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

Return flights

25 Sep - 26 Oct	Ryanair
23 Sep - 01 Oct	Ryanair
21 Sep - 06 Oct	Ryanair
25 Sep - 02 Oct	Ryanair
26 Sep - 10 Oct	Wizz Air
27 Sep - 11 Oct	Wizz Air
19 Sep - 29 Sep	Wizz Air
18 Sep - 01 Oct	Ryanair
22 Sep - 25 Sep	Ryanair
21 Sep - 28 Sep	Ryanair
30 Sep - 05 Oct	Ryanair
19 Sep - 23 Sep	Wizz Air
26 Sep - 11 Oct	Wizz Air
19 Sep - 04 Oct	Wizz Air
20 Sep - 27 Sep	Ryanair
19 Sep - 21 Sep	Wizz Air

Also check the deals for one-way flights from Gdansk to Bangkok 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 Bangkok in September from 427€

Return flights