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

Return flights

10 Feb - 26 Feb	Air India
09 Feb - 25 Feb	Air India
10 Feb - 25 Feb	Air India
10 Feb - 27 Feb	Air India
09 Feb - 01 Mar	Air India
10 Feb - 28 Feb	Air India
10 Feb - 01 Mar	Air India
10 Feb - 02 Mar	Air India
11 Feb - 26 Feb	Air India
11 Feb - 02 Mar	Air India
09 Feb - 25 Feb	SriLankan Airlines	direct
11 Feb - 26 Feb	SriLankan Airlines	direct
11 Feb - 02 Mar	SriLankan Airlines	direct
09 Feb - 01 Mar	SriLankan Airlines	direct
09 Feb - 02 Mar	SriLankan Airlines	direct

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

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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Cheapest return flights from Kathmandu to Colombo in February from 391€

Return flights