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

Return flights

17 Apr - 29 Apr	Oman Air
12 Apr - 26 Apr	Oman Air
09 Apr - 07 May	Qatar Airways
15 Apr - 29 Apr	Qatar Airways
14 Apr - 30 Apr	Qatar Airways
30 Apr - 08 May	Qatar Airways
24 Apr - 02 May	Qatar Airways
29 Apr - 09 May	Qatar Airways
30 Apr - 10 May	Qatar Airways
30 Apr - 31 May	Qatar Airways
27 Apr - 02 May	Qatar Airways
17 Apr - 30 Apr	Qatar Airways
19 Apr - 26 Apr	AirAsia X
26 Apr - 10 May	AirAsia X
19 Apr - 10 May	AirAsia X
05 Apr - 19 Apr	Kuwait Airways
10 Apr - 24 Apr	Kuwait Airways
10 Apr - 21 Apr	Kuwait Airways
14 Apr - 26 Apr	Kuwait Airways
24 Apr - 01 May	Kuwait Airways

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 $459

Return flights