AirHint found the following cheapest one-way flights from London (LHR) to Islamabad (ISB) in December 2025 (see full year).
One-Way flights
| 30 Dec | Turkish Airlines | ||
| 31 Dec | Turkish Airlines | ||
| 29 Dec | Turkish Airlines | ||
| 28 Dec | Turkish Airlines | ||
| 27 Dec | AZAL |
Also check the deals for return flights from London to Islamabad in December.
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