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

Return flights

01 Dec - 08 Dec	Oman Air
01 Dec - 11 Dec	Oman Air
02 Dec - 09 Dec	Oman Air
28 Dec - 26 Jan	Pegasus Airlines
08 Dec - 15 Dec	Oman Air
01 Dec - 15 Dec	Oman Air
06 Dec - 27 Dec	Oman Air
06 Dec - 17 Dec	Oman Air
09 Dec - 19 Dec	Oman Air
02 Dec - 12 Dec	Oman Air
03 Dec - 19 Dec	Kuwait Airways
01 Dec - 18 Jan	Oman Air
04 Dec - 22 Jan	Oman Air
30 Dec - 09 Jan	Pegasus Airlines
02 Dec - 15 Jan	Air Arabia
15 Dec - 16 Jan	Etihad Airways
23 Dec - 23 Jan	Pegasus Airlines
25 Dec - 16 Jan	Jazeera Airways
27 Dec - 15 Jan	Jazeera Airways
09 Dec - 08 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 397€

Return flights