 Jul - 18 Jul	Porter Airlines (Canada) Ltd

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

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 Toronto to San Juan in July from 267€

Return flights