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

Return flights

14 Sep - 22 Sep	Wizz Air UK
19 Sep - 06 Oct	Wizz Air UK
03 Sep - 24 Sep	Wizz Air UK
21 Sep - 16 Oct	Wizz Air UK
01 Sep - 24 Sep	Wizz Air UK
04 Sep - 03 Oct	Wizz Air UK
01 Sep - 25 Sep	Wizz Air Malta
10 Sep - 25 Sep	Wizz Air UK
24 Sep - 30 Sep	Wizz Air Malta
14 Sep - 15 Oct	Wizz Air UK
04 Sep - 24 Sep	Wizz Air UK
01 Sep - 30 Sep	Wizz Air UK
04 Sep - 30 Sep	Wizz Air UK
02 Sep - 24 Sep	Wizz Air Malta
14 Sep - 11 Oct	Wizz Air UK
30 Sep - 14 Oct	Wizz Air Malta
27 Sep - 11 Oct	Wizz Air UK
24 Sep - 23 Oct	Wizz Air Malta
08 Sep - 03 Oct	Wizz Air
10 Sep - 09 Oct	Wizz Air UK

Also check the deals for one-way flights from London to Karachi 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 London to Karachi in September from 374€

Return flights