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

Return flights

11 Oct - 16 Oct	ANA
12 Oct - 18 Oct	ANA
17 Oct - 20 Oct	ANA
11 Oct - 18 Oct	ANA
03 Oct - 06 Oct	ANA
15 Oct - 19 Oct	ANA
23 Oct - 27 Oct	ANA
24 Oct - 28 Oct	ANA
08 Oct - 14 Oct	ANA
05 Oct - 07 Oct	ANA
30 Oct - 03 Nov	Japan Airlines
31 Oct - 02 Nov	Japan Airlines
31 Oct - 03 Nov	Japan Airlines
31 Oct - 09 Nov	Japan Airlines
31 Oct - 04 Nov	Japan Airlines
31 Oct - 05 Nov	Japan Airlines

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 $361

Return flights