AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Keflavik (KEF) in October 2025 (see full year).
Return flights
| 22 Oct - 26 Oct | Icelandair | direct | |
| 07 Oct - 13 Oct | Icelandair | direct | |
| 15 Oct - 18 Oct | Frontier Airlines | ||
| 05 Oct - 08 Oct | Icelandair | direct | |
| 15 Oct - 18 Oct | Icelandair | direct |
Also check the deals for one-way flights from Raleigh-durham to Keflavik in October.
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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