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

Return flights

29 Aug - 13 Sep	China Eastern
19 Aug - 07 Sep	KLM
25 Aug - 07 Sep	KLM
20 Aug - 07 Sep	KLM
24 Aug - 07 Sep	KLM
22 Aug - 07 Sep	KLM
26 Aug - 09 Sep	Hainan Airlines
26 Aug - 16 Sep	Hainan Airlines
21 Aug - 07 Sep	KLM
23 Aug - 23 Sep	Iberia Express
22 Aug - 24 Aug	China Eastern
04 Aug - 24 Aug	Ryanair
25 Aug - 31 Aug	Etihad Airways
27 Aug - 31 Aug	China Eastern
06 Aug - 12 Aug	Air China
01 Aug - 12 Aug	Air China
07 Aug - 14 Aug	Air China
11 Aug - 24 Aug	Ryanair
07 Aug - 20 Aug	Hainan Airlines
07 Aug - 25 Aug	Etihad Airways

Also check the deals for one-way flights from Madrid 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 Madrid to Osaka in August from 606€

Return flights