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

Return flights

11 Oct - 20 Oct	Flynas
11 Oct - 13 Oct	Flynas
21 Oct - 28 Oct	Flynas
13 Oct - 20 Oct	Fly Jinnah
10 Oct - 12 Oct	Fly Jinnah
23 Oct - 11 Nov	Gulf Air
03 Oct - 10 Oct	Gulf Air
23 Oct - 30 Oct	Gulf Air
09 Oct - 16 Oct	PIA
21 Oct - 16 Nov	Flynas
23 Oct - 04 Nov	Gulf Air
20 Oct - 30 Oct	Fly Jinnah
10 Oct - 20 Nov	flyadeal
03 Oct - 08 Oct	Fly Jinnah
18 Oct - 02 Nov	Fly Jinnah
21 Oct - 21 Nov	Turkish Airlines
20 Oct - 15 Nov	Turkish Airlines
23 Oct - 11 Nov	British Airways	direct
21 Oct - 21 Nov	British Airways	direct
21 Oct - 16 Nov	British Airways	direct

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 455€

Return flights