Cheapest return flights from Raleigh-durham to San Juan in December from $192

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
04 Dec - 07 Dec Frontier Airlines direct
12 Dec - 20 Dec Frontier Airlines direct
05 Dec - 07 Dec Spirit Airlines
05 Dec - 07 Dec Frontier Airlines direct
06 Dec - 14 Dec Frontier Airlines
04 Dec - 08 Dec jetBlue direct
10 Dec - 16 Dec Frontier Airlines
05 Dec - 20 Dec Spirit Airlines
13 Dec - 16 Dec Frontier Airlines
30 Dec - 07 Jan Frontier Airlines
30 Dec - 06 Jan Frontier Airlines
31 Dec - 06 Jan Frontier Airlines
29 Dec - 07 Jan Frontier Airlines
29 Dec - 05 Jan Spirit Airlines
30 Dec - 03 Jan Spirit Airlines
29 Dec - 05 Jan Frontier Airlines direct
30 Dec - 04 Jan Frontier Airlines
20 Dec - 03 Jan Frontier Airlines
30 Dec - 07 Jan jetBlue direct

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

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