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

Return flights

04 Apr - 16 Apr	Oman Air
08 Apr - 23 Apr	Oman Air
12 Apr - 21 Apr	Oman Air
10 Apr - 19 Apr	Oman Air
12 Apr - 20 Apr	Oman Air
12 Apr - 22 Apr	Oman Air
13 Apr - 19 Apr	Oman Air
04 Apr - 15 Apr	Oman Air
08 Apr - 21 Apr	Oman Air
05 Apr - 15 Apr	Oman Air
23 Apr - 01 May	Oman Air
15 Apr - 01 May	Oman Air
30 Apr - 03 May	Oman Air
30 Apr - 14 May	Qatar Airways
30 Apr - 17 May	Qatar Airways
30 Apr - 31 May	Qatar Airways
01 Apr - 01 May	Kuwait Airways
30 Apr - 03 May	Thai Airways	direct
30 Apr - 14 May	Thai Airways	direct
01 Apr - 01 May	Thai Airways	direct

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 $409

Return flights