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

Return flights

07 Apr - 21 Apr	Oman Air
13 Apr - 23 Apr	Oman Air
07 Apr - 20 Apr	Oman Air
17 Apr - 23 Apr	Oman Air
11 Apr - 22 Apr	Oman Air
04 Apr - 15 Apr	Oman Air
18 Apr - 26 Apr	Oman Air
11 Apr - 19 Apr	Oman Air
01 Apr - 15 Apr	Oman Air
23 Apr - 07 May	Qatar Airways
03 Apr - 20 Apr	Oman Air
19 Apr - 11 May	Oman Air
23 Apr - 03 May	Oman Air
04 Apr - 02 May	Oman Air
23 Apr - 03 May	Thai Airways	direct
23 Apr - 07 May	Thai Airways	direct
04 Apr - 02 May	Thai Airways	direct
19 Apr - 11 May	Turkish Airlines	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 370€

Return flights