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

Return flights

14 Mar - 25 Mar	SWISS
03 Mar - 10 Mar	SWISS
04 Mar - 11 Mar	SWISS
19 Mar - 26 Mar	SWISS
03 Mar - 12 Mar	Air Dolomiti
05 Mar - 26 Mar	SWISS
09 Mar - 19 Mar	KLM
06 Mar - 13 Mar	SWISS
25 Mar - 16 Apr	KLM
20 Mar - 14 Apr	SWISS
26 Mar - 13 Apr	KLM
16 Mar - 10 Apr	KLM
11 Mar - 05 Apr	SWISS
24 Mar - 09 Apr	SWISS
13 Mar - 05 Apr	KLM
25 Mar - 10 Apr	KLM
17 Mar - 31 Mar	Aer Lingus
28 Mar - 13 Apr	KLM
27 Mar - 13 Apr	KLM
19 Mar - 31 Mar	SWISS

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 $989

Return flights