Cheapest return flights from Raleigh-durham to San Juan in March from $125

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

Return flights

01 Mar - 04 Mar Frontier Airlines
01 Mar - 06 Mar Frontier Airlines direct
04 Mar - 11 Mar Frontier Airlines
03 Mar - 07 Mar Frontier Airlines
02 Mar - 06 Mar Frontier Airlines
05 Mar - 11 Mar Frontier Airlines
07 Mar - 11 Mar Frontier Airlines
05 Mar - 10 Mar Frontier Airlines
22 Mar - 26 Mar Frontier Airlines
16 Mar - 20 Mar Frontier Airlines direct
29 Mar - 04 Apr Frontier Airlines
27 Mar - 01 Apr Breeze Airways
26 Mar - 04 Apr Frontier Airlines
28 Mar - 04 Apr Frontier Airlines
28 Mar - 05 Apr Frontier Airlines
27 Mar - 04 Apr Frontier Airlines
28 Mar - 04 Apr Delta direct

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

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