Cheapest one-way flights from Singapore to Kathmandu in December from $216

AirHint found the following cheapest one-way flights from Singapore (SIN) to Kathmandu (KTM) in December 2025 (see full year).

One-Way flights

08 Dec Thai Lion Air
25 Dec Singapore Airlines direct
20 Dec Singapore Airlines direct
04 Dec Thai AirAsia
12 Dec Thai Airways
24 Dec Thai Airways
12 Dec Singapore Airlines direct
24 Dec Singapore Airlines direct
08 Dec Singapore Airlines direct
19 Dec Singapore Airlines direct

Also check the deals for return flights from Singapore to Kathmandu in December.

Skyscanner

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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