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

Return flights

10 Oct - 25 Nov	SWISS
23 Oct - 13 Nov	Eurowings
25 Oct - 11 Nov	Aegean Airlines
23 Oct - 16 Nov	Eurowings
06 Oct - 28 Oct	SWISS
25 Oct - 16 Nov	Aegean Airlines
23 Oct - 07 Nov	Eurowings
10 Oct - 14 Oct	SWISS
25 Oct - 29 Oct	Aegean Airlines
27 Oct - 11 Nov	Eurowings
22 Oct - 06 Nov	Eurowings
23 Oct - 29 Oct	Eurowings
24 Oct - 28 Oct	SWISS
10 Oct - 21 Oct	SWISS
23 Oct - 08 Nov	Eurowings
04 Oct - 18 Oct	Saudia
03 Oct - 17 Oct	Saudia
07 Oct - 13 Oct	Saudia
12 Oct - 22 Oct	Saudia
24 Oct - 07 Nov	Eurowings

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 442€

Return flights