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

Return flights

01 Dec - 07 Dec	Oman Air
02 Dec - 07 Dec	Oman Air
02 Dec - 10 Dec	Oman Air
01 Dec - 10 Dec	Oman Air
09 Dec - 25 Dec	Oman Air
04 Dec - 22 Dec	Oman Air
09 Dec - 18 Dec	Oman Air
11 Dec - 22 Dec	Oman Air
06 Dec - 17 Dec	Oman Air
16 Dec - 31 Dec	Oman Air
01 Dec - 31 Jan	Oman Air
15 Dec - 15 Jan	Oman Air
16 Dec - 16 Jan	Oman Air
01 Dec - 01 Jan	Air Arabia
09 Dec - 08 Jan	Air Arabia
10 Dec - 08 Jan	Air Arabia
31 Dec - 09 Jan	AJet
08 Dec - 09 Jan	Air Arabia
11 Dec - 02 Jan	Air Arabia
30 Dec - 27 Jan	Kuwait Airways

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 $429

Return flights