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

Return flights

09 Mar - 16 Mar	SWISS
18 Mar - 25 Mar	SWISS
16 Mar - 20 Mar	SWISS
18 Mar - 27 Mar	SWISS
02 Mar - 26 Mar	SWISS
11 Mar - 18 Mar	SWISS
03 Mar - 10 Mar	SWISS
07 Mar - 22 Mar	SWISS
06 Mar - 19 Mar	SWISS
17 Mar - 22 Mar	SWISS
26 Mar - 15 Apr	SWISS
25 Mar - 16 Apr	SWISS
16 Mar - 19 Apr	KLM
18 Mar - 22 Apr	KLM
18 Mar - 06 Apr	Lufthansa
23 Mar - 14 Apr	SWISS
23 Mar - 15 Apr	KLM
17 Mar - 01 Apr	KLM
25 Mar - 09 Apr	KLM
20 Mar - 01 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 $714

Return flights