Cheapest one-way flights from Kuala Lumpur to Barcelona in September from $306

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

One-Way flights

10 Sep Scoot Tigerair
22 Sep SriLankan Airlines
21 Sep SriLankan Airlines
24 Sep SriLankan Airlines
15 Sep AirAsia
17 Sep Etihad Airways
11 Sep Hainan Airlines
09 Sep Hainan Airlines
07 Sep Hainan Airlines
20 Sep Oman Air

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

Skyscanner

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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