AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in April 2026 (see full year).
Return flights
| 08 Apr - 11 Apr | Frontier Airlines | ||
| 03 Apr - 10 Apr | jetBlue | ||
| 15 Apr - 21 Apr | jetBlue | direct | |
| 03 Apr - 10 Apr | Frontier Airlines | direct |
Also check the deals for one-way flights from Raleigh-durham to San Juan in April.
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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