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

Return flights

26 Dec - 04 Jan	Oman Air
01 Dec - 08 Dec	Air Arabia
22 Dec - 12 Jan	Air Arabia
01 Dec - 05 Jan	Air Arabia
24 Dec - 04 Jan	Air Arabia
20 Dec - 05 Jan	Air Arabia
25 Dec - 05 Jan	Air Arabia
02 Dec - 07 Dec	Kuwait Airways
25 Dec - 04 Jan	Air Arabia
15 Dec - 27 Dec	Air Arabia
24 Dec - 03 Jan	Air Arabia
23 Dec - 03 Jan	Air Arabia
04 Dec - 08 Dec	Air Arabia
26 Dec - 05 Jan	Oman Air
05 Dec - 10 Dec	Air Arabia
08 Dec - 14 Dec	Air Arabia
08 Dec - 15 Dec	Air Arabia
24 Dec - 31 Dec	Air Arabia
25 Dec - 31 Dec	Air Arabia
22 Dec - 29 Dec	Air Arabia

Also check the deals for one-way flights from Bangkok to Istanbul 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 Bangkok to Istanbul in December from 525€

Return flights