Cheapest return flights from Colombo to Kathmandu in March from $412

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

Return flights

03 Mar - 17 Mar Air India
04 Mar - 18 Mar Air India
15 Mar - 15 Apr Air India
04 Mar - 18 Mar SriLankan Airlines direct
15 Mar - 15 Apr SriLankan Airlines direct
15 Mar - 15 Mar Air India

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

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