Cheapest one-way flights from Colombo to Kathmandu in October from $280

Best time to book flights for Colombo (CMB) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest one-way flights from Colombo (CMB) to Kathmandu (KTM) in October 2025 (see full year).

One-Way flights

20 Oct SriLankan Airlines
20 Oct SriLankan Airlines direct
30 Oct Thai AirAsia
30 Oct SriLankan Airlines direct

Also check the deals for return flights from Colombo to Kathmandu in October.

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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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