Cheapest return flights from Raleigh-durham to San Juan in March from $228

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

Return flights

06 Mar - 13 Mar Frontier Airlines direct
07 Mar - 10 Mar Frontier Airlines
07 Mar - 14 Mar Frontier Airlines direct
25 Mar - 31 Mar jetBlue
25 Mar - 31 Mar jetBlue direct
14 Mar - 21 Mar Delta direct
05 Mar - 08 Mar jetBlue direct
16 Mar - 20 Mar jetBlue direct
05 Mar - 09 Mar jetBlue
05 Mar - 09 Mar jetBlue direct
27 Mar - 09 Apr American Airlines

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

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