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

Return flights

10 Mar - 17 Mar	Scoot
19 Mar - 07 Apr	IndiGo
23 Mar - 30 Mar	IndiGo
04 Mar - 22 Mar	SriLankan Airlines
02 Mar - 09 Mar	Air India
18 Mar - 25 Mar	IndiGo
13 Mar - 22 Mar	Air India
13 Mar - 20 Mar	Air India
29 Mar - 09 Apr	SriLankan Airlines
23 Mar - 01 Apr	Air India
10 Mar - 28 Mar	Air India
14 Mar - 28 Mar	Air India
14 Mar - 27 Mar	Air India
23 Mar - 01 Apr	Singapore Airlines	direct
29 Mar - 09 Apr	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 289€

Return flights