AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in November 2025 (see full year).

Return flights

01 Nov - 21 Dec	SriLankan Airlines
17 Nov - 23 Nov	Air India
05 Nov - 12 Nov	Air India
22 Nov - 29 Nov	Air India
13 Nov - 22 Nov	Thai AirAsia
23 Nov - 30 Nov	SriLankan Airlines
22 Nov - 30 Nov	Air India
02 Nov - 07 Nov	Thai AirAsia
21 Nov - 01 Dec	IndiGo
14 Nov - 17 Nov	Air India
29 Nov - 10 Dec	Thai AirAsia
01 Nov - 07 Nov	Thai AirAsia
22 Nov - 05 Dec	Thai Airways
23 Nov - 29 Nov	Air India
24 Nov - 21 Dec	Thai Airways
29 Nov - 16 Dec	IndiGo
28 Nov - 06 Dec	China Southern
24 Nov - 21 Dec	Singapore Airlines	direct
29 Nov - 10 Dec	Singapore Airlines	direct
21 Nov - 01 Dec	Singapore Airlines	direct

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

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 November from 329€

Return flights