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

Return flights

11 Dec - 12 Jan	Iberia
24 Dec - 11 Jan	Iberia
03 Dec - 15 Dec	Iberia
09 Dec - 23 Dec	China Eastern
03 Dec - 14 Dec	Iberia
01 Dec - 17 Dec	KLM
01 Dec - 16 Dec	KLM
03 Dec - 10 Dec	Iberia
01 Dec - 14 Dec	KLM
02 Dec - 14 Dec	KLM
02 Dec - 09 Dec	Qatar Airways
01 Dec - 08 Dec	Qatar Airways
24 Dec - 08 Jan	Iberia
30 Dec - 19 Jan	Qatar Airways
24 Dec - 10 Jan	Finnair
10 Dec - 05 Jan	Iberia
28 Dec - 20 Jan	Wizz Air Malta
16 Dec - 06 Jan	ITA Airways
24 Dec - 06 Jan	Iberia Express
27 Dec - 10 Jan	Korean Air

Also check the deals for one-way flights from Madrid to Osaka in December.

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 December from $574

Return flights