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

Return flights

09 May - 13 May	AirAsia
08 May - 13 May	Thai Lion Air
25 May - 01 Jun	Gulf Air
12 May - 17 May	AirAsia
08 May - 15 May	Gulf Air
22 May - 29 May	Etihad Airways
21 May - 12 Jun	AirAsia
24 May - 14 Jun	AirAsia
14 May - 18 May	Etihad Airways
21 May - 28 May	Etihad Airways
04 May - 17 May	Etihad Airways
05 May - 16 May	Etihad Airways
04 May - 15 May	Etihad Airways
13 May - 13 Jun	Etihad Airways
28 May - 21 Jun	Etihad Airways
27 May - 21 Jun	Etihad Airways
28 May - 06 Jun	Etihad Airways
28 May - 03 Jun	Etihad Airways
22 May - 03 Jun	Etihad Airways
30 May - 21 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 $470

Return flights