AirHint found the following cheapest return flights from Katowice (KTW) to Keflavik (KEF) in May 2026 (see full year).

Return flights

02 May - 07 May	Lufthansa
09 May - 16 May	Lufthansa
02 May - 05 May	Lufthansa
03 May - 06 May	Wizz Air	direct
09 May - 17 May	LOT
21 May - 29 May	LOT
05 May - 10 May	LOT
03 May - 05 May	Wizz Air	direct
03 May - 07 May	Wizz Air	direct
05 May - 07 May	Wizz Air	direct
17 May - 03 Jun	Wizz Air	direct
30 May - 03 Jun	Wizz Air	direct
20 May - 03 Jun	Wizz Air	direct
17 May - 02 Jun	Wizz Air	direct
30 May - 18 Jun	Wizz Air	direct
23 May - 03 Jun	Wizz Air	direct
30 May - 16 Jun	Wizz Air	direct
28 May - 16 Jun	Wizz Air	direct
29 May - 03 Jun	LOT
28 May - 02 Jun	Wizz Air	direct

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

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 May from $212

Return flights