Cheapest return flights from Miami to San Juan in December from 100€

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

Return flights

31 Dec - 16 Jan Spirit Airlines direct
31 Dec - 15 Jan Spirit Airlines direct
30 Dec - 16 Jan Spirit Airlines direct
30 Dec - 15 Jan Spirit Airlines direct
31 Dec - 12 Jan Spirit Airlines direct
30 Dec - 12 Jan Spirit Airlines direct
31 Dec - 09 Jan Spirit Airlines direct
30 Dec - 09 Jan Spirit Airlines direct
28 Dec - 29 Dec Frontier Airlines direct
26 Dec - 28 Dec Frontier Airlines direct
26 Dec - 29 Dec Frontier Airlines direct
27 Dec - 16 Jan Spirit Airlines direct
27 Dec - 15 Jan Spirit Airlines direct
21 Dec - 25 Dec Spirit Airlines direct
30 Dec - 31 Dec Spirit Airlines direct
24 Dec - 25 Dec Spirit Airlines direct
28 Dec - 31 Dec Frontier Airlines direct
29 Dec - 31 Dec Frontier Airlines direct
27 Dec - 30 Dec Frontier Airlines direct
26 Dec - 30 Dec 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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