AirHint found the following cheapest return flights from Gdansk (GDN) to Keflavik (KEF) in September 2025 (see full year).

Return flights

30 Sep - 18 Oct	Wizz Air	direct
30 Sep - 11 Oct	Wizz Air	direct
30 Sep - 07 Oct	Wizz Air	direct
30 Sep - 15 Oct	Wizz Air	direct
28 Sep - 18 Oct	Wizz Air	direct
28 Sep - 11 Oct	Wizz Air	direct
28 Sep - 07 Oct	Wizz Air	direct
20 Sep - 07 Oct	Wizz Air	direct
10 Sep - 16 Sep	Norwegian
28 Sep - 15 Oct	Wizz Air	direct
28 Sep - 04 Oct	Ryanair
11 Sep - 19 Sep	Ryanair
11 Sep - 16 Sep	Ryanair
25 Sep - 29 Sep	Ryanair
21 Sep - 27 Sep	Ryanair
20 Sep - 27 Sep	Ryanair
20 Sep - 27 Sep	Wizz Air	direct
03 Sep - 09 Sep	Norwegian
17 Sep - 23 Sep	Norwegian
13 Sep - 16 Sep	Ryanair

Also check the deals for one-way flights from Gdansk to Keflavik in September.

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 Gdansk to Keflavik in September from 177€

Return flights