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

Return flights

29 Aug - 06 Sep	flydubai
25 Aug - 05 Sep	flydubai
26 Aug - 06 Sep	flydubai
04 Aug - 11 Aug	Etihad Airways
23 Aug - 26 Aug	Etihad Airways
04 Aug - 14 Aug	Etihad Airways
05 Aug - 15 Aug	Etihad Airways
04 Aug - 28 Aug	Etihad Airways
07 Aug - 14 Aug	Etihad Airways
01 Aug - 12 Aug	Etihad Airways
06 Aug - 30 Aug	Etihad Airways
08 Aug - 10 Aug	Etihad Airways
09 Aug - 11 Aug	Etihad Airways

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 $575

Return flights