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

Return flights

15 Oct - 15 Nov	PIA
07 Oct - 13 Oct	Fly Jinnah
01 Oct - 24 Nov	PIA
06 Oct - 14 Oct	PIA
01 Oct - 10 Oct	Fly Jinnah
06 Oct - 12 Oct	PIA
18 Oct - 11 Nov	PIA
02 Oct - 22 Oct	Fly Jinnah
06 Oct - 17 Oct	PIA
05 Oct - 08 Oct	Jazeera Airways
12 Oct - 31 Oct	PIA
10 Oct - 13 Oct	Fly Jinnah
18 Oct - 10 Nov	PIA
07 Oct - 10 Oct	Fly Jinnah
13 Oct - 30 Nov	Fly Jinnah
25 Oct - 11 Nov	Fly Jinnah
01 Oct - 02 Nov	PIA
20 Oct - 02 Nov	Fly Jinnah
30 Oct - 15 Nov	Jazeera Airways
30 Oct - 30 Nov	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 512€

Return flights