AirHint found the following cheapest return flights from Istanbul (IST) to Bangkok (BKK) in December 2025 (see full year).

Return flights

20 Dec - 11 Jan	Turkmenistan Airlines
03 Dec - 11 Dec	Oman Air
02 Dec - 10 Dec	Oman Air
02 Dec - 17 Dec	Oman Air
02 Dec - 12 Dec	Oman Air
02 Dec - 11 Dec	Oman Air
03 Dec - 13 Dec	Oman Air
04 Dec - 21 Dec	Kuwait Airways
03 Dec - 07 Dec	Pegasus Airlines
05 Dec - 13 Dec	Pegasus Airlines
13 Dec - 23 Dec	Kuwait Airways
09 Dec - 08 Jan	Pegasus Airlines
26 Dec - 26 Jan	Qatar Airways
02 Dec - 14 Jan	Kuwait Airways
28 Dec - 09 Jan	Qatar Airways
09 Dec - 07 Jan	Qatar Airways
09 Dec - 09 Jan	Qatar Airways
07 Dec - 05 Jan	Qatar Airways
04 Dec - 04 Jan	Pegasus Airlines
16 Dec - 13 Jan	Air Arabia

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

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 December from 338€

Return flights