AirHint found the following cheapest return flights from London (LGW) to Islamabad (ISB) in August 2026 (see full year).

Return flights

31 Aug - 14 Sep	Wizz Air UK
20 Aug - 29 Sep	Qatar Airways
11 Aug - 07 Sep	Wizz Air UK
10 Aug - 07 Sep	Wizz Air UK
17 Aug - 26 Sep	Qatar Airways
25 Aug - 08 Sep	Air Arabia
26 Aug - 08 Sep	Air Arabia
18 Aug - 15 Sep	Qatar Airways
18 Aug - 08 Sep	British Airways
09 Aug - 06 Sep	Wizz Air UK
05 Aug - 11 Aug	British Airways
12 Aug - 31 Aug	Wizz Air UK
10 Aug - 23 Aug	Wizz Air UK
02 Aug - 17 Aug	Wizz Air UK
11 Aug - 19 Aug	Wizz Air UK
03 Aug - 13 Aug	Qatar Airways
11 Aug - 23 Aug	Wizz Air UK
05 Aug - 21 Aug	Wizz Air UK
05 Aug - 18 Aug	Wizz Air UK
03 Aug - 25 Aug	Wizz Air UK

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

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Cheapest return flights from London to Islamabad in August from 564€

Return flights