AirHint found the following cheapest one-way flights from Raleigh-durham (RDU) to Keflavik (KEF) in September 2025 (see full year).
One-Way flights
| 26 Sep | Breeze Airways | ||
| 17 Sep | United | ||
| 09 Sep | United | ||
| 10 Sep | United | ||
| 17 Sep | Icelandair | direct | |
| 09 Sep | Icelandair | direct | |
| 10 Sep | Icelandair | direct | |
| 26 Sep | Icelandair | direct |
Also check the deals for return flights from Raleigh-durham to Keflavik 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.
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