Cheapest return flights from Cancun to San Juan in December from $358

Best time to book flights for Cancun (CUN) to San Juan (SJU) flights at AirHint

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

Return flights

07 Dec - 14 Dec American Airlines
08 Dec - 15 Dec United
26 Dec - 02 Jan Arajet
27 Dec - 03 Jan Arajet
20 Dec - 20 Dec Copa
22 Dec - 27 Dec Copa
08 Dec - 15 Dec jetBlue direct
22 Dec - 27 Dec jetBlue direct

Also check the deals for one-way flights from Cancun 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.

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