AirHint found the following cheapest return flights from Tokyo (HND) to Singapore (SIN) in September 2025 (see full year).

Return flights

17 Sep - 22 Sep	China Eastern
02 Sep - 09 Sep	China Eastern
10 Sep - 15 Sep	China Eastern
19 Sep - 22 Sep	China Eastern
19 Sep - 23 Sep	China Eastern
04 Sep - 11 Sep	China Eastern
16 Sep - 19 Sep	China Eastern
04 Sep - 14 Sep	China Eastern
04 Sep - 13 Sep	China Eastern
17 Sep - 19 Sep	China Eastern
26 Sep - 09 Oct	AirAsia X
25 Sep - 01 Oct	AirAsia X
26 Sep - 08 Oct	AirAsia X
25 Sep - 02 Oct	AirAsia X
27 Sep - 22 Oct	VietJet Air
24 Sep - 07 Oct	VietJet Air
24 Sep - 08 Oct	VietJet Air
28 Sep - 01 Oct	VietJet Air
25 Sep - 07 Oct	AirAsia X
30 Sep - 02 Oct	VietJet Air

Also check the deals for one-way flights from Tokyo to Singapore 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 Singapore in September from $221

Return flights