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

Return flights

31 May - 27 Jun	VietJet Air
02 May - 09 May	Cebu Pacific
02 May - 10 May	Cebu Pacific
03 May - 06 May	VietJet Air
01 May - 05 May	VietJet Air
31 May - 14 Jun	Thai AirAsia X
03 May - 05 May	VietJet Air
02 May - 05 May	Cebu Pacific
20 May - 09 Jun	Thai AirAsia X
02 May - 07 May	Cebu Pacific
02 May - 06 May	Cebu Pacific
31 May - 09 Jun	Thai AirAsia X
20 May - 25 May	Thai AirAsia X
21 May - 09 Jun	Thai AirAsia X
20 May - 31 May	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 242€

Return flights