AirHint found the following cheapest return flights from Islamabad (ISB) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 11 Dec - 11 Jan | Emirates | ||
| 26 Dec - 06 Jan | Fly Jinnah | ||
| 12 Dec - 06 Jan | Qatar Airways | ||
| 24 Dec - 29 Dec | PIA | ||
| 25 Dec - 29 Dec | Qatar Airways |
Also check the deals for one-way 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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