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

Return flights

04 Mar - 11 Mar	Air India
24 Mar - 08 Apr	Scoot
28 Mar - 19 Apr	Air India
26 Mar - 09 Apr	Air India
05 Mar - 01 Apr	IndiGo
06 Mar - 01 Apr	IndiGo
17 Mar - 27 Mar	IndiGo
19 Mar - 23 Mar	IndiGo
02 Mar - 24 Mar	Air India
20 Mar - 31 Mar	Air India
19 Mar - 22 Mar	Air India
20 Mar - 22 Mar	Air India
13 Mar - 21 Mar	Air India
04 Mar - 11 Mar	Singapore Airlines	direct
19 Mar - 22 Mar	Singapore Airlines	direct
24 Mar - 08 Apr	Singapore Airlines	direct
26 Mar - 09 Apr	Singapore Airlines	direct
28 Mar - 19 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 309€

Return flights