AirHint found the following cheapest return flights from Copenhagen (CPH) to Keflavik (KEF) in July 2025 (see full year).

Return flights

30 Jul - 05 Aug	Scandinavian Airlines
29 Jul - 06 Aug	Scandinavian Airlines
26 Jul - 07 Aug	Ryanair
29 Jul - 07 Aug	Wizz Air
23 Jul - 11 Aug	Ryanair
27 Jul - 05 Aug	Wizz Air
31 Jul - 06 Aug	Scandinavian Airlines
31 Jul - 04 Aug	Scandinavian Airlines
23 Jul - 06 Aug	Wizz Air
25 Jul - 31 Jul	Scandinavian Airlines
27 Jul - 06 Aug	Wizz Air
24 Jul - 31 Jul	Scandinavian Airlines
23 Jul - 30 Jul	Ryanair
25 Jul - 27 Jul	Scandinavian Airlines
22 Jul - 29 Jul	Ryanair
22 Jul - 30 Jul	Ryanair
22 Jul - 24 Jul	Ryanair
16 Jul - 20 Jul	Wizz Air
22 Jul - 28 Jul	Ryanair
22 Jul - 27 Jul	Ryanair

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

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 July from $283

Return flights