AirHint found the following cheapest return flights from Islamabad (ISB) to Sofia (SOF) in November 2025 (see full year).
Return flights
| 20 Nov - 27 Nov | Fly Jinnah | ||
| 10 Nov - 14 Nov | flydubai | ||
| 02 Nov - 09 Nov | flydubai |
Also check the deals for one-way flights from Islamabad to Sofia in November.
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