Cheapest return flights from Miami to San Juan in December from $260

Best time to book flights for Miami (MIA) to San Juan (SJU) flights at AirHint

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

Return flights

10 Dec - 14 Dec American Airlines direct
27 Dec - 04 Jan jetBlue
20 Dec - 04 Jan jetBlue
12 Dec - 24 Dec Delta

Also check the deals for one-way flights from Miami 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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