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

Return flights

15 Mar - 01 Apr	SriLankan Airlines
25 Mar - 01 Apr	SriLankan Airlines
19 Mar - 23 Mar	Cathay Pacific
16 Mar - 23 Mar	Cathay Pacific
25 Mar - 03 Apr	Cathay Pacific
25 Mar - 03 Apr	Singapore Airlines	direct
25 Mar - 01 Apr	Singapore Airlines	direct
15 Mar - 01 Apr	Singapore Airlines	direct
19 Mar - 23 Mar	Singapore Airlines	direct
16 Mar - 23 Mar	Singapore Airlines	direct

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

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 Singapore to Kathmandu in March from 326€

Return flights