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

Return flights

21 Sep - 12 Oct	Lufthansa
20 Sep - 12 Oct	Lufthansa
22 Sep - 12 Oct	Lufthansa
01 Sep - 01 Oct	Lufthansa
15 Sep - 30 Sep	Lufthansa
12 Sep - 03 Oct	Lufthansa
18 Sep - 25 Sep	Lufthansa
01 Sep - 30 Sep	Lufthansa
30 Sep - 14 Oct	Lufthansa
25 Sep - 09 Oct	Lufthansa
24 Sep - 20 Oct	Turkish Airlines
18 Sep - 26 Sep	Turkish Airlines
20 Sep - 10 Oct	Lufthansa
21 Sep - 25 Sep	Turkish Airlines
20 Sep - 11 Oct	KLM

Also check the deals for one-way flights from Bremen 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 Bremen to Bangkok in September from $741

Return flights