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

Return flights

27 Aug - 02 Sep	China Southern
29 Aug - 02 Sep	China Southern
28 Aug - 02 Sep	China Southern
27 Aug - 03 Sep	China Southern
28 Aug - 01 Sep	China Southern
30 Aug - 01 Sep	China Southern
31 Aug - 03 Sep	China Southern
26 Aug - 30 Aug	China Southern
27 Aug - 30 Aug	China Southern
28 Aug - 30 Aug	China Southern
29 Aug - 31 Aug	China Southern
28 Aug - 31 Aug	China Southern
22 Aug - 27 Aug	ANA
20 Aug - 25 Aug	Juneyao Airlines
04 Aug - 07 Aug	ANA
24 Aug - 31 Aug	AirAsia X
19 Aug - 26 Aug	VietJet Air
29 Aug - 05 Sep	AirAsia X
25 Aug - 09 Sep	AirAsia X
27 Aug - 09 Sep	AirAsia X

Also check the deals for one-way flights from Tokyo to Singapore in August.

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 August from $246

Return flights