Cheapest return flights from Raleigh-durham to San Juan in December from 151€

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

Return flights

07 Dec - 11 Dec Frontier Airlines direct
07 Dec - 12 Dec Frontier Airlines direct
05 Dec - 12 Dec Frontier Airlines direct
05 Dec - 10 Dec Spirit Airlines
11 Dec - 14 Dec Frontier Airlines direct
06 Dec - 11 Dec Frontier Airlines
06 Dec - 10 Dec Frontier Airlines
09 Dec - 13 Dec United
03 Dec - 06 Dec Frontier Airlines
04 Dec - 09 Dec Frontier Airlines
30 Dec - 06 Jan Frontier Airlines direct
30 Dec - 13 Jan Frontier Airlines
31 Dec - 06 Jan Frontier Airlines
30 Dec - 05 Jan Frontier Airlines
30 Dec - 05 Jan Frontier Airlines direct
31 Dec - 05 Jan Frontier Airlines
26 Dec - 06 Jan Frontier Airlines direct
30 Dec - 04 Jan Frontier Airlines
20 Dec - 03 Jan Frontier Airlines
31 Dec - 07 Jan Spirit Airlines

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

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