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

Return flights

04 Dec - 09 Dec	Norse Atlantic Airways (UK)
25 Dec - 05 Jan	Sichuan Airlines
21 Dec - 29 Dec	Sichuan Airlines
08 Dec - 14 Dec	Air Arabia
26 Dec - 31 Dec	Air Arabia
20 Dec - 02 Jan	Air Arabia
03 Dec - 08 Dec	Thai VietJet Air
29 Dec - 05 Jan	Air Arabia
15 Dec - 22 Dec	China Eastern
12 Dec - 15 Dec	Air Arabia
24 Dec - 03 Jan	Air Arabia
30 Dec - 10 Jan	Air Arabia
31 Dec - 07 Jan	Air Arabia
24 Dec - 02 Jan	Air Arabia
22 Dec - 10 Jan	Air Arabia
29 Dec - 01 Jan	Air Arabia
28 Dec - 02 Jan	Air Arabia
02 Dec - 06 Dec	SalamAir
20 Dec - 31 Dec	Air Arabia
02 Dec - 09 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 464€

Return flights