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

Return flights

25 Aug - 05 Sep	VietJet Air	direct
25 Aug - 28 Aug	VietJet Air	direct
27 Aug - 02 Sep	Peach
29 Aug - 05 Sep	Peach
26 Aug - 04 Sep	Peach
28 Aug - 06 Sep	Peach
25 Aug - 30 Sep	Peach
28 Aug - 04 Sep	Peach
25 Aug - 02 Sep	Peach
30 Aug - 04 Sep	Peach
30 Aug - 02 Sep	Peach
05 Aug - 08 Aug	Juneyao Airlines
05 Aug - 08 Aug	VietJet Air	direct
25 Aug - 27 Aug	Peach
20 Aug - 27 Aug	Peach
23 Aug - 26 Aug	Peach
19 Aug - 26 Aug	Peach
21 Aug - 27 Aug	Peach
05 Aug - 07 Aug	Peach
26 Aug - 29 Aug	Peach

Also check the deals for one-way flights from Osaka to Hanoi 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 Osaka to Hanoi in August from 192€

Return flights