Cheapest return flights from Trenton to San Juan in April from $166

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 April 2025 (see full year).

Return flights

02 Apr - 09 Apr Frontier Airlines
01 Apr - 09 Apr Frontier Airlines
02 Apr - 08 Apr Frontier Airlines
07 Apr - 10 Apr Frontier Airlines
16 Apr - 29 Apr Frontier Airlines
22 Apr - 29 Apr Frontier Airlines
29 Apr - 06 May Frontier Airlines
03 Apr - 08 Apr Frontier Airlines
01 Apr - 03 Apr Frontier Airlines
24 Apr - 30 Apr Frontier Airlines
28 Apr - 06 May Frontier Airlines
09 Apr - 14 Apr Frontier Airlines
28 Apr - 05 May Frontier Airlines
30 Apr - 02 May Frontier Airlines
30 Apr - 05 May Frontier Airlines
28 Apr - 21 May Frontier Airlines
05 Apr - 05 May Frontier Airlines
27 Apr - 05 May Frontier Airlines
25 Apr - 05 May Frontier Airlines
27 Apr - 12 May Frontier Airlines

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

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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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