AirHint found the following cheapest return flights from Katowice (KTW) to Keflavik (KEF) in August 2025 (see full year).

Return flights

28 Aug - 16 Sep	Ryanair
30 Aug - 16 Sep	Wizz Air	direct
28 Aug - 16 Sep	Wizz Air	direct
30 Aug - 13 Sep	Wizz Air	direct
30 Aug - 18 Sep	Wizz Air	direct
28 Aug - 02 Sep	Wizz Air	direct
30 Aug - 04 Sep	Lufthansa
30 Aug - 11 Sep	Wizz Air	direct
28 Aug - 13 Sep	Wizz Air	direct
30 Aug - 07 Sep	Wizz Air	direct
27 Aug - 31 Aug	Fly Play	direct
21 Aug - 28 Aug	Lufthansa
23 Aug - 31 Aug	Ryanair
21 Aug - 24 Aug	Wizz Air	direct
26 Aug - 31 Aug	Ryanair
30 Aug - 31 Aug	Wizz Air	direct
20 Aug - 24 Aug	Ryanair
25 Aug - 31 Aug	Ryanair
21 Aug - 23 Aug	Wizz Air	direct
23 Aug - 26 Aug	Wizz Air

Also check the deals for one-way flights from Katowice to Keflavik in August.

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 Katowice to Keflavik in August from 187€

Return flights