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

Return flights

09 Dec - 15 Dec	AirAsia
13 Dec - 15 Dec	AirAsia
09 Dec - 28 Dec	AirAsia
15 Dec - 04 Jan	Etihad Airways
18 Dec - 26 Dec	AirAsia
20 Dec - 29 Dec	Thai AirAsia
16 Dec - 09 Jan	SalamAir
05 Dec - 01 Jan	Thai Lion Air
23 Dec - 03 Jan	SalamAir
02 Dec - 15 Dec	Thai AirAsia X
09 Dec - 12 Dec	Thai AirAsia X
06 Dec - 16 Dec	AirAsia
30 Dec - 07 Jan	SalamAir
22 Dec - 19 Jan	Air Arabia
02 Dec - 12 Dec	Thai AirAsia X
25 Dec - 29 Dec	Thai VietJet Air
24 Dec - 13 Jan	Qatar Airways
12 Dec - 04 Jan	Etihad Airways
28 Dec - 11 Jan	Thai Lion Air
04 Dec - 02 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.

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Cheapest return flights from Bangkok to Istanbul in December from 365€

Return flights