AirHint found the following cheapest return flights from Cologne (CGN) to Keflavik (KEF) in July 2026 (see full year).

Return flights

28 Jul - 02 Aug	Eurowings
22 Jul - 31 Jul	Ryanair
22 Jul - 01 Aug	Ryanair
23 Jul - 02 Aug	Ryanair
18 Jul - 25 Jul	Ryanair
23 Jul - 01 Aug	Ryanair
19 Jul - 29 Jul	Ryanair
21 Jul - 30 Jul	Eurowings
21 Jul - 31 Jul	Ryanair
18 Jul - 29 Jul	Ryanair
20 Jul - 29 Jul	Eurowings
17 Jul - 28 Jul	Ryanair
20 Jul - 30 Jul	SWISS
20 Jul - 10 Aug	SWISS
20 Jul - 31 Jul	Eurowings

Also check the deals for one-way flights from Cologne 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 Cologne to Keflavik in July from 323€

Return flights