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

Return flights

29 May - 07 Jun	Gulf Air
31 May - 04 Jun	Gulf Air
02 May - 16 May	Gulf Air
17 May - 29 May	Etihad Airways
19 May - 30 May	Etihad Airways
20 May - 01 Jun	Etihad Airways
17 May - 22 May	Etihad Airways
30 May - 11 Jun	Gulf Air
14 May - 18 May	Etihad Airways
27 May - 04 Jun	Etihad Airways
01 May - 09 May	Etihad Airways
17 May - 20 May	AirAsia
25 May - 31 May	Gulf Air
14 May - 19 May	Etihad Airways
10 May - 13 May	AirAsia
26 May - 10 Jun	AirAsia
26 May - 15 Jun	AirAsia
21 May - 10 Jun	AirAsia
23 May - 10 Jun	AirAsia
26 May - 12 Jun	AirAsia

Also check the deals for one-way flights from Bangkok to Istanbul 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 Istanbul in May from 422€

Return flights