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

Return flights

05 May - 12 May	Gulf Air
05 May - 13 May	Gulf Air
28 May - 31 May	Gulf Air
10 May - 18 May	Gulf Air
25 May - 31 May	Gulf Air
28 May - 04 Jun	Gulf Air
07 May - 20 May	AirAsia
04 May - 09 May	Gulf Air
25 May - 30 May	Gulf Air
29 May - 06 Jun	Gulf Air
30 May - 06 Jun	Gulf Air
29 May - 07 Jun	Gulf Air
30 May - 07 Jun	Gulf Air
15 May - 22 May	Etihad Airways
13 May - 21 May	Etihad Airways
07 May - 07 Jun	Gulf Air
27 May - 04 Jun	Etihad Airways
30 May - 05 Jun	Etihad Airways
26 May - 02 Jun	Air Arabia
26 May - 04 Jun	Air Arabia

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 $511

Return flights