Cheapest return flights from Trenton to San Juan in August from $284

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

Return flights

24 Aug - 28 Aug Frontier Airlines
14 Aug - 19 Aug Frontier Airlines
11 Aug - 14 Aug Frontier Airlines
12 Aug - 19 Aug Frontier Airlines
21 Aug - 28 Aug Frontier Airlines
09 Aug - 15 Aug Frontier Airlines
09 Aug - 16 Aug Frontier Airlines
05 Aug - 08 Aug Frontier Airlines
11 Aug - 15 Aug Frontier Airlines
08 Aug - 14 Aug Frontier Airlines
31 Aug - 05 Sep Frontier Airlines
30 Aug - 03 Sep Frontier Airlines
29 Aug - 07 Sep Frontier Airlines
22 Aug - 07 Sep Frontier Airlines
31 Aug - 07 Sep Frontier Airlines
29 Aug - 01 Sep Frontier Airlines
28 Aug - 01 Sep Frontier Airlines
27 Aug - 01 Sep Frontier Airlines
25 Aug - 02 Sep Frontier Airlines
29 Aug - 02 Sep Frontier Airlines

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

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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