Cheapest return flights from Colombo to Kathmandu in June from $432

Best time to book flights for Colombo (CMB) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest return flights from Colombo (CMB) to Kathmandu (KTM) in June 2025 (see full year).

Return flights

07 Jun - 15 Jun Air India
16 Jun - 22 Jun Air India
08 Jun - 16 Jun Air India
16 Jun - 22 Jun SriLankan Airlines direct
08 Jun - 16 Jun SriLankan Airlines direct

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

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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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