Cheapest one-way flights from Newburgh to San Juan in January from $418

AirHint found the following cheapest one-way flights from Newburgh (SWF) to San Juan (SJU) in January 2026 (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.