Cheapest one-way flights from Raleigh-durham to San Juan in October from $107

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

One-Way flights

02 Oct Spirit Airlines
20 Oct Spirit Airlines
21 Oct Frontier Airlines
17 Oct Spirit Airlines
01 Oct Frontier Airlines
20 Oct jetBlue direct
10 Oct Avelo Airlines
19 Oct Spirit Airlines
18 Oct Delta
17 Oct jetBlue direct

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

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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