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

Return flights

16 Oct - 13 Nov	AZAL
09 Oct - 16 Oct	AZAL
23 Oct - 30 Oct	AZAL
19 Oct - 26 Oct	AZAL
19 Oct - 28 Oct	AZAL
23 Oct - 10 Nov	AZAL
18 Oct - 04 Nov	Flynas
13 Oct - 16 Oct	Fly Jinnah
02 Oct - 22 Oct	AZAL
02 Oct - 09 Oct	AZAL
18 Oct - 01 Nov	Etihad Airways
30 Oct - 06 Nov	AZAL
13 Oct - 31 Oct	Fly Jinnah
19 Oct - 30 Oct	AZAL
03 Oct - 30 Oct	Fly Jinnah
29 Oct - 05 Nov	Fly Jinnah
28 Oct - 20 Nov	Etihad Airways
18 Oct - 14 Nov	Etihad Airways
16 Oct - 26 Nov	AZAL
23 Oct - 30 Nov	AZAL

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 $469

Return flights