Cheapest return flights from San Jose to San Juan in December from $235

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

Return flights

09 Dec - 13 Dec Avianca
25 Dec - 31 Dec Copa
03 Dec - 09 Dec Copa
12 Dec - 16 Dec Copa
01 Dec - 03 Dec Spirit Airlines
25 Dec - 01 Jan Copa
12 Dec - 31 Dec Spirit Airlines
08 Dec - 16 Dec Spirit Airlines
12 Dec - 30 Dec Spirit Airlines
18 Dec - 21 Dec Avianca
10 Dec - 19 Dec Copa
30 Dec - 06 Jan Copa
12 Dec - 01 Jan Spirit Airlines
27 Dec - 13 Jan Spirit Airlines
28 Dec - 13 Jan Spirit Airlines
28 Dec - 11 Jan Spirit Airlines
27 Dec - 10 Jan Spirit Airlines
21 Dec - 10 Jan Spirit Airlines
28 Dec - 10 Jan Spirit Airlines
27 Dec - 16 Jan Spirit Airlines

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

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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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