AirHint found the following cheapest return flights from Islamabad (ISB) to London (LTN) in October 2025 (see full year).

Return flights

27 Oct - 18 Nov	Fly Jinnah
27 Oct - 11 Nov	Fly Jinnah
27 Oct - 08 Nov	Fly Jinnah
27 Oct - 10 Nov	PIA
30 Oct - 24 Nov	Etihad Airways
26 Oct - 10 Nov	PIA
25 Oct - 21 Nov	PIA
24 Oct - 06 Nov	PIA
27 Oct - 09 Nov	Fly Jinnah
24 Oct - 07 Nov	PIA
24 Oct - 30 Oct	PIA
27 Oct - 30 Oct	PIA
26 Oct - 27 Oct	PIA
24 Oct - 31 Oct	PIA
28 Oct - 31 Oct	Fly Jinnah
26 Oct - 28 Oct	PIA
25 Oct - 31 Oct	PIA
27 Oct - 29 Oct	PIA
24 Oct - 28 Oct	PIA
26 Oct - 31 Oct	Jazeera Airways

Also check the deals for one-way flights from Islamabad to London 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 Islamabad to London in October from 510€

Return flights