Cheapest return flights from London to Islamabad in September from $614

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

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

Return flights

02 Sep - 24 Sep Pegasus Airlines
01 Sep - 10 Oct AJet
04 Sep - 26 Sep Pegasus Airlines
03 Sep - 03 Oct Turkish Airlines
10 Sep - 30 Sep Turkish Airlines
03 Sep - 07 Oct Turkish Airlines
03 Sep - 16 Sep Ryanair
03 Sep - 25 Sep Turkish Airlines
05 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
19 Sep - 07 Oct Turkish Airlines
17 Sep - 07 Oct Turkish Airlines
05 Sep - 23 Sep Turkish Airlines
02 Sep - 30 Sep Turkish Airlines
17 Sep - 30 Sep Turkish Airlines
11 Sep - 23 Sep Turkish Airlines
09 Sep - 23 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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