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

Return flights

28 Sep - 02 Oct	Singapore Airlines
29 Sep - 07 Oct	Singapore Airlines
02 Sep - 09 Sep	Hainan Airlines
03 Sep - 15 Sep	Cathay Pacific
22 Sep - 29 Sep	Singapore Airlines
23 Sep - 29 Sep	Singapore Airlines
18 Sep - 25 Sep	Singapore Airlines
17 Sep - 23 Sep	Cathay Pacific
14 Sep - 23 Sep	Cathay Pacific
19 Sep - 22 Sep	Cathay Pacific
05 Sep - 10 Sep	Thai AirAsia X
04 Sep - 10 Sep	Thai AirAsia X
27 Sep - 04 Oct	Singapore Airlines
24 Sep - 01 Oct	Singapore Airlines
24 Sep - 13 Oct	KLM
26 Sep - 03 Oct	Thai Airways
24 Sep - 01 Oct	ANA	direct

Also check the deals for one-way flights from Tokyo 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 Tokyo to Brussels in September from 672€

Return flights