Cheapest return flights from Raleigh-durham to Keflavik in September from 495€

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 September 2025 (see full year).

Return flights

09 Sep - 02 Oct Delta
01 Sep - 11 Sep Delta
16 Sep - 22 Sep United
12 Sep - 20 Sep Lufthansa
01 Sep - 11 Sep Icelandair direct
16 Sep - 22 Sep Icelandair direct
20 Sep - 27 Sep Icelandair direct
12 Sep - 20 Sep Icelandair direct

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

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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