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

Return flights

21 May - 12 Jun	Iberojet	direct
14 May - 12 Jun	Iberojet	direct
21 May - 19 Jun	Iberojet	direct
28 May - 29 Jun	Iberojet	direct
21 May - 29 May	Iberojet	direct
21 May - 05 Jun	Iberojet	direct
14 May - 05 Jun	Iberojet	direct
06 May - 18 May	Etihad Airways
28 May - 05 Jun	Iberojet	direct
05 May - 19 May	KLM
07 May - 21 May	KLM
11 May - 28 May	KLM
11 May - 21 May	KLM
18 May - 15 Jun	KLM
28 May - 06 Jun	KLM
26 May - 16 Jun	KLM
17 May - 28 May	Air France
21 May - 28 May	KLM
03 May - 18 May	KLM
04 May - 18 May	KLM

Also check the deals for one-way flights from Madrid 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Madrid to Bangkok in May from 442€

Return flights