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

Return flights

26 May - 16 Jun	Saudia
24 May - 28 May	Saudia
28 May - 16 Jun	Saudia
28 May - 23 Jun	Saudia
28 May - 18 Jun	Saudia
31 May - 16 Jun	Saudia
05 May - 28 May	Saudia
03 May - 28 May	Saudia
03 May - 26 May	Saudia
05 May - 26 May	Saudia
31 May - 20 Jun	Saudia
05 May - 25 May	Saudia
03 May - 06 May	Saudia
31 May - 15 Jun	Saudia
21 May - 12 Jun	Iberojet	direct
21 May - 29 May	Iberojet	direct
07 May - 08 May	Iberojet	direct
21 May - 05 Jun	Iberojet	direct
28 May - 12 Jun	Iberojet	direct
12 May - 26 May	Saudia

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.

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Cheapest return flights from Madrid to Bangkok in May from $360

Return flights