Cheapest one-way flights from Toronto to San Juan in December from $154

AirHint found the following cheapest one-way flights from Toronto (YYZ) to San Juan (SJU) in December 2025 (see full year).

One-Way flights

10 Dec United
06 Dec Porter Airlines (Canada) Ltd
28 Dec United
28 Dec Air Canada direct
18 Dec United
21 Dec WestJet direct
20 Dec Air Canada
06 Dec Air Canada direct
27 Dec Air Canada direct
20 Dec Air Canada direct

Also check the deals for return flights from Toronto to San Juan in December.

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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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