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

Return flights

24 Mar - 26 Mar	easyJet
22 Mar - 26 Mar	easyJet
18 Mar - 25 Mar	easyJet
20 Mar - 25 Mar	Wizz Air
08 Mar - 16 Mar	Wizz Air
24 Mar - 31 Mar	Ryanair
02 Mar - 08 Mar	Wizz Air
06 Mar - 13 Mar	Wizz Air
22 Mar - 24 Mar	easyJet
18 Mar - 24 Mar	easyJet
24 Mar - 01 Apr	Ryanair
24 Mar - 09 Apr	Ryanair
26 Mar - 02 Apr	Ryanair
26 Mar - 07 Apr	Ryanair
31 Mar - 03 Apr	Scandinavian Airlines
31 Mar - 04 Apr	Norwegian
30 Mar - 02 Apr	Scandinavian Airlines
30 Mar - 03 Apr	Scandinavian Airlines
26 Mar - 07 Apr	Icelandair	direct
27 Mar - 02 Apr	easyJet

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 112€

Return flights