Cheapest one-way flights from Raleigh-durham to San Juan in December from $82

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

One-Way flights

04 Dec Frontier Airlines direct
05 Dec Frontier Airlines direct
07 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
11 Dec Frontier Airlines direct
30 Dec Avelo Airlines
16 Dec jetBlue
29 Dec Frontier Airlines direct
30 Dec Frontier Airlines direct
01 Dec jetBlue direct

Also check the deals for return 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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