Cheapest return flights from Raleigh-durham to Keflavik in May from $664
AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Keflavik (KEF) in May 2025 (see full year).
Return flights
| 20 May - 26 May | Icelandair | direct | |
| 12 May - 19 May | Icelandair | direct | |
| 07 May - 23 May | Icelandair | direct |
Also check the deals for one-way flights from Raleigh-durham to Keflavik in May.
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.
