AirHint found the following cheapest one-way flights from London (LHR) to Islamabad (ISB) in September 2026 (see full year).
One-Way flights
| 10 Sep | Gulf Air | ||
| 14 Sep | Gulf Air | ||
| 07 Sep | Gulf Air | ||
| 02 Sep | Gulf Air | ||
| 05 Sep | KLM | ||
| 04 Sep | KLM | ||
| 12 Sep | KLM | ||
| 03 Sep | Eurowings | ||
| 01 Sep | Etihad Airways | ||
| 14 Sep | PIA | direct |
Also check the deals for return flights from London to Islamabad in September.
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