Cheapest return flights from Colombo to Kathmandu in January from $419

AirHint found the following cheapest return flights from Colombo (CMB) to Kathmandu (KTM) in January 2026 (see full year).

Return flights

21 Jan - 26 Jan Air India
21 Jan - 26 Jan SriLankan Airlines direct
18 Jan - 23 Jan Air India

Also check the deals for one-way flights from Colombo to Kathmandu in January.

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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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