Cheapest return flights from San Juan to San Jose in December from $439

AirHint found the following cheapest return flights from San Juan (SJU) to San Jose (SJO) in December 2025 (see full year).

Return flights

26 Dec - 13 Jan Spirit Airlines
26 Dec - 12 Jan Spirit Airlines
28 Dec - 04 Jan Spirit Airlines
28 Dec - 13 Jan Spirit Airlines
29 Dec - 13 Jan Spirit Airlines
28 Dec - 17 Jan Spirit Airlines
28 Dec - 12 Jan Spirit Airlines
29 Dec - 17 Jan Spirit Airlines
29 Dec - 12 Jan Spirit Airlines
26 Dec - 29 Dec Spirit Airlines
27 Dec - 13 Jan Spirit Airlines
26 Dec - 30 Dec Spirit Airlines
28 Dec - 29 Dec Spirit Airlines
28 Dec - 30 Dec Spirit Airlines
29 Dec - 30 Dec Spirit Airlines
27 Dec - 29 Dec Spirit Airlines
27 Dec - 30 Dec Spirit Airlines
25 Dec - 29 Dec Spirit Airlines
25 Dec - 30 Dec Spirit Airlines
27 Dec - 28 Dec Spirit Airlines

Also check the deals for one-way flights from San Juan to San Jose in December.

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