Cheapest one-way flights from Miami to San Juan in January from $83

AirHint found the following cheapest one-way flights from Miami (MIA) to San Juan (SJU) in January 2026 (see full year).

One-Way flights

10 Jan Frontier Airlines direct
08 Jan Frontier Airlines direct
27 Jan American Airlines direct
28 Jan American Airlines direct
11 Jan Frontier Airlines direct
14 Jan Frontier Airlines
17 Jan American Airlines direct
30 Jan American Airlines direct
09 Jan Frontier Airlines direct
15 Jan Frontier Airlines direct

Also check the deals for return flights from Miami to San Juan in January.

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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