AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in August 2026 (see full year).
Return flights
| 18 Aug - 23 Aug | Frontier Airlines | direct | |
| 01 Aug - 06 Aug | Frontier Airlines | ||
| 01 Aug - 05 Aug | Frontier Airlines | ||
| 13 Aug - 16 Aug | Frontier Airlines |
Also check the deals for one-way flights from Raleigh-durham to San Juan in August.
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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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