AirHint found the following cheapest return flights from Copenhagen (CPH) to Keflavik (KEF) in August 2026 (see full year).

Return flights

20 Aug - 27 Aug	Scandinavian Airlines
19 Aug - 26 Aug	Scandinavian Airlines
13 Aug - 17 Aug	Icelandair
19 Aug - 26 Aug	Icelandair	direct
31 Aug - 07 Sep	Scandinavian Airlines
01 Aug - 04 Aug	Icelandair	direct
20 Aug - 27 Aug	Icelandair	direct
31 Aug - 07 Sep	Icelandair	direct
03 Aug - 06 Aug	Icelandair	direct
02 Aug - 05 Aug	Icelandair	direct
05 Aug - 09 Aug	KLM
09 Aug - 15 Aug	airBaltic

Also check the deals for one-way flights from Copenhagen to Keflavik in August.

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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Cheapest return flights from Copenhagen to Keflavik in August from 199€

Return flights