Cheapest return flights from Trenton to San Juan in May from $294

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

29 May - 02 Jun Frontier Airlines
29 May - 01 Jun Frontier Airlines
24 May - 31 May Frontier Airlines
25 May - 28 May Frontier Airlines
24 May - 30 May Frontier Airlines
29 May - 31 May Frontier Airlines
27 May - 03 Jun Frontier Airlines
24 May - 27 May Frontier Airlines
31 May - 07 Jun Frontier Airlines
30 May - 01 Jun Frontier Airlines
17 May - 24 May Frontier Airlines
22 May - 25 May Frontier Airlines
21 May - 25 May Frontier Airlines
25 May - 27 May Frontier Airlines
27 May - 30 May Frontier Airlines
30 May - 02 Jun Frontier Airlines
30 May - 09 Jun Frontier Airlines
18 May - 02 Jun Frontier Airlines

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

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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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