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

Return flights

19 Sep - 01 Oct	Wizz Air UK
07 Sep - 14 Sep	Wizz Air UK
11 Sep - 14 Sep	Wizz Air UK
07 Sep - 24 Sep	Wizz Air UK
18 Sep - 25 Sep	Wizz Air UK
01 Sep - 14 Sep	Wizz Air UK
01 Sep - 15 Sep	Wizz Air UK
17 Sep - 24 Sep	Wizz Air UK
04 Sep - 16 Oct	Wizz Air UK
28 Sep - 01 Oct	Wizz Air UK
07 Sep - 23 Sep	Wizz Air UK
14 Sep - 25 Sep	Wizz Air UK
10 Sep - 14 Sep	Wizz Air UK
23 Sep - 01 Oct	Wizz Air
21 Sep - 14 Oct	Wizz Air UK
01 Sep - 01 Oct	Wizz Air UK
19 Sep - 03 Oct	Wizz Air UK
21 Sep - 16 Oct	Wizz Air UK
12 Sep - 03 Oct	Wizz Air UK
24 Sep - 20 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 362€

Return flights