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

Return flights

07 May - 13 May	Gulf Air
29 May - 07 Jun	Gulf Air
23 May - 06 Jun	Thai VietJet Air
04 May - 15 May	Gulf Air
09 May - 17 May	Gulf Air
30 May - 07 Jun	Gulf Air
30 May - 06 Jun	Gulf Air
06 May - 21 May	Thai VietJet Air
29 May - 06 Jun	Gulf Air
28 May - 06 Jun	Gulf Air
29 May - 02 Jun	Gulf Air
28 May - 05 Jun	Gulf Air
29 May - 05 Jun	Gulf Air
20 May - 01 Jun	Air Arabia
01 May - 06 May	Air Arabia
16 May - 23 May	Air Arabia
18 May - 22 May	Air Arabia
01 May - 06 May	Thai Airways	direct
04 May - 15 May	Thai Airways	direct
09 May - 17 May	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 430€

Return flights