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

Return flights

12 Oct - 18 Oct	AZAL
02 Oct - 10 Oct	AZAL
05 Oct - 07 Oct	AZAL
02 Oct - 09 Nov	AZAL
30 Oct - 16 Nov	AZAL
14 Oct - 30 Oct	Flynas
30 Oct - 06 Nov	AZAL
26 Oct - 02 Nov	AZAL
09 Oct - 15 Oct	AZAL
05 Oct - 18 Oct	AZAL
14 Oct - 21 Oct	Flynas
19 Oct - 12 Nov	AZAL
14 Oct - 28 Oct	Gulf Air
13 Oct - 31 Oct	Flynas
23 Oct - 03 Nov	AZAL
09 Oct - 27 Oct	AZAL
05 Oct - 05 Nov	AZAL
09 Oct - 10 Nov	AZAL
30 Oct - 13 Nov	AZAL
07 Oct - 18 Nov	Gulf Air

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 410€

Return flights