Cheapest return flights from Miami to San Juan in December from 142€

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

Return flights

04 Dec - 07 Dec Frontier Airlines direct
04 Dec - 08 Dec Frontier Airlines direct
05 Dec - 08 Dec Frontier Airlines direct
05 Dec - 07 Dec Frontier Airlines direct
07 Dec - 10 Dec Frontier Airlines
06 Dec - 08 Dec Spirit Airlines
03 Dec - 09 Dec Frontier Airlines
14 Dec - 24 Dec Frontier Airlines direct
15 Dec - 24 Dec Frontier Airlines direct
15 Dec - 23 Dec Frontier Airlines direct
22 Dec - 26 Jan Frontier Airlines direct
15 Dec - 03 Jan Frontier Airlines direct
18 Dec - 03 Jan Frontier Airlines direct
30 Dec - 16 Jan Spirit Airlines direct
30 Dec - 15 Jan Spirit Airlines direct
25 Dec - 01 Jan Frontier Airlines direct
30 Dec - 08 Jan Spirit Airlines direct
30 Dec - 18 Jan Spirit Airlines direct
21 Dec - 01 Jan Frontier Airlines direct
27 Dec - 01 Jan Frontier Airlines direct

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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