Cheapest one-way flights from Rio De Janeiro to San Juan in October from $265

AirHint found the following cheapest one-way flights from Rio De Janeiro (SDU) to San Juan (SJU) in October 2025 (see full year).

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.