Cheapest return flights from Toronto to San Juan in December from $239

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

Return flights

09 Dec - 18 Dec United
09 Dec - 16 Dec United
07 Dec - 13 Dec United
07 Dec - 14 Dec United
15 Dec - 22 Dec United
08 Dec - 12 Dec United
11 Dec - 21 Dec United
05 Dec - 12 Dec United
12 Dec - 15 Dec United
06 Dec - 13 Dec United
31 Dec - 01 Jan United
29 Dec - 02 Jan United
26 Dec - 01 Jan WestJet
28 Dec - 03 Jan WestJet
21 Dec - 05 Jan WestJet
28 Dec - 04 Jan WestJet
28 Dec - 04 Jan Air Canada direct
20 Dec - 04 Jan WestJet
20 Dec - 03 Jan WestJet
28 Dec - 03 Jan Air Canada direct

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

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