AirHint found the following cheapest return flights from Madrid (MAD) to Kuala Lumpur (KUL) in September 2025 (see full year).

Return flights

15 Sep - 06 Oct	Ryanair
09 Sep - 23 Sep	Etihad Airways
22 Sep - 13 Oct	Etihad Airways
30 Sep - 08 Oct	Etihad Airways
25 Sep - 13 Oct	Etihad Airways
16 Sep - 30 Sep	Etihad Airways
24 Sep - 06 Oct	Etihad Airways
15 Sep - 08 Oct	Ryanair
15 Sep - 15 Oct	Ryanair
24 Sep - 01 Oct	Wizz Air Malta
10 Sep - 21 Sep	Wizz Air Malta
15 Sep - 22 Sep	Ryanair
15 Sep - 20 Sep	Ryanair
09 Sep - 16 Sep	Wizz Air Malta
07 Sep - 18 Sep	Saudia
20 Sep - 30 Sep	Ryanair
30 Sep - 07 Oct	Turkish Airlines
28 Sep - 04 Oct	Saudia
03 Sep - 24 Sep	Turkish Airlines
14 Sep - 24 Sep	Turkish Airlines

Also check the deals for one-way flights from Madrid to Kuala Lumpur in September.

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 Kuala Lumpur in September from $657

Return flights