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

Return flights

21 Sep - 02 Oct	SWISS
21 Sep - 05 Oct	SWISS
23 Sep - 14 Oct	SWISS
21 Sep - 06 Oct	SWISS
29 Sep - 15 Oct	Austrian Airlines
22 Sep - 06 Oct	Austrian Airlines
29 Sep - 06 Oct	Austrian Airlines
23 Sep - 30 Sep	SWISS
24 Sep - 01 Oct	Austrian Airlines
10 Sep - 24 Sep	KLM
22 Sep - 29 Sep	Austrian Airlines
18 Sep - 09 Oct	KLM
25 Sep - 02 Oct	SWISS
11 Sep - 24 Sep	KLM
10 Sep - 25 Sep	KLM
11 Sep - 25 Sep	KLM
18 Sep - 25 Sep	KLM
10 Sep - 23 Sep	KLM
17 Sep - 24 Sep	KLM
11 Sep - 23 Sep	KLM

Also check the deals for one-way flights from Bologna 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 Bologna to Bangkok in September from 462€

Return flights