AirHint found the following cheapest return flights from Kuala Lumpur (KUL) to Barcelona (BCN) in May 2026 (see full year).

Return flights

01 May - 26 May	Etihad Airways
28 May - 11 Jun	Etihad Airways
13 May - 18 May	Etihad Airways
15 May - 29 May	Etihad Airways
10 May - 17 May	Turkish Airlines
01 May - 09 May	Etihad Airways
22 May - 04 Jun	Air India
25 May - 03 Jun	Qatar Airways
27 May - 01 Jun	Qatar Airways
28 May - 03 Jun	Qatar Airways
22 May - 02 Jun	Qatar Airways
21 May - 04 Jun	Scoot
19 May - 26 May	Emirates

Also check the deals for one-way flights from Kuala Lumpur to Barcelona in May.

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 Kuala Lumpur to Barcelona in May from 523€

Return flights