Cheapest return flights from Colombo to Kathmandu in January from $399

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

Return flights

24 Jan - 31 Jan Air India
12 Jan - 18 Jan Air India
14 Jan - 19 Jan Air India
25 Jan - 01 Feb Air India
26 Jan - 04 Feb IndiGo
10 Jan - 16 Jan Air India
12 Jan - 26 Jan Air India
01 Jan - 14 Jan Air India
17 Jan - 22 Jan Air India
15 Jan - 20 Jan Air India
11 Jan - 14 Jan Air India
08 Jan - 11 Jan Air India
26 Jan - 04 Feb SriLankan Airlines direct
25 Jan - 01 Feb SriLankan Airlines direct

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

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