Cheapest one-way flights from Trenton to San Juan in January from $344
AirHint found the following cheapest one-way flights from Trenton (TTN) to San Juan (SJU) in January 2025 (see full year).
One-Way flights
Also check the deals for return flights from Trenton to San Juan in January.
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.
