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

Return flights

23 Sep - 01 Oct	Wizz Air
30 Sep - 07 Oct	Wizz Air
30 Sep - 04 Oct	Wizz Air
28 Sep - 04 Oct	Wizz Air
23 Sep - 30 Sep	Wizz Air
30 Sep - 01 Oct	Wizz Air
28 Sep - 30 Sep	Wizz Air
28 Sep - 16 Oct	Wizz Air	direct
27 Sep - 04 Oct	Ryanair
23 Sep - 02 Oct	Wizz Air
30 Sep - 02 Oct	Wizz Air
29 Sep - 08 Oct	Ryanair
22 Sep - 30 Sep	Ryanair
24 Sep - 30 Sep	Ryanair
25 Sep - 30 Sep	Wizz Air
27 Sep - 30 Sep	Wizz Air
25 Sep - 27 Sep	Wizz Air
09 Sep - 12 Sep	Ryanair
23 Sep - 29 Sep	Wizz Air
23 Sep - 27 Sep	Ryanair

Also check the deals for one-way flights from Gdansk to Barcelona 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 Barcelona in September from $114

Return flights