AirHint found the following cheapest one-way flights from Raleigh-durham (RDU) to San Juan (SJU) in April 2025 (see full year).
04 Apr | Frontier Airlines | direct | |
11 Apr | Frontier Airlines | direct | |
18 Apr | Frontier Airlines | direct | |
07 Apr | Frontier Airlines | direct | |
14 Apr | Frontier Airlines | direct |
Also check the deals for return 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.