Cheapest one-way flights from Raleigh-durham to San Juan in January from 67€

AirHint found the following cheapest one-way flights from Raleigh-durham (RDU) to San Juan (SJU) in January 2026 (see full year).

One-Way flights

18 Jan Frontier Airlines direct
02 Jan Frontier Airlines
30 Jan Frontier Airlines
29 Jan Frontier Airlines
24 Jan Delta
28 Jan United
02 Jan Frontier Airlines direct
29 Jan jetBlue direct
24 Jan Delta direct

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

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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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