Cheapest one-way flights from London to Islamabad in September from $398

AirHint found the following cheapest one-way flights from London (LHR) to Islamabad (ISB) in September 2026 (see full year).

One-Way flights

27 Sep KLM
05 Sep KLM
02 Sep KLM
30 Sep Eurowings
21 Sep Gulf Air
29 Sep Aegean Airlines
09 Sep Gulf Air
28 Sep Gulf Air
20 Sep Gulf Air
23 Sep Gulf Air

Also check the deals for return flights from London to Islamabad in September.

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