Cheapest return flights from Raleigh-durham to San Juan in March from 251€

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

Return flights

02 Mar - 05 Mar Southwest Airlines
06 Mar - 12 Mar Frontier Airlines
25 Mar - 01 Apr United
26 Mar - 30 Mar Avelo Airlines
17 Mar - 21 Mar Delta
09 Mar - 13 Mar Frontier Airlines direct
06 Mar - 15 Mar Frontier Airlines
01 Mar - 21 Mar Delta
16 Mar - 20 Mar United
16 Mar - 20 Mar Frontier Airlines direct
13 Mar - 22 Mar Southwest Airlines

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

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