AirHint found the following cheapest one-way flights from Newburgh (SWF) to Islamabad (ISB) in December 2025 (see full year).
One-Way flights
| 23 Dec | Breeze Airways | ||
| 22 Dec | Allegiant Air | ||
| 21 Dec | Breeze Airways | ||
| 19 Dec | Allegiant Air |
Also check the deals for return flights from Newburgh to Islamabad in December.
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