Cheapest return flights from Islamabad to London in September from $661

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

Return flights

26 Sep - 30 Sep Etihad Airways
25 Sep - 30 Sep Etihad Airways
16 Sep - 07 Oct Fly Jinnah
30 Sep - 28 Oct Etihad Airways
17 Sep - 30 Sep Etihad Airways
12 Sep - 27 Sep Etihad Airways
17 Sep - 08 Oct Etihad Airways
18 Sep - 30 Sep Etihad Airways
18 Sep - 31 Oct Etihad Airways
20 Sep - 06 Oct Etihad Airways
30 Sep - 06 Oct Etihad Airways
24 Sep - 01 Oct Etihad Airways
09 Sep - 23 Sep Etihad Airways
07 Sep - 11 Oct Etihad Airways
17 Sep - 30 Oct Etihad Airways
09 Sep - 09 Oct Etihad Airways
14 Sep - 17 Sep Etihad Airways
18 Sep - 27 Sep Etihad Airways
16 Sep - 24 Sep Emirates
16 Sep - 19 Sep Emirates

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

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.