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

Return flights

12 Oct - 04 Nov	British Airways
14 Oct - 11 Nov	British Airways
28 Oct - 29 Nov	British Airways
14 Oct - 20 Nov	Eurowings
19 Oct - 07 Nov	British Airways
25 Oct - 29 Nov	British Airways
14 Oct - 14 Nov	British Airways
16 Oct - 04 Nov	Eurowings
06 Oct - 13 Oct	Aegean Airlines
06 Oct - 12 Oct	Aegean Airlines
06 Oct - 15 Oct	SWISS
02 Oct - 25 Nov	Eurowings
07 Oct - 19 Oct	British Airways
12 Oct - 19 Oct	British Airways
16 Oct - 30 Oct	SWISS
20 Oct - 03 Nov	SWISS
19 Oct - 31 Oct	Eurowings
11 Oct - 18 Oct	SWISS
10 Oct - 13 Oct	British Airways
14 Oct - 29 Oct	British Airways

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

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 October from 418€

Return flights