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

Return flights

16 Aug - 19 Aug	Jeju Air
31 Aug - 01 Sep	China Airlines
25 Aug - 31 Aug	Cathay Pacific
18 Aug - 22 Aug	Cathay Pacific
14 Aug - 20 Aug	ANA
13 Aug - 16 Aug	Cathay Pacific
11 Aug - 15 Aug	HK Express
10 Aug - 13 Aug	ANA

Also check the deals for one-way flights from Hiroshima 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 Hiroshima to Singapore in August from 413€

Return flights