Cheapest one-way flights from Colombo to Kathmandu in May from $204

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

One-Way flights

14 May Air India
07 May Air India
05 May AirAsia
17 May AirAsia
21 May Air India
04 May Air India
25 May Air India
04 May SriLankan Airlines direct
25 May SriLankan Airlines direct
07 May SriLankan Airlines direct

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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