Cheapest return flights from Trenton to San Juan in April from 152€

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

Return flights

27 Apr - 01 May Frontier Airlines
28 Apr - 02 May Frontier Airlines
19 Apr - 26 Apr Frontier Airlines
20 Apr - 27 Apr Frontier Airlines
11 Apr - 15 Apr Frontier Airlines
10 Apr - 14 Apr Frontier Airlines
10 Apr - 13 Apr Frontier Airlines
10 Apr - 15 Apr Frontier Airlines
16 Apr - 23 Apr Frontier Airlines
09 Apr - 16 Apr Frontier Airlines
08 Apr - 14 Apr Frontier Airlines
13 Apr - 14 Apr Frontier Airlines
28 Apr - 05 May Frontier Airlines
29 Apr - 04 May Frontier Airlines
30 Apr - 03 May Frontier Airlines
20 Apr - 07 May Frontier Airlines

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

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