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

Return flights

22 Sep - 30 Sep	Air India
23 Sep - 30 Sep	Air India
23 Sep - 28 Sep	Air India
13 Sep - 21 Sep	Air India
14 Sep - 21 Sep	Air India
29 Sep - 07 Oct	Air India
19 Sep - 28 Sep	Air India
27 Sep - 02 Oct	Air India
23 Sep - 27 Sep	Air India
27 Sep - 11 Oct	Air India
29 Sep - 06 Oct	Air India
22 Sep - 29 Sep	Etihad Airways
16 Sep - 23 Sep	Etihad Airways
14 Sep - 25 Sep	Indonesia AirAsia
16 Sep - 03 Oct	Etihad Airways
23 Sep - 02 Oct	Etihad Airways
28 Sep - 08 Oct	Etihad Airways
24 Sep - 04 Oct	Gulf Air
15 Sep - 05 Oct	Emirates
16 Sep - 05 Oct	Emirates

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 $510

Return flights