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

Return flights

30 Aug - 05 Sep	Finnair
30 Aug - 04 Sep	Finnair
01 Aug - 18 Aug	Eurowings
04 Aug - 25 Aug	Finnair
01 Aug - 17 Aug	KLM
08 Aug - 18 Aug	Finnair
05 Aug - 23 Aug	KLM
22 Aug - 31 Aug	Ryanair
16 Aug - 05 Sep	Etihad Airways
01 Aug - 08 Aug	Japan Airlines

Also check the deals for one-way flights from Duesseldorf 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 Duesseldorf to Osaka in August from $1081

Return flights