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

Return flights

16 May - 20 May	Air China
10 May - 17 May	Cebu Pacific
04 May - 08 May	Cebu Pacific
04 May - 07 May	VietJet Air
01 May - 06 May	VietJet Air
12 May - 17 May	Thai AirAsia X
12 May - 20 May	Thai AirAsia X
16 May - 17 May	Thai AirAsia X
18 May - 20 May	Thai AirAsia X
01 May - 04 May	VietJet Air
18 May - 08 Jun	Thai AirAsia X

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

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 May from $359

Return flights