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

Return flights

30 Sep - 30 Oct	Lufthansa
09 Sep - 21 Sep	Air France
17 Sep - 24 Sep	Air France
10 Sep - 21 Sep	Air France
10 Sep - 24 Sep	Air France
03 Sep - 24 Sep	KLM
10 Sep - 25 Sep	Air France
09 Sep - 24 Sep	Air France
07 Sep - 01 Oct	Air France
10 Sep - 05 Oct	Air France
07 Sep - 18 Sep	Air France
07 Sep - 21 Sep	Air France
14 Sep - 21 Sep	Air France
14 Sep - 05 Oct	Air France
16 Sep - 02 Oct	Air France
30 Sep - 14 Oct	Lufthansa
09 Sep - 27 Oct	Lufthansa
18 Sep - 02 Oct	Air France
16 Sep - 07 Oct	KLM
30 Sep - 12 Oct	Lufthansa

Also check the deals for one-way flights from Milan 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 Milan to Bangkok in September from 475€

Return flights