AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Keflavik (KEF) in May 2026 (see full year).
Return flights
| 08 May - 29 May | Icelandair | direct | |
| 27 May - 20 Jun | United | ||
| 27 May - 20 Jun | 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.
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