Cheapest return flights from Raleigh-durham to Keflavik in December from 372€

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

Return flights

08 Dec - 17 Dec Icelandair direct
14 Dec - 19 Dec Icelandair direct
15 Dec - 19 Dec Icelandair direct
28 Dec - 17 Jan Icelandair direct
22 Dec - 29 Dec Icelandair direct
22 Dec - 26 Dec Icelandair direct
22 Dec - 27 Dec Icelandair direct
21 Dec - 26 Dec Icelandair direct
23 Dec - 30 Dec Frontier Airlines
19 Dec - 10 Jan Frontier Airlines
08 Dec - 03 Jan Frontier Airlines
22 Dec - 02 Jan Icelandair
26 Dec - 03 Jan Spirit Airlines

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

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