AirHint found the following cheapest return flights from Osaka (KIX) to Brussels (BRU) in September 2025 (see full year).

Return flights

04 Sep - 09 Sep	Hainan Airlines
01 Sep - 11 Sep	T'way Air
23 Sep - 30 Sep	Hainan Airlines
24 Sep - 29 Sep	Singapore Airlines
23 Sep - 29 Sep	Singapore Airlines
25 Sep - 02 Oct	Singapore Airlines
15 Sep - 07 Oct	Singapore Airlines
23 Sep - 08 Oct	Air China
06 Sep - 15 Sep	Singapore Airlines
16 Sep - 18 Sep	EVA Air
08 Sep - 12 Sep	EVA Air
11 Sep - 14 Sep	EVA Air
07 Sep - 12 Sep	Thai Airways
30 Sep - 07 Oct	Emirates

Also check the deals for one-way flights from Osaka to Brussels 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 Osaka to Brussels in September from 700€

Return flights