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

Return flights

29 Aug - 07 Sep	VietJet Air	direct
30 Aug - 04 Sep	VietJet Air
25 Aug - 28 Aug	VietJet Air
23 Aug - 13 Sep	VietJet Air
20 Aug - 22 Aug	VietJet Air
13 Aug - 20 Aug	HK Express
10 Aug - 20 Aug	VietJet Air
10 Aug - 25 Aug	VietJet Air
29 Aug - 11 Sep	VietJet Air
19 Aug - 26 Aug	VietJet Air
30 Aug - 02 Sep	VietJet Air
13 Aug - 18 Aug	HK Express
13 Aug - 03 Sep	HK Express
05 Aug - 17 Aug	HK Express
02 Aug - 11 Aug	VietJet Air
01 Aug - 01 Aug	VietJet Air
28 Aug - 07 Sep	Thai AirAsia
26 Aug - 07 Sep	Thai AirAsia
22 Aug - 07 Sep	Thai AirAsia
20 Aug - 07 Sep	Thai AirAsia

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

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 Hanoi to Osaka in August from $252

Return flights