AirHint found the following cheapest return flights from Bangkok (BKK) to Madrid (MAD) in May 2026 (see full year).

Return flights

01 May - 14 May	Iberojet	direct
08 May - 18 Jun	Iberojet	direct
01 May - 07 May	Iberojet	direct
21 May - 12 Jun	KLM
10 May - 24 May	Etihad Airways
30 May - 06 Jun	KLM
08 May - 15 May	Etihad Airways
16 May - 24 May	Etihad Airways
29 May - 07 Jun	Etihad Airways
29 May - 19 Jun	Iberojet
01 May - 11 May	Emirates
30 May - 13 Jun	Air Europa

Also check the deals for one-way flights from Bangkok to Madrid 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 Bangkok to Madrid in May from $547

Return flights