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

Return flights

01 Apr - 22 Apr	Gulf Air
01 Apr - 05 May	Gulf Air
07 Apr - 15 Apr	Gulf Air
07 Apr - 14 Apr	Gulf Air
06 Apr - 06 May	Gulf Air
02 Apr - 21 Apr	Gulf Air
07 Apr - 16 Apr	Oman Air
24 Apr - 08 May	Oman Air
05 Apr - 13 Apr	Oman Air
01 Apr - 25 Apr	Oman Air
15 Apr - 15 May	Oman Air
20 Apr - 24 Apr	Oman Air
03 Apr - 19 Apr	Oman Air
10 Apr - 22 Apr	Gulf Air
29 Apr - 09 May	Gulf Air
24 Apr - 02 May	Gulf Air
24 Apr - 03 May	Gulf Air
30 Apr - 15 May	Etihad Airways
19 Apr - 07 May	AirAsia X
22 Apr - 07 May	AirAsia X

Also check the deals for one-way flights from Istanbul to Bangkok in April.

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 April from 370€

Return flights