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

Return flights

19 Mar - 23 Mar	Wizz Air
16 Mar - 25 Mar	Wizz Air
05 Mar - 08 Mar	Wizz Air
19 Mar - 22 Mar	Wizz Air
17 Mar - 23 Mar	Wizz Air
12 Mar - 22 Mar	Wizz Air
12 Mar - 23 Mar	Wizz Air
12 Mar - 19 Mar	Wizz Air
05 Mar - 09 Mar	Wizz Air
16 Mar - 22 Mar	Wizz Air
31 Mar - 04 Apr	Norwegian
30 Mar - 04 Apr	Scandinavian Airlines
29 Mar - 01 Apr	Icelandair	direct
30 Mar - 02 Apr	Icelandair	direct
31 Mar - 04 Apr	Icelandair	direct

Also check the deals for one-way flights from Keflavik to Copenhagen 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 Keflavik to Copenhagen in March from 145€

Return flights