Cheapest one-way flights from Miami to San Juan in December from 89€

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

One-Way flights

12 Dec Frontier Airlines direct
06 Dec Spirit Airlines
11 Dec Frontier Airlines direct
10 Dec Frontier Airlines
29 Dec Frontier Airlines direct
24 Dec Frontier Airlines direct
30 Dec Spirit Airlines direct
19 Dec Frontier Airlines direct

Also check the deals for return 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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