AirHint found the following cheapest return flights from Istanbul (IST) to Colombo (CMB) in August 2026 (see full year).

Return flights

17 Aug - 31 Aug	Air Arabia
18 Aug - 24 Aug	Air Arabia
17 Aug - 25 Aug	Air Arabia
20 Aug - 31 Aug	Air Arabia
18 Aug - 04 Sep	Air Arabia
10 Aug - 24 Aug	Pegasus Airlines
03 Aug - 03 Sep	Air Arabia
01 Aug - 13 Aug	Air Arabia
14 Aug - 23 Aug	Air Arabia
02 Aug - 23 Aug	Air Arabia
01 Aug - 29 Aug	Air Arabia
18 Aug - 04 Sep	Turkish Airlines	direct
20 Aug - 31 Aug	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Colombo in August.

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 August from 407€

Return flights