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

Return flights

01 Mar - 04 Mar	Icelandair	direct
02 Mar - 05 Mar	Icelandair	direct
10 Mar - 13 Mar	Icelandair	direct
11 Mar - 14 Mar	Icelandair	direct
03 Mar - 06 Mar	Icelandair	direct
04 Mar - 07 Mar	Icelandair	direct
05 Mar - 08 Mar	Icelandair	direct
08 Mar - 11 Mar	Icelandair	direct
09 Mar - 12 Mar	Icelandair	direct
12 Mar - 15 Mar	Icelandair	direct
30 Mar - 02 Apr	Scandinavian Airlines
29 Mar - 01 Apr	Icelandair	direct
29 Mar - 05 Apr	Icelandair	direct
30 Mar - 02 Apr	Icelandair	direct

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

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 March from $185

Return flights