Cheapest return flights from Colombo to Kathmandu in September from 471€

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

Return flights

24 Sep - 27 Sep Air India
24 Sep - 27 Sep SriLankan Airlines direct

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

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