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

Return flights

30 Aug - 08 Sep	flyadeal
30 Aug - 09 Sep	flyadeal
31 Aug - 04 Sep	Air Arabia Abu Dhabi
29 Aug - 07 Sep	flyadeal
30 Aug - 07 Sep	flyadeal
31 Aug - 07 Sep	Air Arabia Abu Dhabi
31 Aug - 11 Sep	Air Arabia Abu Dhabi
27 Aug - 21 Sep	flyadeal
31 Aug - 06 Sep	Air Arabia
21 Aug - 07 Sep	Air Arabia
26 Aug - 31 Aug	Pegasus Airlines
20 Aug - 31 Aug	IndiGo
24 Aug - 29 Aug	Pegasus Airlines
20 Aug - 26 Aug	Air Arabia
22 Aug - 30 Aug	AZAL
22 Aug - 26 Aug	Air Arabia
21 Aug - 25 Aug	Air Arabia
19 Aug - 26 Aug	IndiGo
18 Aug - 28 Aug	IndiGo
23 Aug - 31 Aug	IndiGo

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 $477

Return flights