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

Return flights

11 Dec - 14 Dec	Japan Airlines
06 Dec - 08 Dec	Japan Airlines
12 Dec - 14 Dec	Japan Airlines
01 Dec - 05 Dec	Japan Airlines
05 Dec - 13 Dec	Japan Airlines
04 Dec - 08 Dec	Japan Airlines
02 Dec - 15 Dec	Japan Airlines
15 Dec - 17 Jan	Japan Airlines
16 Dec - 19 Dec	Japan Airlines
17 Dec - 31 Jan	Japan Airlines
18 Dec - 25 Dec	Japan Airlines
19 Dec - 06 Jan	Japan Airlines
19 Dec - 11 Jan	Japan Airlines
20 Dec - 05 Jan	Japan Airlines
26 Dec - 30 Dec	ANA
29 Dec - 05 Jan	ANA
26 Dec - 10 Jan	ANA
26 Dec - 16 Jan	ANA
30 Dec - 02 Jan	ANA
27 Dec - 11 Jan	ANA

Also check the deals for one-way flights from Osaka to Hanoi in December.

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 December from $531

Return flights