Cheapest return flights from London to Islamabad in September from $563

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

Return flights

15 Sep - 27 Oct Wizz Air UK
30 Sep - 08 Oct Pegasus Airlines
22 Sep - 03 Oct Wizz Air UK
19 Sep - 24 Sep Pegasus Airlines
03 Sep - 11 Sep Pegasus Airlines
04 Sep - 18 Sep Pegasus Airlines
03 Sep - 05 Oct Pegasus Airlines
03 Sep - 17 Sep Pegasus Airlines
21 Sep - 29 Sep Gulf Air
01 Sep - 17 Sep AJet
03 Sep - 13 Sep Pegasus Airlines
12 Sep - 30 Sep Pegasus Airlines
04 Sep - 25 Sep Pegasus Airlines
19 Sep - 26 Sep Pegasus Airlines
30 Sep - 09 Oct Pegasus Airlines
18 Sep - 08 Oct Pegasus Airlines
18 Sep - 07 Oct Pegasus Airlines
12 Sep - 09 Oct Pegasus Airlines
12 Sep - 07 Oct Pegasus Airlines
14 Sep - 05 Oct Pegasus Airlines

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

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