Cheapest return flights from Trenton to San Juan in August from $223

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 August 2025 (see full year).

Return flights

26 Aug - 07 Sep Frontier Airlines
27 Aug - 05 Sep Frontier Airlines
29 Aug - 05 Sep Frontier Airlines
28 Aug - 04 Sep Frontier Airlines
24 Aug - 31 Aug Frontier Airlines
29 Aug - 31 Aug Frontier Airlines
22 Aug - 27 Aug Frontier Airlines
18 Aug - 25 Aug Frontier Airlines
31 Aug - 07 Sep Frontier Airlines
23 Aug - 27 Aug Frontier Airlines
22 Aug - 24 Aug Frontier Airlines
02 Aug - 08 Aug Frontier Airlines
28 Aug - 01 Sep Frontier Airlines
29 Aug - 01 Sep Frontier Airlines
14 Aug - 18 Aug Frontier Airlines
07 Aug - 11 Aug Frontier Airlines
15 Aug - 19 Aug Frontier Airlines

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

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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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