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

Return flights

14 Mar - 25 Mar	British Airways
02 Mar - 08 Mar	British Airways
15 Mar - 30 Mar	British Airways
13 Mar - 28 Mar	British Airways
02 Mar - 16 Mar	Brussels Airlines
10 Mar - 24 Mar	Gulf Air
17 Mar - 31 Mar	Gulf Air
16 Mar - 24 Mar	Gulf Air
11 Mar - 01 Apr	Gulf Air
10 Mar - 25 Mar	Gulf Air
18 Mar - 15 Apr	SWISS
18 Mar - 04 Apr	Gulf Air
18 Mar - 11 Apr	SWISS
08 Mar - 19 Mar	Etihad Airways
18 Mar - 12 Apr	SWISS
14 Mar - 04 Apr	Gulf Air
19 Mar - 05 Apr	British Airways
11 Mar - 06 Apr	British Airways
14 Mar - 06 Apr	British Airways
18 Mar - 08 Apr	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 $479

Return flights