AirHint found the following cheapest return flights from Islamabad (ISB) to Kathmandu (KTM) in April 2026 (see full year).
Return flights
| 02 Apr - 09 Apr | Fly Jinnah | ||
| 02 Apr - 07 Apr | Fly Jinnah | ||
| 06 Apr - 13 Apr | flydubai | ||
| 11 Apr - 20 Apr | flydubai | ||
| 07 Apr - 16 Apr | flydubai | ||
| 01 Apr - 15 Apr | flydubai |
Also check the deals for one-way flights from Islamabad to Kathmandu in April.
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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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