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

Return flights

03 Aug - 29 Aug	AZAL
10 Aug - 19 Aug	AZAL
07 Aug - 27 Aug	PIA
07 Aug - 10 Sep	PIA
03 Aug - 14 Aug	AZAL
01 Aug - 01 Sep	Qatar Airways
03 Aug - 21 Aug	AZAL
03 Aug - 31 Aug	AZAL
10 Aug - 17 Aug	AZAL
03 Aug - 17 Aug	AZAL
03 Aug - 08 Aug	AZAL
05 Aug - 29 Aug	Qatar Airways
12 Aug - 26 Sep	Qatar Airways
02 Aug - 01 Sep	British Airways
09 Aug - 01 Sep	Emirates
09 Aug - 15 Sep	Emirates
09 Aug - 08 Sep	Emirates
13 Aug - 01 Sep	Qatar Airways
27 Aug - 08 Sep	Fly Jinnah
12 Aug - 12 Sep	Qatar Airways

Also check the deals for one-way flights from Islamabad to London in August.

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Islamabad to London in August from 452€

Return flights