Cheapest return flights from London to Islamabad in September from $665

Best time to book flights for London (LGW) to Islamabad (ISB) flights at AirHint

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

Return flights

10 Sep - 30 Sep Turkish Airlines
04 Sep - 26 Sep Turkish Airlines
30 Sep - 07 Oct Turkish Airlines
05 Sep - 03 Oct Turkish Airlines
03 Sep - 03 Oct Turkish Airlines
18 Sep - 02 Oct Turkish Airlines
26 Sep - 10 Oct Turkish Airlines
23 Sep - 08 Oct Turkish Airlines
24 Sep - 09 Oct Turkish Airlines
16 Sep - 14 Oct Turkish Airlines
01 Sep - 02 Oct Turkish Airlines
12 Sep - 23 Sep Turkish Airlines
16 Sep - 30 Sep Turkish Airlines
17 Sep - 30 Sep Turkish Airlines
11 Sep - 23 Sep Turkish Airlines
09 Sep - 23 Sep Turkish Airlines
03 Sep - 30 Sep Turkish Airlines
17 Sep - 25 Sep Turkish Airlines
24 Sep - 14 Oct Turkish Airlines
03 Sep - 27 Sep Turkish 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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