Cheapest return flights from Trenton to San Juan in October from 289€

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

Return flights

31 Oct - 03 Nov Frontier Airlines
30 Oct - 03 Nov Frontier Airlines
30 Oct - 02 Nov Frontier Airlines
30 Oct - 06 Nov Frontier Airlines
27 Oct - 29 Oct Frontier Airlines
26 Oct - 02 Nov Frontier Airlines
30 Oct - 07 Nov Frontier Airlines
25 Oct - 01 Nov Frontier Airlines
25 Oct - 29 Oct Frontier Airlines
30 Oct - 09 Nov Frontier Airlines
25 Oct - 27 Oct Frontier Airlines
27 Oct - 09 Nov Frontier Airlines

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

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