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

Return flights

01 Oct - 28 Oct	Eurowings
27 Oct - 10 Nov	Eurowings
16 Oct - 30 Oct	Eurowings
27 Oct - 27 Nov	Eurowings
23 Oct - 30 Oct	Eurowings
23 Oct - 29 Oct	Eurowings
23 Oct - 13 Nov	Eurowings
26 Oct - 31 Oct	Aegean Airlines
28 Oct - 25 Nov	British Airways
27 Oct - 31 Oct	Aegean Airlines
28 Oct - 27 Nov	British Airways
26 Oct - 26 Nov	British Airways
17 Oct - 30 Oct	Eurowings
31 Oct - 16 Nov	British Airways
09 Oct - 23 Oct	Scandinavian Airlines
21 Oct - 27 Oct	SWISS
21 Oct - 11 Nov	Eurowings
31 Oct - 20 Nov	Eurowings
15 Oct - 29 Oct	Eurowings
10 Oct - 01 Nov	SWISS

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 $518

Return flights