Cheapest return flights from Trenton to San Juan in May from 393€

Best time to book flights for Trenton (TTN) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Trenton (TTN) to San Juan (SJU) in May 2025 (see full year).

Return flights

15 May - 21 May Frontier Airlines
01 May - 07 May Frontier Airlines
02 May - 06 May Frontier Airlines
09 May - 19 May Frontier Airlines
15 May - 19 May Frontier Airlines
09 May - 11 May Frontier Airlines
01 May - 04 May Frontier Airlines
02 May - 05 May Frontier Airlines
01 May - 05 May Frontier Airlines
13 May - 25 May Frontier Airlines

Also check the deals for one-way flights from Trenton to San Juan in May.

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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