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

Return flights

09 May - 18 May	Oman Air
06 May - 14 May	Oman Air
11 May - 18 May	Oman Air
01 May - 10 May	Oman Air
13 May - 19 May	Oman Air
05 May - 18 May	Oman Air
12 May - 18 May	Oman Air
20 May - 30 May	Oman Air
05 May - 11 May	Oman Air
01 May - 15 Jun	Oman Air
05 May - 17 May	Oman Air
31 May - 10 Jun	Oman Air
22 May - 07 Jun	Oman Air
26 May - 03 Jun	Oman Air
31 May - 06 Jun	Oman Air
31 May - 07 Jun	Oman Air
27 May - 03 Jun	Oman Air
23 May - 06 Jun	Oman Air
15 May - 07 Jun	Oman Air
27 May - 02 Jun	Oman Air

Also check the deals for one-way flights from Istanbul to Bangkok 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 Istanbul to Bangkok in May from 378€

Return flights