Cheapest one-way flights from Raleigh-durham to San Juan in May from $93

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

07 May Frontier Airlines
08 May Frontier Airlines
01 May Frontier Airlines
30 May Frontier Airlines
31 May Frontier Airlines
31 May Frontier Airlines direct
08 May Frontier Airlines direct
30 May jetBlue direct
29 May Breeze Airways
07 May jetBlue 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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