Cheapest return flights from Trenton to San Juan in March from $195

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

Return flights

04 Mar - 10 Mar Frontier Airlines
04 Mar - 09 Mar Frontier Airlines
02 Mar - 05 Mar Frontier Airlines
01 Mar - 05 Mar Frontier Airlines
04 Mar - 08 Mar Frontier Airlines
03 Mar - 08 Mar Frontier Airlines
02 Mar - 06 Mar Frontier Airlines
05 Mar - 09 Mar Frontier Airlines
18 Mar - 25 Mar Frontier Airlines
09 Mar - 12 Mar Frontier Airlines
26 Mar - 01 Apr Frontier Airlines
27 Mar - 01 Apr Frontier Airlines
27 Mar - 02 Apr Frontier Airlines
29 Mar - 02 Apr Frontier Airlines
30 Mar - 02 Apr Frontier Airlines
30 Mar - 06 Apr Frontier Airlines
27 Mar - 04 Apr Frontier Airlines
30 Mar - 04 Apr Frontier Airlines
05 Mar - 03 Apr Frontier Airlines
30 Mar - 03 Apr Frontier Airlines

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

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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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