Cheapest return flights from Raleigh-durham to Keflavik in March from $427

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

Return flights

23 Mar - 27 Mar Icelandair direct
25 Mar - 13 Apr Icelandair direct
15 Mar - 20 Mar jetBlue
15 Mar - 20 Mar Icelandair direct
12 Mar - 04 Apr Lufthansa
13 Mar - 04 Apr jetBlue
13 Mar - 22 Mar jetBlue
13 Mar - 22 Mar Icelandair direct
13 Mar - 04 Apr Icelandair direct

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

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