AirHint found the following cheapest return flights from Toronto (YYZ) to San Juan (SJU) in January 2026 (see full year).

Return flights

24 Jan - 31 Jan	United
29 Jan - 04 Feb	United
29 Jan - 05 Feb	United
29 Jan - 15 Feb	United
17 Jan - 25 Jan	Porter Airlines (Canada) Ltd
04 Jan - 16 Jan	WestJet
22 Jan - 30 Jan	Porter Airlines (Canada) Ltd
04 Jan - 15 Jan	WestJet
24 Jan - 01 Feb	Arajet
12 Jan - 18 Jan	Porter Airlines (Canada) Ltd
04 Jan - 14 Jan	United
03 Jan - 05 Feb	United
29 Jan - 08 Feb	United
22 Jan - 31 Jan	Porter Airlines (Canada) Ltd
25 Jan - 01 Feb	United
31 Jan - 08 Feb	WestJet
10 Jan - 18 Jan	Flair Airlines
16 Jan - 24 Jan	Porter Airlines (Canada) Ltd

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

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 January from 250€

Return flights