Cheapest return flights from Miami to San Juan in December from 328€

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

Return flights

12 Dec - 20 Dec American Airlines direct
04 Dec - 07 Dec Southwest Airlines
02 Dec - 09 Dec Southwest Airlines
05 Dec - 09 Dec Southwest Airlines
05 Dec - 14 Dec Southwest Airlines
13 Dec - 21 Dec Southwest Airlines
15 Dec - 18 Dec Southwest Airlines
25 Dec - 12 Jan Southwest Airlines
29 Dec - 02 Jan Southwest Airlines
18 Dec - 11 Jan Southwest Airlines
22 Dec - 29 Dec Southwest Airlines
29 Dec - 04 Jan Southwest Airlines
23 Dec - 01 Jan Southwest Airlines
26 Dec - 11 Jan Southwest Airlines
21 Dec - 01 Jan Southwest Airlines
15 Dec - 26 Jan 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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