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

Return flights

21 Aug - 27 Aug	SalamAir
31 Aug - 30 Sep	Etihad Airways
12 Aug - 23 Aug	Etihad Airways
29 Aug - 03 Sep	SalamAir
02 Aug - 11 Aug	Etihad Airways
09 Aug - 16 Aug	Etihad Airways
26 Aug - 02 Sep	Etihad Airways
01 Aug - 05 Aug	Etihad Airways
11 Aug - 15 Aug	Etihad Airways
12 Aug - 16 Aug	Etihad Airways
05 Aug - 11 Aug	SalamAir
19 Aug - 24 Aug	SalamAir
25 Aug - 12 Sep	SalamAir
18 Aug - 23 Aug	Etihad Airways
26 Aug - 25 Sep	Qatar Airways
30 Aug - 29 Sep	flydubai
19 Aug - 20 Sep	Etihad Airways
25 Aug - 01 Sep	Air Arabia
02 Aug - 01 Sep	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 423€

Return flights