AirHint found the following cheapest one-way flights from Kuala Lumpur (KUL) to Barcelona (BCN) in October 2025 (see full year).

One-Way flights

15 Oct	Scoot Tigerair
25 Oct	AirAsia
23 Oct	Scoot Tigerair
26 Oct	Scoot Tigerair
24 Oct	Scoot Tigerair
20 Oct	Scoot Tigerair
08 Oct	AirAsia
16 Oct	AirAsia
06 Oct	Etihad Airways
28 Oct	Singapore Airlines

Also check the deals for return flights from Kuala Lumpur to Barcelona in October.

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 one-way flights from Kuala Lumpur to Barcelona in October from $258

One-Way flights