Cheapest return flights from Raleigh-durham to San Juan in May from $182

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

Return flights

05 May - 08 May Frontier Airlines
04 May - 07 May Frontier Airlines
14 May - 18 May Frontier Airlines
01 May - 04 May Frontier Airlines
06 May - 10 May Frontier Airlines
01 May - 09 May Frontier Airlines
01 May - 03 May Frontier Airlines
08 May - 11 May Frontier Airlines
09 May - 14 May Frontier Airlines
03 May - 09 May Frontier Airlines
28 May - 02 Jun Frontier Airlines
28 May - 01 Jun jetBlue
28 May - 02 Jun Frontier Airlines direct
21 May - 01 Jun Spirit Airlines
28 May - 01 Jun jetBlue direct
21 May - 01 Jun jetBlue direct

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

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