Cheapest one-way flights from Raleigh-durham to San Juan in September from $84

AirHint found the following cheapest one-way flights from Raleigh-durham (RDU) to San Juan (SJU) in September 2025 (see full year).

One-Way flights

07 Sep Frontier Airlines
05 Sep Frontier Airlines
08 Sep Frontier Airlines
09 Sep Frontier Airlines
11 Sep Frontier Airlines
12 Sep Frontier Airlines
10 Sep Frontier Airlines
07 Sep jetBlue direct
05 Sep jetBlue direct
08 Sep jetBlue direct

Also check the deals for return flights from Raleigh-durham to San Juan in September.

Skyscanner

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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