Cheapest one-way flights from Raleigh-durham to San Juan in January from $77

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
19 Jan Frontier Airlines
11 Jan Frontier Airlines direct
08 Jan Frontier Airlines direct
05 Jan Frontier Airlines direct
22 Jan Frontier Airlines
01 Jan Frontier Airlines
21 Jan jetBlue direct
20 Jan jetBlue direct
04 Jan Frontier Airlines 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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