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

Return flights

23 Sep - 09 Oct	Etihad Airways
30 Sep - 14 Oct	Iberia
24 Sep - 08 Oct	Iberia
23 Sep - 07 Oct	Iberia
26 Sep - 14 Oct	Etihad Airways
26 Sep - 13 Oct	Etihad Airways
29 Sep - 13 Oct	Ryanair
22 Sep - 13 Oct	Wizz Air
21 Sep - 11 Oct	Etihad Airways
30 Sep - 16 Oct	Iberia
23 Sep - 30 Sep	Pegasus Airlines
23 Sep - 28 Sep	Pegasus Airlines
22 Sep - 30 Sep	Ryanair
22 Sep - 29 Sep	Ryanair
17 Sep - 23 Sep	Sichuan Airlines
21 Sep - 30 Sep	Pegasus Airlines
25 Sep - 28 Sep	Etihad Airways
21 Sep - 29 Sep	Pegasus Airlines
16 Sep - 29 Sep	Pegasus Airlines
26 Sep - 28 Sep	Etihad Airways

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 529€

Return flights