AirHint found the following cheapest return flights from Islamabad (ISB) to Kathmandu (KTM) in January 2026 (see full year).
Return flights
| 20 Jan - 25 Jan | PIA | ||
| 19 Jan - 25 Jan | PIA | ||
| 09 Jan - 16 Jan | flydubai | ||
| 23 Jan - 26 Jan | flydubai | ||
| 29 Jan - 01 Feb | flydubai | ||
| 12 Jan - 12 Jan | Qatar Airways |
Also check the deals for one-way flights from Islamabad to Kathmandu in January.
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