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

05 Jan Frontier Airlines
07 Jan Frontier Airlines
08 Jan Frontier Airlines
12 Jan Frontier Airlines
29 Jan Frontier Airlines
19 Jan Frontier Airlines
10 Jan Frontier Airlines
25 Jan Frontier Airlines
05 Jan Frontier Airlines direct
06 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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