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

Return flights

19 Dec - 11 Jan	Thai Lion Air
05 Dec - 07 Dec	Thai Lion Air
08 Dec - 15 Dec	Thai Lion Air
07 Dec - 12 Dec	Thai Lion Air
13 Dec - 24 Jan	Nok Air
09 Dec - 04 Jan	AirAsia
02 Dec - 07 Dec	AirAsia
09 Dec - 13 Dec	Thai AirAsia X
04 Dec - 10 Dec	AirAsia
18 Dec - 05 Jan	Thai Lion Air
18 Dec - 06 Jan	Thai Lion Air
04 Dec - 07 Dec	AirAsia
20 Dec - 31 Dec	Thai AirAsia X
06 Dec - 15 Dec	Thai Lion Air
01 Dec - 01 Jan	Thai AirAsia X
02 Dec - 08 Dec	AirAsia
20 Dec - 11 Jan	Thai Lion Air
15 Dec - 06 Jan	Thai AirAsia
26 Dec - 10 Jan	Thai Lion Air
09 Dec - 08 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 433€

Return flights