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

Return flights

11 Dec - 16 Dec	Thai AirAsia
04 Dec - 31 Dec	Thai Lion Air
10 Dec - 04 Jan	Thai AirAsia
20 Dec - 06 Jan	Thai AirAsia
22 Dec - 13 Jan	Thai AirAsia
15 Dec - 30 Dec	Thai AirAsia
04 Dec - 08 Dec	AirAsia
08 Dec - 18 Dec	Thai AirAsia X
01 Dec - 04 Dec	Thai Lion Air
21 Dec - 07 Jan	Thai AirAsia
01 Dec - 06 Dec	Thai AirAsia
09 Dec - 18 Dec	Nok Air
22 Dec - 05 Jan	Thai Lion Air
03 Dec - 08 Dec	Thai AirAsia
02 Dec - 05 Dec	AirAsia
22 Dec - 03 Jan	Thai Lion Air
19 Dec - 02 Jan	Thai AirAsia
21 Dec - 05 Jan	Thai Lion Air
09 Dec - 09 Jan	AirAsia
24 Dec - 03 Jan	Thai Lion Air

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Bangkok to Istanbul in December from $499

Return flights