AirHint found the following cheapest return flights from Bangkok (DMK) to Milano (MXP) in September 2025 (see full year).

Return flights

28 Sep - 09 Oct	Batik Air Malaysia
25 Sep - 28 Sep	Thai Lion Air
10 Sep - 17 Sep	Thai AirAsia
19 Sep - 24 Sep	Thai AirAsia
08 Sep - 15 Sep	AirAsia
10 Sep - 15 Sep	Thai AirAsia
30 Sep - 14 Oct	Thai Lion Air
08 Sep - 16 Sep	AirAsia
28 Sep - 05 Oct	Thai Lion Air
27 Sep - 14 Oct	AirAsia
07 Sep - 14 Sep	Thai Lion Air
26 Sep - 28 Sep	Thai AirAsia X
22 Sep - 27 Sep	Thai AirAsia
19 Sep - 22 Sep	Thai AirAsia
18 Sep - 11 Oct	Thai Lion Air

Also check the deals for one-way flights from Bangkok to Milano 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 Bangkok to Milano in September from 584€

Return flights