Cheapest return flights from Trenton to San Juan in June from 183€

AirHint found the following cheapest return flights from Trenton (TTN) to San Juan (SJU) in June 2026 (see full year).

Return flights

05 Jun - 08 Jun Frontier Airlines
03 Jun - 06 Jun Frontier Airlines
06 Jun - 08 Jun Frontier Airlines
04 Jun - 05 Jun Frontier Airlines
04 Jun - 06 Jun Frontier Airlines
04 Jun - 07 Jun Frontier Airlines
04 Jun - 08 Jun Frontier Airlines
01 Jun - 05 Jun Frontier Airlines
05 Jun - 11 Jun Frontier Airlines
07 Jun - 11 Jun Frontier Airlines
25 Jun - 01 Jul Allegiant Air
28 Jun - 05 Jul Frontier Airlines

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

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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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