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

Return flights

19 Aug - 26 Aug	ANA
28 Aug - 31 Aug	ANA
29 Aug - 31 Aug	ANA
29 Aug - 12 Sep	ANA
27 Aug - 03 Sep	ANA
30 Aug - 02 Sep	ANA
21 Aug - 11 Sep	ANA
25 Aug - 02 Sep	ANA
26 Aug - 04 Sep	ANA
28 Aug - 05 Sep	ANA
28 Aug - 06 Sep	ANA
30 Aug - 07 Sep	ANA
18 Aug - 03 Sep	ANA
24 Aug - 28 Aug	ANA
21 Aug - 25 Aug	Japan Airlines
18 Aug - 20 Aug	ANA
05 Aug - 07 Aug	ANA
05 Aug - 09 Aug	ANA
16 Aug - 19 Aug	ANA
13 Aug - 18 Aug	ANA

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Osaka to Hanoi in August from $344

Return flights