Cheapest return flights from Raleigh-durham to San Juan in December from $220

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

Return flights

08 Dec - 12 Dec Frontier Airlines
06 Dec - 14 Dec Spirit Airlines
04 Dec - 09 Dec Frontier Airlines
04 Dec - 08 Dec Frontier Airlines
04 Dec - 10 Dec Frontier Airlines
11 Dec - 16 Dec Frontier Airlines
03 Dec - 09 Dec jetBlue direct
08 Dec - 12 Dec jetBlue direct
04 Dec - 08 Dec Frontier Airlines direct
11 Dec - 15 Dec Frontier Airlines
18 Dec - 11 Jan Frontier Airlines
30 Dec - 04 Jan Frontier Airlines
13 Dec - 04 Jan Frontier Airlines
23 Dec - 01 Jan Frontier Airlines direct
22 Dec - 10 Jan Spirit Airlines
26 Dec - 10 Jan Spirit Airlines
18 Dec - 11 Jan jetBlue direct
30 Dec - 04 Jan jetBlue direct

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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