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

One-Way flights

14 Sep	Thai Lion Air
15 Sep	Thai VietJet Air
18 Sep	Hainan Airlines
11 Sep	Thai Lion Air
22 Sep	IndiGo
28 Sep	Thai Lion Air
10 Sep	Indonesia AirAsia
19 Sep	Indonesia AirAsia
16 Sep	Thai Lion Air
23 Sep	IndiGo

Also check the deals for return 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 one-way flights from Bangkok to Milano in September from $292

One-Way flights