Cheapest return flights from Miami to San Juan in January from $124

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

Return flights

18 Jan - 23 Jan Frontier Airlines direct
09 Jan - 26 Jan Frontier Airlines direct
07 Jan - 11 Jan Frontier Airlines direct
06 Jan - 12 Jan Frontier Airlines direct
07 Jan - 12 Jan Frontier Airlines direct
09 Jan - 12 Jan Frontier Airlines direct
09 Jan - 13 Jan Frontier Airlines
09 Jan - 25 Jan Frontier Airlines direct
04 Jan - 08 Jan Frontier Airlines direct
09 Jan - 14 Jan Frontier Airlines
30 Jan - 04 Feb Frontier Airlines
22 Jan - 09 Feb Spirit Airlines direct
22 Jan - 08 Feb Spirit Airlines direct
25 Jan - 09 Feb Spirit Airlines direct
25 Jan - 08 Feb Spirit Airlines direct
30 Jan - 09 Feb Spirit Airlines direct
30 Jan - 08 Feb Spirit Airlines direct
28 Jan - 03 Feb Southwest Airlines
29 Jan - 03 Feb Southwest Airlines
30 Jan - 04 Feb American Airlines direct

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

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