Cheapest one-way flights from Islamabad to Kathmandu in May from $378

Best time to book flights for Islamabad (ISB) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest one-way flights from Islamabad (ISB) to Kathmandu (KTM) in May 2025 (see full year).

One-Way flights

02 May SalamAir
16 May SalamAir
17 May SalamAir

Also check the deals for return flights from Islamabad to Kathmandu in May.

Skyscanner

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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