AirHint found the following cheapest return flights from London (LCY) to Karachi (KHI) in March 2026 (see full year).

Return flights

03 Mar - 10 Mar	SWISS
04 Mar - 10 Mar	SWISS
04 Mar - 11 Mar	KLM
04 Mar - 18 Mar	KLM
12 Mar - 18 Mar	KLM
06 Mar - 15 Mar	SWISS
02 Mar - 08 Mar	KLM
04 Mar - 12 Mar	SWISS
12 Mar - 23 Mar	KLM
31 Mar - 12 Apr	KLM
03 Mar - 20 Mar	KLM
31 Mar - 07 Apr	KLM
31 Mar - 19 Apr	KLM
26 Mar - 10 Apr	ITA Airways
28 Mar - 08 Apr	SWISS
28 Mar - 02 Apr	SWISS
13 Mar - 07 Apr	KLM
25 Mar - 08 Apr	KLM
25 Mar - 06 Apr	KLM
14 Mar - 07 Apr	KLM

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

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 March from 534€

Return flights