Cheapest return flights from Toronto to San Juan in December from $278

Best time to book flights for Toronto (YYZ) to San Juan (SJU) flights at AirHint

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

Return flights

06 Dec - 13 Dec United
03 Dec - 12 Dec United
07 Dec - 14 Dec United
06 Dec - 14 Dec WestJet
05 Dec - 14 Dec WestJet
25 Dec - 02 Jan WestJet
27 Dec - 04 Jan WestJet
20 Dec - 04 Jan WestJet
20 Dec - 27 Dec WestJet
19 Dec - 04 Jan WestJet
18 Dec - 03 Jan WestJet
19 Dec - 27 Dec United
20 Dec - 29 Dec United
19 Dec - 29 Dec United

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

Skyscanner

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