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

Return flights

01 Jul - 04 Jul	ITA Airways
08 Jul - 13 Jul	KLM
08 Jul - 10 Jul	KLM
03 Jul - 16 Jul	KLM
01 Jul - 06 Jul	KLM
03 Jul - 06 Jul	KLM
01 Jul - 10 Jul	KLM
01 Jul - 17 Jul	KLM
07 Jul - 14 Jul	KLM
03 Jul - 10 Jul	KLM
23 Jul - 01 Aug	ITA Airways
11 Jul - 02 Aug	KLM
16 Jul - 26 Aug	SWISS
16 Jul - 24 Aug	SWISS
23 Jul - 07 Aug	Lufthansa
01 Jul - 13 Aug	SWISS
15 Jul - 14 Aug	SWISS
15 Jul - 05 Aug	SWISS
15 Jul - 21 Aug	SWISS
03 Jul - 08 Aug	SWISS

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

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 July from $830

Return flights