AirHint found the following cheapest one-way flights from Islamabad (ISB) to London (STN) in April 2026 (see full year).
One-Way flights
| 20 Apr | PIA | ||
| 02 Apr | PIA | ||
| 27 Apr | PIA | ||
| 22 Apr | Fly Jinnah | ||
| 26 Apr | PIA | ||
| 29 Apr | Fly Jinnah | ||
| 24 Apr | PIA | ||
| 28 Apr | Fly Jinnah | ||
| 01 Apr | Fly Jinnah | ||
| 14 Apr | Airblue |
Also check the deals for return flights from Islamabad to London in April.
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