AirHint found the following cheapest return flights from Osaka (KIX) to Hanoi (HAN) in January 2026 (see full year).

Return flights

18 Jan - 22 Jan	VietJet Air
11 Jan - 13 Jan	VietJet Air
27 Jan - 30 Jan	Peach
27 Jan - 04 Feb	Peach
28 Jan - 04 Feb	Peach
29 Jan - 05 Feb	Peach
28 Jan - 30 Jan	Peach
28 Jan - 01 Feb	Peach
29 Jan - 31 Jan	Peach
11 Jan - 14 Jan	VietJet Air
17 Jan - 20 Jan	VietJet Air
15 Jan - 18 Jan	VietJet Air
15 Jan - 30 Jan	Peach
09 Jan - 12 Jan	VietJet Air
24 Jan - 21 Feb	Peach
17 Jan - 05 Feb	Thai AirAsia X
31 Jan - 05 Feb	Thai AirAsia X
24 Jan - 05 Feb	Thai AirAsia X
21 Jan - 05 Feb	Thai AirAsia X
17 Jan - 04 Feb	Thai AirAsia X

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

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 January from $278

Return flights