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

Return flights

01 Oct - 08 Oct	Brussels Airlines
10 Oct - 20 Oct	SWISS
09 Oct - 18 Oct	British Airways
09 Oct - 22 Oct	British Airways
04 Oct - 18 Oct	SWISS
07 Oct - 15 Oct	SWISS
10 Oct - 17 Oct	SWISS
15 Oct - 22 Oct	SWISS
04 Oct - 24 Oct	SWISS
03 Oct - 08 Oct	Eurowings
01 Oct - 26 Nov	Brussels Airlines
03 Oct - 28 Nov	SWISS
23 Oct - 24 Nov	Vueling Airlines
01 Oct - 09 Nov	Brussels Airlines
02 Oct - 09 Nov	Brussels Airlines
09 Oct - 26 Nov	SWISS
05 Oct - 05 Nov	SWISS
23 Oct - 04 Nov	British Airways
20 Oct - 05 Nov	British Airways
23 Oct - 07 Nov	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 294€

Return flights