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

Return flights

19 Aug - 25 Sep	Wizz Air UK
24 Aug - 23 Sep	Wizz Air
30 Aug - 14 Sep	Wizz Air UK
20 Aug - 08 Sep	Wizz Air UK
25 Aug - 14 Sep	Wizz Air UK
26 Aug - 15 Sep	Wizz Air UK
25 Aug - 18 Sep	Wizz Air UK
25 Aug - 25 Sep	Wizz Air
24 Aug - 27 Sep	Wizz Air UK
08 Aug - 08 Sep	Wizz Air UK
07 Aug - 11 Aug	Ryanair
08 Aug - 11 Aug	Wizz Air UK
06 Aug - 13 Aug	Wizz Air UK
05 Aug - 13 Aug	Wizz Air Malta
24 Aug - 31 Aug	Wizz Air UK
01 Aug - 08 Aug	Wizz Air UK
08 Aug - 30 Aug	Wizz Air UK
03 Aug - 10 Aug	Wizz Air UK
06 Aug - 11 Aug	Wizz Air UK
06 Aug - 10 Aug	Wizz Air UK

Also check the deals for one-way flights from London to Karachi 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 London to Karachi in August from 377€

Return flights