Cheapest return flights from Raleigh-durham to Keflavik in September from $695
AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Keflavik (KEF) in September 2025 (see full year).
Return flights
| 07 Sep - 13 Sep | Icelandair | direct | |
| 06 Sep - 13 Sep | Icelandair | direct |
Also check the deals for one-way 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.
