Cheapest return flights from London to Islamabad in September from $682

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

Return flights

01 Sep - 01 Oct Qatar Airways
01 Sep - 20 Sep Qatar Airways
28 Sep - 17 Oct Qatar Airways
04 Sep - 15 Oct Qatar Airways
18 Sep - 15 Oct Qatar Airways
23 Sep - 15 Oct Qatar Airways
24 Sep - 03 Oct Qatar Airways
03 Sep - 03 Oct British Airways
07 Sep - 20 Sep British Airways
05 Sep - 16 Oct Qatar Airways
25 Sep - 17 Oct Qatar Airways
04 Sep - 13 Oct Qatar Airways
09 Sep - 22 Sep British Airways
04 Sep - 19 Sep British Airways
05 Sep - 20 Sep British Airways
22 Sep - 27 Sep British Airways
01 Sep - 30 Sep British Airways
16 Sep - 30 Sep British Airways
01 Sep - 23 Sep British Airways
01 Sep - 08 Sep British Airways

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

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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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