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

Return flights

25 Sep - 08 Oct	Etihad Airways
25 Sep - 09 Oct	Etihad Airways
25 Sep - 10 Oct	Etihad Airways
25 Sep - 15 Oct	Etihad Airways
23 Sep - 09 Oct	Etihad Airways
23 Sep - 23 Oct	Etihad Airways
25 Sep - 06 Oct	Etihad Airways
22 Sep - 12 Oct	KLM
26 Sep - 12 Oct	Etihad Airways
24 Sep - 01 Oct	Shenzhen Airlines
25 Sep - 30 Sep	Etihad Airways
21 Sep - 30 Sep	KLM
23 Sep - 30 Sep	Ryanair
23 Sep - 29 Sep	Ryanair
23 Sep - 28 Sep	Ryanair
21 Sep - 29 Sep	KLM
24 Sep - 30 Sep	Shenzhen Airlines
15 Sep - 30 Sep	Wizz Air Malta
22 Sep - 29 Sep	Wizz Air Malta
16 Sep - 30 Sep	Wizz Air Malta

Also check the deals for one-way flights from Barcelona 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 Barcelona to Kuala Lumpur in September from 498€

Return flights