Cheapest return flights from Miami to San Juan in January from $162

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

Return flights

08 Jan - 15 Jan Frontier Airlines direct
08 Jan - 11 Jan Frontier Airlines direct
30 Jan - 07 Feb Frontier Airlines
22 Jan - 28 Jan American Airlines direct
01 Jan - 10 Jan Spirit Airlines direct
24 Jan - 25 Jan Frontier Airlines
14 Jan - 20 Jan American Airlines direct
17 Jan - 29 Jan American Airlines direct
22 Jan - 01 Feb Frontier Airlines
30 Jan - 07 Feb American Airlines direct
08 Jan - 29 Jan Spirit Airlines direct
09 Jan - 29 Jan Spirit Airlines direct
08 Jan - 16 Jan Spirit Airlines direct
18 Jan - 05 Feb Spirit Airlines direct
19 Jan - 05 Feb Spirit Airlines direct
23 Jan - 05 Feb Spirit Airlines direct
25 Jan - 05 Feb Spirit Airlines direct
26 Jan - 05 Feb Spirit Airlines direct
29 Jan - 05 Feb Spirit Airlines direct
30 Jan - 05 Feb 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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