Cheapest one-way flights from Colombo to Kathmandu in May from $223

AirHint found the following cheapest one-way flights from Colombo (CMB) to Kathmandu (KTM) in May 2026 (see full year).

One-Way flights

10 May Air India
17 May Thai AirAsia
20 May SriLankan Airlines direct
10 May SriLankan Airlines direct
17 May SriLankan Airlines direct
13 May flydubai
02 May flydubai
03 May flydubai
05 May flydubai
12 May flydubai

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

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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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