Cheapest one-way RDU–SJU flights, May

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

One-Way flights

26 May Frontier Airlines
26 May Frontier Airlines direct
15 May Frontier Airlines
11 May Frontier Airlines
25 May Frontier Airlines
28 May Frontier Airlines
17 May Breeze Airways
17 May Frontier Airlines direct
10 May Frontier Airlines direct
14 May Frontier Airlines direct

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

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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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