Cheapest return flights from Raleigh-durham to Keflavik in December from $578

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Keflavik (KEF) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec Icelandair direct
27 Dec - 01 Jan Icelandair direct
26 Dec - 31 Dec Icelandair
21 Dec - 24 Dec Icelandair

Also check the deals for one-way flights from Raleigh-durham to Keflavik in December.

Skyscanner

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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