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

Return flights

10 Nov - 15 Nov	Thai Lion Air
12 Nov - 16 Nov	Scoot
13 Nov - 17 Nov	Scoot
07 Nov - 13 Nov	Air India
06 Nov - 10 Nov	Thai Lion Air
02 Nov - 09 Nov	Scoot
07 Nov - 10 Nov	Scoot
13 Nov - 23 Nov	Thai AirAsia
09 Nov - 19 Nov	China Southern
08 Nov - 19 Nov	China Southern
27 Nov - 04 Dec	Thai Airways
18 Nov - 04 Dec	Thai Airways
28 Nov - 05 Dec	Thai Airways
28 Nov - 06 Dec	Thai Airways
28 Nov - 01 Dec	Thai Airways
22 Nov - 08 Dec	Thai Airways
12 Nov - 31 Dec	Thai Airways
01 Nov - 18 Dec	China Southern
22 Nov - 13 Dec	China Southern
28 Nov - 06 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 331€

Return flights