Cheapest one-way flights from Colombo to Kathmandu in September from 172€

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

One-Way flights

26 Sep Air India
27 Sep Air India
24 Sep Air India
14 Sep Air India
28 Sep Air India
25 Sep Air India
14 Sep SriLankan Airlines direct
28 Sep SriLankan Airlines direct
27 Sep SriLankan Airlines direct
24 Sep SriLankan Airlines direct

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

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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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