Cheapest one-way flights from Singapore to Kathmandu in December from $232

Best time to book flights for Singapore (SIN) to Kathmandu (KTM) flights at AirHint

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

One-Way flights

03 Dec SriLankan Airlines
19 Dec Air India
06 Dec Air India
02 Dec Thai AirAsia
15 Dec Singapore Airlines direct
03 Dec Singapore Airlines direct
19 Dec Singapore Airlines direct
06 Dec Singapore Airlines direct

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

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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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