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

Return flights

03 May - 20 May	Etihad Airways
18 May - 25 May	Etihad Airways
24 May - 03 Jun	Etihad Airways
05 May - 21 May	Etihad Airways
01 May - 21 May	Etihad Airways
22 May - 25 May	Etihad Airways
12 May - 23 May	Qatar Airways
26 May - 05 Jun	Iberia
01 May - 14 May	Etihad Airways
04 May - 24 May	Iberia
09 May - 24 May	Etihad Airways

Also check the deals for one-way flights from Barcelona to Bangkok 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 Barcelona to Bangkok in May from 657€

Return flights