Cheapest return flights from Miami to San Juan in December from 83€

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

Return flights

05 Dec - 08 Dec Frontier Airlines direct
04 Dec - 08 Dec Frontier Airlines direct
11 Dec - 15 Dec Frontier Airlines direct
04 Dec - 13 Dec Frontier Airlines
04 Dec - 07 Dec Frontier Airlines direct
05 Dec - 07 Dec Frontier Airlines direct
12 Dec - 14 Dec Frontier Airlines direct
05 Dec - 09 Dec Frontier Airlines
31 Dec - 06 Jan Frontier Airlines direct
25 Dec - 31 Dec Frontier Airlines direct
15 Dec - 18 Dec Spirit Airlines direct
31 Dec - 08 Jan Spirit Airlines direct
28 Dec - 11 Jan Frontier Airlines direct
28 Dec - 08 Jan Spirit Airlines direct
29 Dec - 08 Jan Spirit Airlines direct
30 Dec - 08 Jan Spirit Airlines direct
31 Dec - 05 Jan Frontier Airlines direct
24 Dec - 01 Jan Frontier Airlines direct
29 Dec - 01 Jan Frontier Airlines direct
25 Dec - 01 Jan Frontier Airlines direct

Also check the deals for one-way flights from Miami to San Juan in December.

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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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