Cheapest return flights from Miami to San Juan in January from 103€

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

Return flights

05 Jan - 10 Jan Frontier Airlines direct
07 Jan - 10 Jan Frontier Airlines direct
06 Jan - 10 Jan Frontier Airlines direct
01 Jan - 08 Jan Frontier Airlines direct
05 Jan - 12 Jan Frontier Airlines direct
18 Jan - 22 Jan Frontier Airlines
06 Jan - 14 Jan Frontier Airlines
02 Jan - 06 Jan Frontier Airlines direct
04 Jan - 08 Jan Frontier Airlines direct
30 Jan - 06 Feb Frontier Airlines direct
15 Jan - 18 Jan Frontier Airlines direct
30 Jan - 01 Feb Frontier Airlines
29 Jan - 01 Feb Spirit Airlines
31 Jan - 07 Feb Southwest Airlines
30 Jan - 01 Feb Spirit Airlines direct
30 Jan - 09 Feb Spirit Airlines direct
30 Jan - 05 Feb Spirit Airlines direct
30 Jan - 08 Feb Spirit Airlines direct
26 Jan - 01 Feb Spirit Airlines direct
26 Jan - 09 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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