Cheapest one-way flights from Raleigh-durham to San Juan in December from 106€

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

30 Dec Frontier Airlines
08 Dec Spirit Airlines
03 Dec Spirit Airlines
02 Dec Avelo Airlines
01 Dec Spirit Airlines
11 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
09 Dec Frontier Airlines
15 Dec Spirit Airlines
01 Dec Frontier Airlines direct

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

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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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