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

Return flights

23 Aug - 14 Sep	Gulf Air
28 Aug - 28 Sep	Gulf Air
24 Aug - 21 Sep	Gulf Air
30 Aug - 20 Sep	Etihad Airways
31 Aug - 20 Sep	Etihad Airways
30 Aug - 26 Sep	Etihad Airways
29 Aug - 17 Sep	Etihad Airways
31 Aug - 19 Sep	Etihad Airways
16 Aug - 16 Sep	Etihad Airways
30 Aug - 18 Sep	Etihad Airways
12 Aug - 19 Aug	Saudia
11 Aug - 18 Aug	Saudia
13 Aug - 19 Aug	Saudia
16 Aug - 17 Aug	Saudia
10 Aug - 20 Aug	KLM
14 Aug - 20 Aug	KLM
02 Aug - 15 Aug	KLM
14 Aug - 18 Aug	Saudia
03 Aug - 19 Aug	Air Serbia
05 Aug - 12 Aug	Virgin Atlantic

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 590€

Return flights