AirHint found the following cheapest return flights from Osaka (KIX) to Hanoi (HAN) in October 2025 (see full year).

Return flights

12 Oct - 19 Oct	VietJet Air	direct
13 Oct - 20 Oct	VietJet Air	direct
15 Oct - 22 Oct	VietJet Air	direct
09 Oct - 16 Oct	VietJet Air	direct
16 Oct - 19 Oct	Peach
16 Oct - 26 Oct	Peach
03 Oct - 24 Oct	VietJet Air	direct
14 Oct - 16 Oct	Peach
13 Oct - 16 Oct	Peach
08 Oct - 14 Oct	Peach
25 Oct - 08 Nov	China Southern
11 Oct - 22 Nov	VietJet Air	direct
31 Oct - 04 Nov	VietJet Air
30 Oct - 02 Nov	HK Express
31 Oct - 05 Nov	VietJet Air
31 Oct - 03 Nov	VietJet Air
01 Oct - 01 Nov	Peach
31 Oct - 01 Nov	VietJet Air
02 Oct - 01 Nov	VietJet Air
25 Oct - 10 Nov	Thai AirAsia X

Also check the deals for one-way flights from Osaka to Hanoi 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 Osaka to Hanoi in October from $235

Return flights