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

Return flights

12 Sep - 26 Sep	Wizz Air UK
10 Sep - 26 Sep	Wizz Air UK
14 Sep - 26 Sep	Wizz Air UK
11 Sep - 26 Sep	Wizz Air UK
07 Sep - 26 Sep	Vueling Airlines
08 Sep - 16 Oct	Wizz Air UK
19 Sep - 30 Sep	Wizz Air UK
06 Sep - 26 Sep	Wizz Air Malta
08 Sep - 23 Oct	Wizz Air UK
20 Sep - 12 Oct	Wizz Air Malta
05 Sep - 14 Sep	Wizz Air UK
07 Sep - 25 Sep	Vueling Airlines
24 Sep - 12 Oct	Wizz Air UK
21 Sep - 24 Sep	Wizz Air UK
21 Sep - 14 Oct	Wizz Air UK
01 Sep - 05 Oct	Wizz Air UK
26 Sep - 05 Oct	Wizz Air UK
07 Sep - 12 Oct	Wizz Air UK
04 Sep - 05 Oct	Ryanair
12 Sep - 05 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 352€

Return flights