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

Return flights

16 Aug - 23 Aug	PIA
24 Aug - 12 Sep	SalamAir
25 Aug - 13 Sep	flydubai
14 Aug - 04 Sep	flydubai
23 Aug - 02 Sep	flydubai
24 Aug - 01 Sep	flydubai
23 Aug - 01 Sep	flydubai
25 Aug - 01 Sep	SalamAir
03 Aug - 10 Aug	SalamAir
12 Aug - 18 Aug	Etihad Airways
14 Aug - 24 Aug	Etihad Airways
15 Aug - 22 Aug	Etihad Airways
12 Aug - 21 Aug	Etihad Airways
11 Aug - 18 Aug	Etihad Airways
11 Aug - 19 Aug	Etihad Airways
21 Aug - 31 Aug	Etihad Airways
07 Aug - 09 Aug	Etihad Airways
24 Aug - 02 Sep	Etihad Airways
23 Aug - 02 Sep	SriLankan Airlines	direct

Also check the deals for one-way flights from Karachi 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 Karachi to Colombo in August from 475€

Return flights