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

Return flights

12 May - 18 May	AirAsia
07 May - 20 May	AirAsia
11 May - 31 May	Gulf Air
04 May - 11 May	Thai Lion Air
01 May - 18 May	Thai Lion Air
10 May - 11 May	AirAsia
28 May - 08 Jun	Thai Lion Air
05 May - 19 May	Gulf Air
19 May - 25 May	AirAsia
23 May - 02 Jun	Air Arabia
25 May - 12 Jun	Air Arabia
11 May - 25 May	Thai VietJet Air
06 May - 13 May	Air Arabia
27 May - 03 Jun	Air Arabia
27 May - 01 Jun	Air Arabia
27 May - 08 Jun	Air Arabia
26 May - 02 Jun	Air Arabia
29 May - 07 Jun	Gulf Air
29 May - 02 Jun	Gulf Air
27 May - 03 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 395€

Return flights