Cheapest return flights from Miami to San Juan in January from $101

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

Return flights

18 Jan - 25 Jan Frontier Airlines direct
23 Jan - 25 Jan Frontier Airlines direct
18 Jan - 23 Jan Spirit Airlines direct
18 Jan - 22 Jan Spirit Airlines direct
26 Jan - 02 Feb Spirit Airlines direct
25 Jan - 29 Jan Spirit Airlines direct
23 Jan - 29 Jan Spirit Airlines direct
19 Jan - 29 Jan Spirit Airlines direct
18 Jan - 05 Feb Spirit Airlines direct
18 Jan - 07 Feb Spirit Airlines direct
18 Jan - 02 Feb Spirit Airlines direct
18 Jan - 06 Feb Spirit Airlines direct
25 Jan - 09 Feb Spirit Airlines direct
25 Jan - 05 Feb Spirit Airlines direct
25 Jan - 07 Feb Spirit Airlines direct
25 Jan - 02 Feb Spirit Airlines direct
25 Jan - 06 Feb Spirit Airlines direct
01 Jan - 25 Jan Frontier Airlines direct
15 Jan - 25 Jan Frontier Airlines direct
01 Jan - 22 Jan Spirit Airlines direct

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

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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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