Cheapest return flights from San Jose to San Juan in December from 357€

Best time to book flights for San Jose (SJO) to San Juan (SJU) flights at AirHint

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

Return flights

29 Dec - 05 Jan Avianca direct
19 Dec - 25 Dec Avianca direct
15 Dec - 18 Dec Avianca direct
16 Dec - 21 Dec Avianca
23 Dec - 03 Jan Avianca

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

Skyscanner

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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