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

Return flights

01 Dec - 09 Dec	Air Arabia
06 Dec - 16 Dec	Pegasus Airlines
01 Dec - 10 Dec	Air Arabia
08 Dec - 18 Dec	Air Arabia
07 Dec - 14 Dec	Pegasus Airlines
16 Dec - 27 Dec	Air Arabia
02 Dec - 11 Dec	Flynas
17 Dec - 30 Dec	Air Arabia
17 Dec - 28 Dec	Air Arabia
01 Dec - 31 Dec	Air Arabia
16 Dec - 16 Jan	Air Arabia
17 Dec - 16 Jan	Air Arabia
24 Dec - 19 Jan	Pegasus Airlines
01 Dec - 01 Jan	Pegasus Airlines
23 Dec - 07 Jan	Flynas
24 Dec - 07 Jan	Turkish Airlines
20 Dec - 03 Jan	Flynas
08 Dec - 08 Jan	Air Arabia
25 Dec - 05 Jan	Pegasus Airlines
23 Dec - 04 Jan	Flynas

Also check the deals for one-way flights from Istanbul to Colombo 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 Istanbul to Colombo in December from 383€

Return flights