AirHint found the following cheapest one-way flights from Islamabad (ISB) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 10 Dec | Fly Jinnah | ||
| 13 Dec | Fly Jinnah | ||
| 14 Dec | Fly Jinnah | ||
| 15 Dec | Fly Jinnah | ||
| 28 Dec | SalamAir | ||
| 31 Dec | PIA | ||
| 20 Dec | Fly Jinnah | ||
| 06 Dec | Emirates | ||
| 30 Dec | Fly Jinnah | ||
| 26 Dec | Fly Jinnah |
Also check the deals for return flights from Islamabad to Singapore in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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