Cheapest one-way flights from Kathmandu to Singapore in December from 177€

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

One-Way flights

12 Dec Thai AirAsia
11 Dec Air India Express
07 Dec Thai AirAsia
19 Dec Thai AirAsia
15 Dec Thai Lion Air
19 Dec Singapore Airlines direct
15 Dec Singapore Airlines direct
11 Dec Singapore Airlines direct
12 Dec Singapore Airlines direct
07 Dec Singapore Airlines direct

Also check the deals for return flights from Kathmandu to Singapore 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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