AirHint found the following cheapest one-way flights from Islamabad (ISB) to Washington (IAD) in April 2026 (see full year).
One-Way flights
| 27 Apr | PIA | ||
| 30 Apr | PIA | ||
| 19 Apr | Etihad Airways | ||
| 24 Apr | Etihad Airways | ||
| 13 Apr | Fly Jinnah | ||
| 14 Apr | Fly Jinnah | ||
| 07 Apr | Emirates | ||
| 08 Apr | Fly Jinnah | ||
| 11 Apr | Emirates | ||
| 06 Apr | Etihad Airways |
Also check the deals for return flights from Islamabad to Washington in April.
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