Cheapest one-way flights from Raleigh-durham to San Juan in September from 116€

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

03 Sep Frontier Airlines
02 Sep Frontier Airlines
24 Sep Frontier Airlines
13 Sep Frontier Airlines
26 Sep Frontier Airlines
30 Sep Frontier Airlines
18 Sep Frontier Airlines
11 Sep Frontier Airlines
01 Sep Frontier Airlines
04 Sep Frontier Airlines

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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