AirHint found the following cheapest return flights from Karachi (KHI) to London (LGW) in September 2025 (see full year).

Return flights

29 Sep - 06 Oct	Pegasus Airlines
25 Sep - 14 Oct	flyadeal
25 Sep - 07 Oct	flyadeal
30 Sep - 31 Oct	Pegasus Airlines
30 Sep - 07 Oct	Pegasus Airlines
25 Sep - 15 Oct	flyadeal
27 Sep - 04 Oct	flyadeal
25 Sep - 02 Oct	Air Arabia
26 Sep - 16 Oct	Pegasus Airlines
22 Sep - 14 Oct	Air Arabia
22 Sep - 29 Sep	Air Arabia
23 Sep - 30 Sep	flydubai
21 Sep - 28 Sep	Air Arabia
26 Sep - 30 Sep	Etihad Airways
25 Sep - 30 Sep	flydubai
28 Sep - 29 Sep	flydubai
27 Sep - 29 Sep	flydubai
21 Sep - 22 Sep	flydubai
20 Sep - 27 Sep	Etihad Airways
19 Sep - 22 Sep	flydubai

Also check the deals for one-way flights from Karachi to London in September.

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 London in September from $420

Return flights