Cheapest one-way flights from San Juan to San Jose in December from 135€

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

One-Way flights

04 Dec Southwest Airlines
15 Dec Spirit Airlines
12 Dec Spirit Airlines
26 Dec Spirit Airlines
19 Dec Spirit Airlines

Also check the deals for return flights from San Juan to San Jose 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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