Cheapest return flights from Trenton to San Juan in January from 146€
AirHint found the following cheapest return flights from Trenton (TTN) to San Juan (SJU)
in January 2026 (see full year ).
Return flights
24 Jan
- 28 Jan
Frontier Airlines
146 €
27 Jan
- 29 Jan
Frontier Airlines
149 €
24 Jan
- 31 Jan
Frontier Airlines
149 €
31 Jan
- 04 Feb
Frontier Airlines
149 €
31 Jan
- 07 Feb
Frontier Airlines
149 €
12 Jan
- 15 Jan
Frontier Airlines
153 €
10 Jan
- 17 Jan
Frontier Airlines
153 €
10 Jan
- 31 Jan
Frontier Airlines
153 €
10 Jan
- 14 Jan
Frontier Airlines
153 €
14 Jan
- 17 Jan
Frontier Airlines
153 €
10 Jan
- 13 Jan
Frontier Airlines
153 €
22 Jan
- 29 Jan
Frontier Airlines
153 €
30 Jan
- 02 Feb
Frontier Airlines
200 €
28 Jan
- 01 Feb
Frontier Airlines
285 €
22 Jan
- 01 Feb
Frontier Airlines
288 €
04 Jan
- 15 Feb
Frontier Airlines
292 €
07 Jan
- 07 Feb
Frontier Airlines
304 €
25 Jan
- 01 Feb
Frontier Airlines
318 €
18 Jan
- 01 Feb
Frontier Airlines
318 €
Also check the deals for one-way flights from Trenton to San Juan in January .
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