Cheapest return flights from Raleigh-durham to San Juan in September from $297
AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in September 2025 (see full year).
Return flights
| 08 Sep - 12 Sep | United | ||
| 01 Sep - 04 Sep | Southwest Airlines | ||
| 10 Sep - 16 Sep | jetBlue | ||
| 01 Sep - 04 Sep | jetBlue | direct | |
| 10 Sep - 16 Sep | jetBlue | direct |
Also check the deals for one-way flights from Raleigh-durham to San Juan in September.
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.
