Cheapest return flights from Raleigh-durham to Keflavik in March from $503

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Keflavik (KEF) in March 2026 (see full year).

Return flights

23 Mar - 29 Mar Icelandair direct
02 Mar - 08 Mar Icelandair direct
18 Mar - 25 Mar Icelandair direct
23 Mar - 27 Mar Icelandair
24 Mar - 30 Mar Icelandair
30 Mar - 06 Apr Frontier Airlines
02 Mar - 01 Apr Icelandair
02 Mar - 01 Apr Icelandair direct
08 Mar - 18 Mar Icelandair direct
20 Mar - 25 Mar Icelandair direct
30 Mar - 06 Apr Icelandair direct
29 Mar - 10 Apr Icelandair direct
01 Mar - 31 Mar Icelandair
09 Mar - 15 Mar SWISS
11 Mar - 16 Mar Scandinavian Airlines

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

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