Cheapest return flights from Raleigh-durham to Keflavik in April from $452

Best time to book flights for Raleigh-durham (RDU) to Keflavik (KEF) flights at AirHint

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

Return flights

08 Apr - 21 May Frontier Airlines
11 Apr - 15 Apr Frontier Airlines
12 Apr - 16 Apr Frontier Airlines
30 Apr - 11 May Breeze Airways
04 Apr - 13 Apr Icelandair direct
30 Apr - 11 May Icelandair direct
12 Apr - 16 Apr Icelandair direct

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

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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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