Cheapest return flights from Miami to San Juan in December from 143€

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

Return flights

05 Dec - 07 Dec Frontier Airlines direct
03 Dec - 10 Dec Spirit Airlines
06 Dec - 17 Dec Spirit Airlines
06 Dec - 23 Dec Spirit Airlines
06 Dec - 22 Dec Spirit Airlines
15 Dec - 03 Jan Frontier Airlines direct
17 Dec - 22 Dec Frontier Airlines
06 Dec - 24 Dec Spirit Airlines
06 Dec - 20 Dec Spirit Airlines
30 Dec - 16 Jan Spirit Airlines direct
30 Dec - 15 Jan Spirit Airlines direct
29 Dec - 01 Jan Frontier Airlines direct
18 Dec - 22 Dec Frontier Airlines direct
18 Dec - 23 Dec Frontier Airlines direct
29 Dec - 02 Jan Frontier Airlines direct
22 Dec - 02 Jan Frontier Airlines direct
29 Dec - 03 Jan Frontier Airlines direct
19 Dec - 15 Jan Frontier Airlines direct
30 Dec - 19 Jan Spirit Airlines direct
28 Dec - 03 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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