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

Return flights

04 May - 14 May	Gulf Air
04 May - 11 May	Gulf Air
04 May - 15 May	Gulf Air
05 May - 15 May	Gulf Air
05 May - 16 May	Gulf Air
16 May - 20 May	AirAsia
26 May - 08 Jun	Gulf Air
04 May - 09 May	Gulf Air
11 May - 16 May	Gulf Air
11 May - 15 May	Gulf Air
04 May - 08 May	Gulf Air
29 May - 03 Jun	Gulf Air
30 May - 06 Jun	Gulf Air
29 May - 06 Jun	Etihad Airways
28 May - 04 Jun	Gulf Air
21 May - 11 Jun	Etihad Airways
26 May - 08 Jun	Thai Airways	direct
29 May - 03 Jun	Thai Airways	direct
28 May - 04 Jun	Thai Airways	direct
30 May - 06 Jun	Thai Airways	direct

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 415€

Return flights