AirHint found the following cheapest one-way flights from Islamabad (ISB) to Lisbon (LIS) in September 2025 (see full year).
One-Way flights
| 30 Sep | Serene Air | ||
| 14 Sep | Serene Air | ||
| 28 Sep | Serene Air | ||
| 22 Sep | Fly Jinnah | ||
| 08 Sep | Fly Jinnah | ||
| 09 Sep | Serene Air | ||
| 21 Sep | Serene Air | ||
| 23 Sep | Serene Air | ||
| 27 Sep | Fly Jinnah | ||
| 18 Sep | AZAL |
Also check the deals for return flights from Islamabad to Lisbon in September.
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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