AirHint found the following cheapest return flights from Warsaw (WAW) to Keflavik (KEF) in January 2026 (see full year).

Return flights

21 Jan - 26 Jan	Wizz Air	direct
21 Jan - 24 Jan	Wizz Air	direct
11 Jan - 15 Jan	Wizz Air	direct
11 Jan - 17 Jan	Wizz Air	direct
11 Jan - 26 Jan	Wizz Air	direct
11 Jan - 24 Jan	Wizz Air	direct
14 Jan - 17 Jan	Wizz Air
18 Jan - 26 Jan	Wizz Air	direct
14 Jan - 17 Jan	Wizz Air	direct
14 Jan - 26 Jan	Wizz Air	direct
29 Jan - 01 Feb	Lufthansa
29 Jan - 01 Feb	LOT	direct

Also check the deals for one-way flights from Warsaw to Keflavik in January.

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 Warsaw to Keflavik in January from 136€

Return flights