Cheapest return flights from Trenton to San Juan in May from $168

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 May 2025 (see full year).

Return flights

07 May - 14 May Frontier Airlines
06 May - 14 May Frontier Airlines
07 May - 12 May Frontier Airlines
12 May - 15 May Frontier Airlines
09 May - 13 May Frontier Airlines
10 May - 13 May Frontier Airlines
02 May - 07 May Frontier Airlines
04 May - 07 May Frontier Airlines
04 May - 06 May Frontier Airlines
09 May - 12 May Frontier Airlines
29 May - 02 Jun Frontier Airlines
30 May - 02 Jun Frontier Airlines
29 May - 03 Jun Frontier Airlines
28 May - 02 Jun Frontier Airlines
24 May - 01 Jun Frontier Airlines
28 May - 03 Jun Frontier Airlines
25 May - 09 Jun Frontier Airlines
23 May - 01 Jun Frontier Airlines
27 May - 13 Jun Frontier Airlines
23 May - 25 Jun Frontier Airlines

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

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan