Cheapest one-way flights from Trenton (TTN) to San Juan (SJU), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
09 Dec Frontier Airlines
07 Dec Frontier Airlines
10 Dec Frontier Airlines
13 Dec Frontier Airlines
05 Dec Frontier Airlines
04 Dec Frontier Airlines
12 Dec Frontier Airlines
16 Dec Frontier Airlines
31 Dec Frontier Airlines
02 Dec Frontier Airlines
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deals for return flights from Trenton to San Juan in December.

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Updated Sep 10, 2026.

About these fares

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