Cheapest return flights from Colombo to Kathmandu in April from $446

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 April 2025 (see full year).

Return flights

30 Apr - 10 May Air India
24 Apr - 01 May Air India
21 Apr - 04 May Air India
21 Apr - 28 Apr Air India
28 Apr - 07 May Air India
25 Apr - 02 May IndiGo
25 Apr - 01 May IndiGo
28 Apr - 07 May SriLankan Airlines direct
24 Apr - 01 May SriLankan Airlines direct
24 Apr - 27 Apr IndiGo
24 Apr - 27 Apr SriLankan Airlines direct
24 Apr - 30 Apr SriLankan Airlines direct

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

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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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