AirHint found the following cheapest return flights from Hiroshima (HIJ) to Bangkok (BKK) in October 2025 (see full year).

Return flights

28 Oct - 31 Oct	China Eastern
22 Oct - 30 Oct	Jeju Air
16 Oct - 19 Oct	Jeju Air
11 Oct - 13 Oct	Air China
31 Oct - 03 Nov	HK Express
31 Oct - 04 Nov	HK Express
17 Oct - 19 Oct	Jeju Air
24 Oct - 27 Oct	Jeju Air
05 Oct - 12 Oct	VietJet Air
18 Oct - 25 Oct	HK Express
05 Oct - 09 Oct	VietJet Air
10 Oct - 13 Oct	HK Express
14 Oct - 18 Nov	Jeju Air
23 Oct - 04 Nov	China Airlines
23 Oct - 03 Nov	China Airlines
23 Oct - 02 Nov	Jeju Air

Also check the deals for one-way flights from Hiroshima to Bangkok in October.

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 Bangkok in October from $258

Return flights