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

Return flights

17 Sep - 30 Oct	Pegasus Airlines
26 Sep - 31 Oct	AJet
30 Sep - 23 Oct	Pegasus Airlines
24 Sep - 23 Oct	Pegasus Airlines
16 Sep - 28 Oct	Pegasus Airlines
08 Sep - 28 Oct	AJet
15 Sep - 29 Oct	AJet
17 Sep - 27 Oct	Pegasus Airlines
25 Sep - 29 Oct	Pegasus Airlines
07 Sep - 28 Oct	AJet
18 Sep - 29 Sep	Pegasus Airlines
20 Sep - 27 Sep	AJet
18 Sep - 23 Sep	Pegasus Airlines
12 Sep - 23 Sep	AJet
20 Sep - 24 Sep	AJet
24 Sep - 30 Sep	Pegasus Airlines
20 Sep - 29 Sep	AJet
16 Sep - 23 Sep	AJet
13 Sep - 30 Sep	AJet
23 Sep - 27 Sep	Pegasus Airlines

Also check the deals for one-way flights from Berlin 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 Berlin to Bangkok in September from $486

Return flights