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

Return flights

31 Dec - 31 Dec	China Eastern
10 Dec - 13 Dec	VietJet Air
05 Dec - 07 Dec	VietJet Air
10 Dec - 08 Jan	VietJet Air
26 Dec - 31 Jan	VietJet Air
26 Dec - 24 Jan	VietJet Air
02 Dec - 09 Dec	HK Express
10 Dec - 15 Dec	VietJet Air
21 Dec - 08 Jan	VietJet Air
17 Dec - 23 Dec	VietJet Air
10 Dec - 17 Dec	VietJet Air
31 Dec - 18 Jan	HK Express
16 Dec - 21 Dec	VietJet Air
13 Dec - 20 Dec	VietJet Air
06 Dec - 10 Dec	VietJet Air
29 Dec - 26 Jan	Cathay Pacific
30 Dec - 06 Jan	Cathay Pacific
25 Dec - 05 Jan	VietJet Air
25 Dec - 01 Jan	VietJet Air
31 Dec - 06 Jan	HK Express

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

Book a cheap hotel in Osaka

Cheap car rent in Osaka

Cheapest return flights from Hanoi to Osaka in December from $289

Return flights