Cheapest return flights from Raleigh-durham to San Juan in December from 152€

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in December 2025 (see full year).

Return flights

12 Dec - 17 Dec Frontier Airlines
14 Dec - 20 Dec Frontier Airlines direct
11 Dec - 20 Dec Frontier Airlines
12 Dec - 16 Dec Frontier Airlines
15 Dec - 22 Dec Frontier Airlines
12 Dec - 15 Dec Frontier Airlines
13 Dec - 17 Dec Frontier Airlines
10 Dec - 17 Dec Frontier Airlines
15 Dec - 21 Dec Frontier Airlines
14 Dec - 18 Dec Frontier Airlines
26 Dec - 08 Jan Frontier Airlines
30 Dec - 06 Jan Frontier Airlines
31 Dec - 06 Jan Frontier Airlines
30 Dec - 05 Jan Frontier Airlines
26 Dec - 06 Jan Frontier Airlines
30 Dec - 04 Jan Frontier Airlines
29 Dec - 03 Jan Frontier Airlines
29 Dec - 02 Jan Frontier Airlines
27 Dec - 03 Jan Frontier Airlines
20 Dec - 03 Jan Frontier Airlines

Also check the deals for one-way flights from Raleigh-durham to San Juan in December.

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