Cheapest one-way flights from San Jose to San Juan in May from $416
AirHint found the following cheapest one-way flights from San Jose (SJC) to San Juan (SJU) in May 2025 (see full year).
One-Way flights
| 02 May | Alaska Airlines | ||
| 22 May | Alaska Airlines | ||
| 29 May | Alaska Airlines |
Also check the deals for return flights from San Jose to San Juan in May.
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.
